使用information_schema.tables显示所有表。这样，还可以设置数据库名称，以便您只能显示特定数据库中的表。
现在让我们显示数据库“ web”中的所有表-
select group_concat(table_name) from information_schema.tables where table_schema='web';
这将产生以下输出-
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | group_concat(table_name) | +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | demo_table725,demotabe619,demotabe620,demotable211,demotable212,demotable213,demotable214,demotable215,demotable216,demotable217,demotable218,demotable219,demotable220,demotable221,demotable222,demotable223,demotable224,demotable225,demotable226,demotable227,demotable228,demotable229,demotable230,demotable231,demotable232,demotable233,demotable234,demotable235,demotable236,demotable237,demotable238,demotable239,demotable240,demotable241,demotable244,demotable245,demotable246,demotable247,demotable248,demotable249,demotable250,demotable251,demotable252,demotable 253,demotable254,demotable255,demotable256,demotable257,demotable258,demotable259,demotable260,demotable261,demotable262,demotable263,demotable264,demotable265,demotable266,demotable267,demotable268,demotable269,demotable270,demotable271,demotable272,demotable273,demotable274,demotable275,demotable276,demotable277,demotable278,demotable279,demotable280,demotable281,demotable282,demotable283,demotable284,demotable285,demotable286,demotable287,demotable28 | +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set, 1 warning (0.01 sec)