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sql-statement-use.md

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USE | TiDB SQL Statement Reference
An overview of the usage of USE for the TiDB database.
/docs/dev/sql-statements/sql-statement-use/
/docs/dev/reference/sql/statements/use/

USE

The USE statement selects a current database for the user session.

Synopsis

UseStmt ::=
    "USE" DBName

DBName ::=
    Identifier

Examples

mysql> USE mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> SHOW TABLES;
+-------------------------+
| Tables_in_mysql         |
+-------------------------+
| GLOBAL_VARIABLES        |
| bind_info               |
| columns_priv            |
| db                      |
| default_roles           |
| expr_pushdown_blacklist |
| gc_delete_range         |
| gc_delete_range_done    |
| global_priv             |
| help_topic              |
| opt_rule_blacklist      |
| role_edges              |
| stats_buckets           |
| stats_feedback          |
| stats_histograms        |
| stats_meta              |
| stats_top_n             |
| tables_priv             |
| tidb                    |
| user                    |
+-------------------------+
20 rows in set (0.01 sec)

mysql> CREATE DATABASE newtest;
Query OK, 0 rows affected (0.10 sec)

mysql> USE newtest;
Database changed
mysql> SHOW TABLES;
Empty set (0.00 sec)

mysql> CREATE TABLE t1 (a int);
Query OK, 0 rows affected (0.10 sec)

mysql> SHOW TABLES;
+-------------------+
| Tables_in_newtest |
+-------------------+
| t1                |
+-------------------+
1 row in set (0.00 sec)

MySQL compatibility

The USE statement in TiDB is fully compatible with MySQL. If you find any compatibility differences, report a bug.

See also