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href="/drill/docs/lesson-3-run-queries-on-complex-data-types/">Lesson 3: Run
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href="/drill/docs/installing-drill-on-windows/">Installing Drill on
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href="/drill/docs/installing-drill-on-the-cluster/">Installing Drill on the
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Introduction</a></li>
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href="/drill/docs/configuring-drill-memory/">Configuring Drill Memory</a></li>
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href="/drill/docs/configuring-a-multitenant-cluster-introduction/">Configuring
a Multitenant Cluster Introduction</a></li>
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href="/drill/docs/configuring-multitenant-resources/">Configuring Multitenant
Resources</a></li>
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href="/drill/docs/configuring-resources-for-a-shared-drillbit/">Configuring
Resources for a Shared Drillbit</a></li>
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href="/drill/docs/configuring-user-impersonation/">Configuring User
Impersonation</a></li>
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href="/drill/docs/configuring-user-authentication/">Configuring User
Authentication</a></li>
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href="/drill/docs/configuring-user-impersonation-with-hive-authorization/">Configuring
User Impersonation with Hive Authorization</a></li>
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href="/drill/docs/configuring-web-console-and-rest-api-security/">Configuring
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+ <li class="toctree-l2"><a href="javascript:
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Introduction</a></li>
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href="/drill/docs/start-up-options/">Start-Up Options</a></li>
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href="/drill/docs/planning-and-execution-options/">Planning and Execution
Options</a></li>
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href="/drill/docs/persistent-configuration-storage/">Persistent Configuration
Storage</a></li>
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href="/drill/docs/ports-used-by-drill/">Ports Used by Drill</a></li>
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+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/configuring-the-drill-shell/">Configuring the Drill
Shell</a></li>
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+ </ul>
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+
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+ <li class="toctree-l1"><a href="javascript: void(0);">Connect a Data
Source</a></li>
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+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/connect-a-data-source-introduction/">Connect a Data Source
Introduction</a></li>
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href="/drill/docs/storage-plugin-registration/">Storage Plugin
Registration</a></li>
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+ <li class="toctree-l2"><a href="javascript: void(0);">Storage
Plugin Configuration</a></li>
+ <ul style="display: none">
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+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/plugin-configuration-basics/">Plugin Configuration
Basics</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/workspaces/">Workspaces</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/drill-default-input-format/">Drill Default Input
Format</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/file-system-storage-plugin/">File System Storage
Plugin</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/hbase-storage-plugin/">HBase Storage Plugin</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/hive-storage-plugin/">Hive Storage Plugin</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/rdbms-storage-plugin/">RDBMS Storage Plugin</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/mongodb-storage-plugin/">MongoDB Storage Plugin</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/mapr-db-format/">MapR-DB Format</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/s3-storage-plugin/">S3 Storage Plugin</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">ODBC/JDBC
Interfaces</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/interfaces-introduction/">Interfaces Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/using-the-jdbc-driver/">Using the JDBC Driver</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/using-jdbc-with-squirrel-on-windows/">Using JDBC with
SQuirreL on Windows</a></li>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Installing
the ODBC Driver</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/installing-the-driver-on-linux/">Installing the Driver on
Linux</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/installing-the-driver-on-mac-os-x/">Installing the Driver on
Mac OS X</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/installing-the-driver-on-windows/">Installing the Driver on
Windows</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/installing-the-tdc-file-on-windows/">Installing the TDC File
on Windows</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript:
void(0);">Configuring ODBC</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/odbc-configuration-reference/">ODBC Configuration
Reference</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/configuring-odbc-on-linux/">Configuring ODBC on Linux</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/configuring-odbc-on-mac-os-x/">Configuring ODBC on Mac OS
X</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/configuring-odbc-on-windows/">Configuring ODBC on
Windows</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/testing-the-odbc-connection/">Testing the ODBC
Connection</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Using
Drill Explorer</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/drill-explorer-introduction/">Drill Explorer
Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/connecting-drill-explorer-to-data/">Connecting Drill Explorer
to Data</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/browsing-data-and-defining-views/">Browsing Data and Defining
Views</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Using
Drill with BI Tools</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/using-drill-with-bi-tools-introduction/">Using Drill with BI
Tools Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/tableau-examples/">Tableau Examples</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/using-microstrategy-analytics-with-apache-drill/">Using
MicroStrategy Analytics with Apache Drill</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/using-tibco-spotfire-desktop-with-drill/">Using Tibco
Spotfire Desktop with Drill</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/configuring-tibco-spotfire-server-with-drill/">Configuring
Tibco Spotfire Server with Drill</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/using-qlik-sense-with-drill/">Using Qlik Sense with
Drill</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/using-apache-drill-with-tableau-9-desktop/">Using Apache
Drill with Tableau 9 Desktop</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/using-apache-drill-with-tableau-9-server/">Using Apache Drill
with Tableau 9 Server</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/configuring-jreport-with-drill/">Configuring JReport with
Drill</a></li>
+
+ </ul>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Query
Data</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/query-data-introduction/">Query Data Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Querying a
File System</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/querying-a-file-system-introduction/">Querying a File System
Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/querying-json-files/">Querying JSON Files</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/querying-parquet-files/">Querying Parquet Files</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/querying-plain-text-files/">Querying Plain Text Files</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/querying-directories/">Querying Directories</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/querying-sequence-files/">Querying Sequence Files</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/querying-hbase/">Querying HBase</a></li>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Querying
Complex Data</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/querying-complex-data-introduction/">Querying Complex Data
Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/sample-data-donuts/">Sample Data: Donuts</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/selecting-flat-data/">Selecting Flat Data</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/using-sql-functions-clauses-and-joins/">Using SQL Functions,
Clauses, and Joins</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/selecting-nested-data-for-a-column/">Selecting Nested Data
for a Column</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/selecting-multiple-columns-within-nested-data/">Selecting
Multiple Columns Within Nested Data</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/querying-hive/">Querying Hive</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/querying-the-information-schema/">Querying the INFORMATION
SCHEMA</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/querying-system-tables/">Querying System Tables</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/monitoring-and-canceling-queries-in-the-drill-web-console/">Monitoring
and Canceling Queries in the Drill Web Console</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Performance
Tuning</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/performance-tuning-introduction/">Performance Tuning
Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/partition-pruning/">Partition Pruning</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/optimizing-parquet-metadata-reading/">Optimizing Parquet
Metadata Reading</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/choosing-a-storage-format/">Choosing a Storage Format</a></li>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Query
Plans and Tuning</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/query-plans-and-tuning-introduction/">Query Plans and Tuning
Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/join-planning-guidelines/">Join Planning Guidelines</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/guidelines-for-optimizing-aggregation/">Guidelines for
Optimizing Aggregation</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/modifying-query-planning-options/">Modifying Query Planning
Options</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/sort-based-and-hash-based-memory-constrained-operators/">Sort-Based
and Hash-Based Memory-Constrained Operators</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/enabling-query-queuing/">Enabling Query Queuing</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/controlling-parallelization-to-balance-performance-with-multi-tenancy/">Controlling
Parallelization to Balance Performance with Multi-Tenancy</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript:
void(0);">Identifying Performance Issues</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/query-plans/">Query Plans</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/query-profiles/">Query Profiles</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript:
void(0);">Performance Tuning Reference</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/query-profile-column-descriptions/">Query Profile Column
Descriptions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/physical-operators/">Physical Operators</a></li>
+
+ </ul>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Log and
Debug</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/log-and-debug-introduction/">Log and Debug
Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/error-messages/">Error Messages</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/modify-logback-xml/">Modify logback.xml</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/review-the-java-stack-trace/">Review the Java Stack
Trace</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/query-audit-logging/">Query Audit Logging</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">SQL
Reference</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/sql-reference-introduction/">SQL Reference
Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Data
Types</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/supported-data-types/">Supported Data Types</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/date-time-and-timestamp/">Date, Time, and Timestamp</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/handling-different-data-types/">Handling Different Data
Types</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/lexical-structure/">Lexical Structure</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/operators/">Operators</a></li>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">SQL
Functions</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/about-sql-function-examples/">About SQL Function
Examples</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/math-and-trig/">Math and Trig</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/data-type-conversion/">Data Type Conversion</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/date-time-functions-and-arithmetic/">Date/Time Functions and
Arithmetic</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/string-manipulation/">String Manipulation</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/aggregate-and-aggregate-statistical/">Aggregate and Aggregate
Statistical</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/functions-for-handling-nulls/">Functions for Handling
Nulls</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">SQL Window
Functions</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/sql-window-functions-introduction/">SQL Window Functions
Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/aggregate-window-functions/">Aggregate Window
Functions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/ranking-window-functions/">Ranking Window Functions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/value-window-functions/">Value Window Functions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/sql-window-functions-examples/">SQL Window Functions
Examples</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Nested
Data Functions</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/nested-data-limitations/">Nested Data Limitations</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/flatten/">FLATTEN</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/kvgen/">KVGEN</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/repeated-count/">REPEATED_COUNT</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/repeated-contains/">REPEATED_CONTAINS</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/query-directory-functions/">Query Directory Functions</a></li>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">SQL
Commands</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/supported-sql-commands/">Supported SQL Commands</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/alter-session/">ALTER SESSION</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/alter-system/">ALTER SYSTEM</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/create-table-as-ctas/">CREATE TABLE AS (CTAS)</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/partition-by-clause/">PARTITION BY Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/create-view/">CREATE VIEW</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/describe/">DESCRIBE</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/drop-table/">DROP TABLE</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/drop-view/">DROP VIEW</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/explain/">EXPLAIN</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/select/">SELECT</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/select-list/">SELECT List</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/from-clause/">FROM Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/group-by-clause/">GROUP BY Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/having-clause/">HAVING Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/limit-clause/">LIMIT Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/offset-clause/">OFFSET Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/order-by-clause/">ORDER BY Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/union-set-operator/">UNION Set Operator</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/where-clause/">WHERE Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/with-clause/">WITH Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/show-databases-and-show-schemas/">SHOW DATABASES and SHOW
SCHEMAS</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/show-files/">SHOW FILES</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/show-tables/">SHOW TABLES</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/use/">USE</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">SQL
Conditional Expressions</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/case/">CASE</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/reserved-keywords/">Reserved Keywords</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/sql-extensions/">SQL Extensions</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Data Sources
and File Formats</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/data-sources-and-file-formats-introduction/">Data Sources and
File Formats Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/hive-to-drill-data-type-mapping/">Hive-to-Drill Data Type
Mapping</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/deploying-and-using-a-hive-udf/">Deploying and Using a Hive
UDF</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/parquet-format/">Parquet Format</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/json-data-model/">JSON Data Model</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/text-files-csv-tsv-psv/">Text Files: CSV, TSV, PSV</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/sequence-files/">Sequence Files</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Develop Custom
Functions</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/develop-custom-functions-introduction/">Develop Custom
Functions Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/developing-a-simple-function/">Developing a Simple
Function</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/tutorial-develop-a-simple-function/">Tutorial: Develop a
Simple Function</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/developing-an-aggregate-function/">Developing an Aggregate
Function</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/adding-custom-functions-to-drill/">Adding Custom Functions to
Drill</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/using-custom-functions-in-queries/">Using Custom Functions in
Queries</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/custom-function-interfaces/">Custom Function
Interfaces</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a class="reference internal"
href="/drill/docs/troubleshooting/">Troubleshooting</a></li>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Developer
Information</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/rest-api/">REST API</a></li>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Develop
Drill</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/compiling-drill-from-source/">Compiling Drill from
Source</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/drill-patch-review-tool/">Drill Patch Review Tool</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Contribute
to Drill</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/apache-drill-contribution-guidelines/">Apache Drill
Contribution Guidelines</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/apache-drill-contribution-ideas/">Apache Drill Contribution
Ideas</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Design
Docs</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/drill-plan-syntax/">Drill Plan Syntax</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/rpc-overview/">RPC Overview</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/query-stages/">Query Stages</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/useful-research/">Useful Research</a></li>
+
+ <li class="toctree-l3"><a class="reference internal"
href="/drill/docs/value-vectors/">Value Vectors</a></li>
+
+ </ul>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1 current_section "><a href="javascript:
void(0);">Release Notes</a></li>
+ <ul class="current_section">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-1-3-0-release-notes/">Apache Drill 1.3.0 Release
Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-1-2-0-release-notes/">Apache Drill 1.2.0 Release
Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-1-1-0-release-notes/">Apache Drill 1.1.0 Release
Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release
Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-0-9-0-release-notes/">Apache Drill 0.9.0 Release
Notes</a></li>
+
+
+
+ <li class="toctree-l2 current"><a class="reference internal"
href="/drill/docs/apache-drill-0-8-0-release-notes/">Apache Drill 0.8.0 Release
Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-0-7-0-release-notes/">Apache Drill 0.7.0 Release
Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-0-6-0-release-notes/">Apache Drill 0.6.0 Release
Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-m1-release-notes-apache-drill-alpha/">Apache
Drill M1 Release Notes (Apache Drill Alpha)</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-m1-release-notes-apache-drill-alpha/">Apache
Drill M1 Release Notes (Apache Drill Alpha)</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-0-5-0-release-notes/">Apache Drill 0.5.0 Release
Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/apache-drill-0-4-0-release-notes/">Apache Drill 0.4.0 Release
Notes</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Sample
Datasets</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/aol-search/">AOL Search</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/enron-emails/">Enron Emails</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal"
href="/drill/docs/wikipedia-edit-history/">Wikipedia Edit History</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a class="reference internal"
href="/drill/docs/project-bylaws/">Project Bylaws</a></li>
+
+
+ </ul>
+
+ </div>
+ </div>
+</aside>
+
+
+<nav class="breadcrumbs">
+ <li><a href="/drill/docs/">Docs</a></li>
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+ <a class="edit-link"
href="https://github.com/apache/drill/blob/gh-pages/_docs/rn/050-0.8.0-rn.md";
target="_blank"><i class="fa fa-pencil-square-o"></i></a>
+
+
+ <div class="int_title left">
+ <h1>Apache Drill 0.8.0 Release Notes</h1>
+
+ </div>
+
+ <link href="/drill/css/docpage.css" rel="stylesheet" type="text/css">
+
+ <div class="int_text" align="left">
+
+ <p>Apache Drill 0.8.0, continues the Drill release cycle as we drive
towards general availability.
+This release includes <a
href="https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12313820&version=12328812";>243
resolved JIRAs</a> and numerous enhancements.</p>
+
+<p>This release is available as
+<a
href="http://www.apache.org/dyn/closer.cgi/drill/drill-0.8.0/apache-drill-0.8.0.tar.gz";>binary</a>
and
+<a
href="http://www.apache.org/dyn/closer.cgi/drill/drill-0.8.0/apache-drill-0.8.0-src.tar.gz";>source</a>
tarballs that are compiled against Apache Hadoop.
+Drill has been tested against MapR, Cloudera, and Hortonworks Hadoop
+distributions. There are associated build profiles and JIRAs that can help you
+run Drill against your preferred distribution</p>
+
+<p>Apache Drill 0.8.0 Key Features:</p>
+
+<ul>
+<li><strong>Bytecode rewriting</strong>. Drill now leverages code optimization
techniques such as bytecode rewriting and inlining to enhance the speed of many
queries by reducing overall memory usage and CPU instructions.</li>
+<li><strong>Advanced partition pruning</strong>. Drill can now prune
partitions based on arbitrarily complex expressions. For example, specify WHERE
dir0 LIKE '2015-%' and your query will look inside the directory
"2015-01" but not inside "2014-12".</li>
+<li><strong>Real-time query diagnostics</strong>. You can now see exactly what
your queries are doing in real-time, making it easy to troubleshoot, optimize
and manage execution.</li>
+<li><strong>Large records, large # of files</strong>. Drill was previously
limited to small records of up to 128KB. It now supports records of any size.
In addition, query performance has been improved when dealing with large
numbers of files thanks to a variety of optimizations such as parallel metadata
reads.</li>
+<li><strong>More SQL</strong>. Drill now features complete support for UNION
ALL and COUNT(DISTINCT). Drill 0.8 also includes new functions such as
unix_timestamp and the window functions sum, count and rank. Note that these
window functions should be considered beta.</li>
+<li><strong>Better compression</strong>. Drill can now query compressed JSON
files. In addition, the user can control Parquet compression in CTAS (CREATE
TABLE AS) statements.</li>
+<li><strong>Performance</strong>. Drill 0.8 includes broadcast joins,
disk-based joins, parallel metadata reads and many other performance-related
enhancements.</li>
+<li> <strong>Reliability</strong>. Drill 0.8 includes a variety of fixes that
improve the stability of the drillbit daemon, the sqlline shell and the ODBC
and JDBC drivers.</li>
+<li> <strong>HBase 0.98 support</strong>. You can now run SQL queries on any
HBase 0.98 table.</li>
+</ul>
+
+
+
+ <div class="doc-nav">
+
+ <span class="previous-toc"><a
href="/drill/docs/apache-drill-0-9-0-release-notes/">â Apache Drill 0.9.0
Release Notes</a></span><span class="next-toc"><a
href="/drill/docs/apache-drill-0-7-0-release-notes/">Apache Drill 0.7.0 Release
Notes â</a></span>
+</div>
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