SHOW TABLES
Description
The SHOW TABLES
statement returns all the tables for an optionally specified database.
Additionally, the output of this statement may be filtered by an optional matching
pattern. If no database is specified then the tables are returned from the
current database.
Syntax
SHOW TABLES [ { FROM | IN } database_name ] [ LIKE regex_pattern ]
Parameters
-
{ FROM
|
IN } database_nameSpecifies the database name from which tables are listed.
-
regex_pattern
Specifies the regular expression pattern that is used to filter out unwanted tables.
- Except for
*
and|
character, the pattern works like a regular expression. *
alone matches 0 or more characters and|
is used to separate multiple different regular expressions, any of which can match.- The leading and trailing blanks are trimmed in the input pattern before processing. The pattern match is case-insensitive.
- Except for
Examples
-- List all tables in default database
SHOW TABLES;
+--------+---------+-----------+
|database|tableName|isTemporary|
+--------+---------+-----------+
| default| sam| false|
| default| sam1| false|
| default| suj| false|
+--------+---------+-----------+
-- List all tables from userdb database
SHOW TABLES FROM userdb;
+--------+---------+-----------+
|database|tableName|isTemporary|
+--------+---------+-----------+
| userdb| user1| false|
| userdb| user2| false|
+--------+---------+-----------+
-- List all tables in userdb database
SHOW TABLES IN userdb;
+--------+---------+-----------+
|database|tableName|isTemporary|
+--------+---------+-----------+
| userdb| user1| false|
| userdb| user2| false|
+--------+---------+-----------+
-- List all tables from default database matching the pattern `sam*`
SHOW TABLES FROM default LIKE 'sam*';
+--------+---------+-----------+
|database|tableName|isTemporary|
+--------+---------+-----------+
| default| sam| false|
| default| sam1| false|
+--------+---------+-----------+
-- List all tables matching the pattern `sam*|suj`
SHOW TABLES LIKE 'sam*|suj';
+--------+---------+-----------+
|database|tableName|isTemporary|
+--------+---------+-----------+
| default| sam| false|
| default| sam1| false|
| default| suj| false|
+--------+---------+-----------+