使用 MySQL 如何獲取單詞後包含大寫字元的資料庫名稱?
為此,使用正則表示式。語法如下 −
select * from information_schema.schemata WHERE SCHEMA_NAME REGEXP '^yourValue_+[A-Z]';
建立一些資料庫 −
mysql> create database bank_APP1; Query OK, 1 row affected (0.00 sec) mysql> create database bank_APP2; Query OK, 1 row affected (0.00 sec) mysql> create database bank_APP3; Query OK, 1 row affected (0.00 sec)
以下查詢用於獲取單詞後包含大寫字元的所有資料庫 −
mysql> select * from information_schema.schemata WHERE SCHEMA_NAME REGEXP '^bank_+[A-Z]';
它將產生以下結果 −
+--------------+-------------+----------------------------+------------------------+----------+ | CATALOG_NAME | SCHEMA_NAME | DEFAULT_CHARACTER_SET_NAME | DEFAULT_COLLATION_NAME | SQL_PATH | +--------------+-------------+----------------------------+------------------------+----------+ | def | bank_app1 | utf8 | utf8_unicode_ci | NULL | | def | bank_app2 | utf8 | utf8_unicode_ci | NULL | | def | bank_app3 | utf8 | utf8_unicode_ci | NULL | +--------------+-------------+----------------------------+------------------------+----------+ 3 rows in set (0.00 sec)
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