case when (bitand(c.defer, 128) = 128 or o.status in (3, 5) or ro.status in (3, 5)) then 'INVALID' else null end, case when (bitand(c.defer, 128) = 128 or o.status in (3, 5)) then 'INVALID' else null end ), null), decode(bitand(c.defer, 256), 256, 'DEPEND ON...
WHERE TABLE_NAME = 'EMPLOYEES' AND CONSTRAINT_NAME IN ( SELECT CONSTRAINT_NAME FROM all_constraints WHERE TABLE_NAME = 'EMPLOYEES' AND CONSTRAINT_TYPE = 'U'); 该语句将返回所有属于EMPLOYEES表的唯一性约束列的名称。 总的来说,all_constraints表是Oracle数据库中一个非常重要的系统表,在日常的数据库...
该视图仅适用于 OceanBase 数据库 Oracle 模式。 字段说明 字段名称类型是否可以为 NULL描述 OWNER VARCHAR2(128) NO 约束的拥有者 CONSTRAINT_NAME VARCHAR2(128) NO 约束名字 CONSTRAINT_TYPE VARCHAR2(1) NO 索引类型,目前只支持 NORMAL 类型 TABLE_NAME VARCHAR2(128) NO 约束所在的表的名字 SEARCH_CONDITION...
Indicates whether this constraint specifies a century in an ambiguous manner (BAD) or not (NULL). To avoid errors resulting from this ambiguity, rewrite the constraint using theTO_DATEfunction with a four-digit year. See Also:theTO_DATEfunction inOracle Database SQL Language ReferenceandOracle ...
功能适用性 该视图仅适用于 OceanBase 数据库 Oracle 模式。 字段说明 字段名称类型是否可以为 NULL描述 OWNERVARCHAR2(128)NO约束的拥有者 CONSTRAINT_NAMEVARCHAR2(128)NO约束名字 CONSTRAINT_TYPEVARCHAR2(1)NO索引类型,目前只支持 NORMAL 类型 TABLE_NAMEVARCHAR2(128)NO约束所在的表的名字 ...
Oracle Database - Enterprise Edition - Version 19.3.0.0.0 and later: ORA-00955: Name is already used by an existing object even though object does not exist in all_c
EDB Postgres Advanced Server Version 11 Documentation and release notes. Oracle database compatibility with higher security and data redaction for Enterprises.
See Also:theTO_DATEfunction inOracle Database SQL ReferenceandOracle Database Application Developer's Guide - Fundamentals RELY VARCHAR2(4) Whether an enabled constraint is enforced or unenforced. See Also:theconstraintsinOracle Database SQL Reference LAST_CHANGE DATE When the constraint was last en...
Wow! Is Oracle hoping to one day pull all the databases in the world together? I wouldn't put it past Ellison... Terry M. Hoey th3856@txmail.sbc.com While I don't mind e-mail messages, please post all questions in these forums for the benefit of all members. Upvote 0 Downvote ...
FOR i IN (SELECT table_name, constraint_name --enable first the primary key FROM user_constraints WHERE constraint_type ='P' AND status = 'DISABLED' ) LOOP EXECUTE IMMEDIATE 'alter table "' ||i.table_name|| '" enable constraint ' ||i.constraint_name; ...