spaydar commented on code in PR #7388:
URL: https://github.com/apache/arrow-datafusion/pull/7388#discussion_r1303726607
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docs/source/user-guide/sql/ddl.md:
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@@ -19,6 +19,9 @@
# DDL
+DDL stands for "Data Definition Lanaguage" and relates to creating and
Review Comment:
```suggestion
DDL stands for "Data Definition Language" and relates to creating and
```
##########
docs/source/user-guide/sql/dml.md:
##########
@@ -19,14 +19,19 @@
# DML
+DML stands for "Data Manipulation Lanaguage" and relates to inserting
Review Comment:
```suggestion
DML stands for "Data Manipulation Language" and relates to inserting
```
##########
docs/source/user-guide/sql/dml.md:
##########
@@ -19,14 +19,19 @@
# DML
+DML stands for "Data Manipulation Lanaguage" and relates to inserting
+and modifying data in tables.
+
## COPY
-Copy a table to file(s). Supported file formats are `parquet`, `csv`, and
`json`.
+Copies the contents of a table or query to file(s). Supported file
+formats are `parquet`, `csv`, and `json` and can be inferred based on
+filename if writing to a single file.
The `PER_THREAD_OUTPUT` option treats `file_name` as a directory and writes a
file per thread within it.
<pre>
-COPY <i><b>table_name</i></b> TO '<i><b>file_name</i></b>' [ (
<i><b>option</i></b> [, ... ] ) ]
+COPY [<i><b>table_name</i></b> | <i><b>query</i></b>] TO
'<i><b>file_name</i></b>' [ ( <i><b>option</i></b> [, ... ] ) ]
Review Comment:
```suggestion
COPY { <i><b>table_name</i></b> | <i><b>query</i></b> } TO
'<i><b>file_name</i></b>' [ ( <i><b>option</i></b> [, ... ] ) ]
```
changes "optional" syntax to "requires one of"
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