Github user lisakowen commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/86#discussion_r96321794
--- Diff: markdown/ddl/ddl-database.html.md.erb ---
@@ -2,77 +2,75 @@
title: Creating and Managing Databases
---
-A HAWQ system is a single instance of HAWQ. There can be several separate
HAWQ systems installed, but usually just one is selected by environment
variable settings. See your HAWQ administrator for details.
-
-There can be multiple databases in a HAWQ system. This is different from
some database management systems \(such as Oracle\) where the database instance
*is* the database. Although you can create many databases in a HAWQ system,
client programs can connect to and access only one database at a time â you
cannot cross-query between databases.
+Your HAWQ deployment may have multiple databases. This is different from
some database management systems \(such as Oracle\) where the database instance
*is* the database. Although you can create many databases in a HAWQ system,
client programs can connect to and access only one database at a time â you
cannot cross-query between databases.
## <a id="topic3"></a>About Template Databases
-Each new database you create is based on a *template*. HAWQ provides a
default database, *template1*. Use *template1* to connect to HAWQ for the first
time. HAWQ uses *template1* to create databases unless you specify another
template. Do not create any objects in *template1* unless you want those
objects to be in every database you create.
+Each new database you create is based on a *template*. HAWQ provides a
default database, `template1`. HAWQ uses `template1` to create databases unless
you specify another template. Do not create any objects in `template1` unless
you want those objects to be in every database you create.
-HAWQ uses two other database templates, *template0* and *postgres*,
internally. Do not drop or modify *template0* or *postgres*. You can use
*template0* to create a completely clean database containing only the standard
objects predefined by HAWQ at initialization, especially if you modified
*template1*.
+HAWQ uses two other database templates internally, `template0` and
`postgres`. Do not drop or modify `template0` or `postgres`. You can use
`template0` to create a completely clean database containing only the standard
objects predefined by HAWQ at initialization, especially if you have modified
`template1`.
--- End diff --
i think template0 and template1 start out the same. you cannot modify
template0, but you can template1.
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