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and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
DDL操作需要锁定所有分区,导致所有分区上操作都被阻塞。 当表数据量较大时,对分区表进行DDL或其他运维操作难度大风险高。 分区表使用较少,存在未知风险。 当单台服务器性能无法满足时,对分区表进行分拆的成本较高。 当分区表操作不当导致访问所有分区时,会导致严重的性能问题。 建议表包含两个字段:CREATE_TIME,UPDATE_TIME
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
01000000、_p20211101000000、_p20211201000000三个分区,这里要注意‘_p’作为前缀的分区名将会保留为系统命名规则,手动管理分区(创建新分区或者重命名分区的操作)时,不建议使用‘_p’作为前缀的分区名。 INTERVAL RANGE表支持HASH或KEY类型类型的二级分区,例如:
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}"
01000000、_p20211101000000、_p20211201000000三个分区,这里要注意‘_p’作为前缀的分区名将会保留为系统命名规则,手动管理分区(创建新分区或者重命名分区的操作)时,不建议使用‘_p’作为前缀的分区名。 INTERVAL RANGE表支持HASH或KEY类型类型的二级分区,例如:
NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 1 row in set (0.00 sec) 利用系统视图information_schema.columns查询压缩字段。 例如: mysql> select TABLE_SCHEMA, TABLE_NAME