foreign_key_checks 用于设置是否在 DML 中检查外建约束。 属性 描述 参数类型 bool 默认值 1 取值范围 0：不检查外键约束 1：检查外键约束 生效范围 GLOBAL SESSION 是否参与序列化 是 说明 说明：该变量设置后，仅对 DML 操作有效，DDL 操作不受影响。

CryptoMb private key provider extensions.private_key_providers.cryptomb.v3alpha.CryptoMbPrivateKeyMethodConfig CryptoMb private key provider This extension may be referenced by...

KEY_COLUMN_USAGE KEY_COLUMN_USAGE KEY_COLUMN_USAGE 表描述了列的键约束，比如主键约束。 USE information_schema ; DESC key_column_usage ; +-------------------------------+--------------+-...

config-key layout OSD dm-crypt keys ceph-mgr modules Configuration config-key layout config-key is a general-purpose key/value storage service offered bythe mons. Generally ...

5.1.19. 键(key) 5.1.19. 键(key) 我们目前已经见到过&lt;key&gt; 元素多次了。 这个元素在父映射元素定义了对新表的连接，并且在被连接表中定义了一个外键引用原表的主键的情况下经常使用。 <key column = "columnname" on-delete = "noa...

XDEL key ID [ID …] *Understanding the low level details of entries deletion *Return value *Examples XDEL key ID [ID …] Available since 5.0.0. Time complexity: O(1) for ea...

ZREMRANGEBYLEX key min max *Return value *Examples ZREMRANGEBYLEX key min max Available since 2.8.9. Time complexity: O(log(N)+M) with N being the number of elements in th...

ZINCRBY key increment member *Return value *Examples ZINCRBY key increment member Available since 1.2.0. Time complexity: O(log(N)) where N is the number of elements in th...

ZCOUNT key min max *Return value *Examples ZCOUNT key min max Available since 2.0.0. Time complexity: O(log(N)) with N being the number of elements in the sorted set. Ret...

SREM key member [member …] *Return value *History *Examples SREM key member [member …] Available since 1.0.0. Time complexity: O(N) where N is the number of members to be...