在PHP中計算SQL表的數量？

Question

我有一個有很多表的數據庫。我想知道如何使用PHP來計算數據庫中表的總數？

Answer 1

你可以做

SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = 'dbName'; 

OR

USE databasename; SHOW TABLES; SELECT FOUND_ROWS(); 

Answer 2

您可以用SQL語句做到這一點：

select count(*) from information_schema.tables 

Answer 3

SELECT COUNT（*）FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'DBNAME';

Answer 4

做查詢information_schema.tables

SELECT COUNT(*) FROM information_schema.TABLES 
WHERE TABLE_SCHEMA='database_name'; 

Answer 5

使用下面的查詢：

SELECT COUNT(*) FROM information_schema.TABLES 
WHERE TABLE_SCHEMA='database_name';