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Apply MySQL query to each table in a database?
To apply MySQL query to each table in a database, you can use INFORMATION_SCHEMA.TABLES. Following is the syntax −
SELECT SUM(TABLE_ROWS) AS anyAliasName FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=yourDatabaseName;
Let us implement the above syntax to query each table in a database.
mysql> SELECT SUM(TABLE_ROWS) AS Total FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA= DATABASE();
This will produce the Following output −
+-------+ | Total | +-------+ | 1666 | +-------+ 1 row in set (0.01 sec)
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