SYS.ALL_CONSTRAINTS的定义如下: CREATE OR REPLACE VIEW ALL_CONSTRAINTS (owner, constraint_name, constraint_type, table_name, search_condition, r_owner, r_constraint_name, delete_rule, status, deferrable, deferred,
SELECT* FROMall_constraints WHEREtable_name ='T_USER'ANDowner ='SCOTT'; 结果如下: 1 2 3 4 5 6 7 SQL>SELECT* 2FROMall_constraints 3WHEREtable_name ='T_ORDER'ANDowner ='SCOTT'; OWNER CONSTRAINT_NAME CONSTRAINT_TYPE TABLE_NAME SEARCH_CONDITION R_OWNER R_CONSTRAINT_NAME DELETE_RULE STATU...
So, we can easily find all the constraints on the table in Oracle using data dictionary views. We can then take whatever action like modify, disable, or drop, we want to take on these constraints. Constraints are enforcing data integrity rules in the Oracle database and we must be careful...
查看约束信息:user_constraints、all_constraints、dba_constraints 查看约束所在字段:user_cons_columns、all_cons_columns、dba_cons_columns 查看触发器信息:user_triggers、all_triggers、all_triggers 查看序列信息:user_sequences、all_sequences、dba_sequences 查看视图信息:user_views、all_views、dba_views 查看...
ALL_CONSTRAINTS 视图提供放置在可由当前用户访问的表上的约束的相关信息。 名称 类型 说明 owner TEXT 约束所有者的用户名。 schema_name TEXT 约束所属 schema 的名称。 constraint_name TEXT 约束的名称。 constraint_type TEXT 约束类型。可能值包括: C:检查约束 F:外键约束 P:主键约束 U:唯一键约束...
SET CONSTRAINTS ALL DEFERRED; SET CONSTRAINT XXX DEFERRED; 当前会话的Constraint Checks. ALTER SSSSION SET CONSTRAINTS ALL deferred; ALTER SSSSION SET CONSTRAINT xxx deferred; 约束信息 SELECT*FROMDBA_CONSTRAINTS;SELECT*FROMALL_CONSTRAINTS;SELECT*FROMUSER_CONSTRAINTS;SELECT*FROMDBA_CONS_COLUMNS;SELECT*FROM...
SELECT * FROM ALL_CONSTRAINTS; SELECT * FROM USER_CONSTRAINTS; SELECT * FROM DBA_CONS_COLUMNS; SELECT * FROM ALL_CONS_COLUMNS; SELECT * FROM USER_CONS_COLUMNS; 复制代码 约束有四种状态:ENABLE、VALID、INVALID、DISABLE 约束的检查机制 IMMEDIATE语句级:Oracle performs its constraint checking after the...
GRANT ALTER SESSION to oms_user; GRANT CREATE SESSION to oms_user; GRANT CONNECT to oms_user; GRANT SELECT on ALL_CONSTRAINTS to oms_user; GRANT SELECT on ALL_INDEXES to oms_user; GRANT SELECT on ALL_IND_COLUMNS to oms_user; -- 查询对象的一些属性信息 GRANT SELECT on ALL_OBJECTS to ...
USER_CONSTRAINTS、DBA_CONSTRAINTS、ALL_CONSTRAINTS、 USER_CONS_COLUMNS、DBA_CONS_COLUMNS、ALL_CONS_COLUMNS、 USER_INDEXES、DBA_INDEXES、ALL_INDEXES、 USER_IND_COLUMNS、DBA_IND_COLUMNS、ALL_IND_COLUMNS、 USER_TAB_PARTITIONS、DBA_TAB_PARTITIONS、ALL_TAB_PARTITIONS、 ...
datafile '$filepath' size $sizeM; # 临时表空间 create temporary tablespace $teblespace_nam ...