====== USE Statement ======

USE statement allows you to change the default database used in SQL statements for the current connection. 

**Syntax:**

<code language="sql">
USE database_expr;
</code>

Note: HPL/SQL allows you to use an expression to specify the database name

**Example**:

<code language="sql">
USE sales;

USE SUBSTR(var, 1, 3);
</code>

**Compatibility**: Hive, MySQL, MariaDB

**Version**: HPL/SQL 0.1

See also:
  * [[create-database|CREATE DATABASE]]
  * [[drop-database|DROP DATABASE]]