SQL>select constraint_name, constraint_type,search_condition, r_constraint_name from user_constraints where table_name = upper('&table_name'); SQL>select c.constraint_name,c.constraint_type,cc.column_name from user_constraints c,user_cons_columns cc where c.owner = upper('&table_owner') an...
createorreplaceproceduresearch_string(pStringinvarchar)ascursorall_tab_cursorisselecta.owner, a.table_name, b.column_namefromdba_tables a, dba_tab_columns b, dba_objects cwherea.owner=b.owneranda.table_name=b.table_nameanda.table_name=c.object_name--and a.owner in ('XXX') --用户可选a...
select constraint_name, constraint_type,search_condition, r_constraint_name from user_constraints where table_name = upper('&table_name'); select c.constraint_name,c.constraint_type,cc.column_name from user_constraints c,user_cons_columns cc where c.owner = upper('&table_owner') and c.tabl...
查看某表的约束条件SQL>select constraint_name, constraint_type,search_condition, r_constraint_namefrom user_constraints where table_name = upper('&table_name');SQL>select c.constraint_name,c.constraint_type,cc.column_namefrom user_constraints c,user_cons_columns ccwhere c.owner = upper('&table...
ColumnNameDataType描述 OWNERString條件約束定義的擁有人。 CONSTRAINT_NAMEString條件約束定義的名稱。 TABLE_NAMEString與具有條件約束定義之資料表 (或檢視表) 相關的名稱。 SEARCH_CONDITIONString檢查條件約束之搜尋條件的文字。 R_OWNERString參考條件約束中的參考資料表擁有人。
In a relational database, all data is stored in two-dimensional tables that are composed of rows and columns. Oracle Database enables you to store data, update it, and efficiently retrieve it, with a high degree of performance, reliability, and scalability. Oracle Database is composed of ...
数据迁移后比对数据对象信息时,select * from all_tables 语句查出来的表数量与实际的表数量不一致,多出来的为 BM$ 和CTI$ 开头的表是什么表?【问题分析】在达梦中 BM$ 开头的表名为创建位图索引的辅助表。命名方式:BM$_+ 位图索引对象 id。同时创建位图索引时也会创建一个触发器:BM$TRG+ 位图索引对象 id...
Table name table True string Name of Oracle table Filter Query $filter string An ODATA filter query to restrict the entries returned (e.g. stringColumn eq 'string' OR numberColumn lt 123). Order By $orderby string An ODATA orderBy query for specifying the order of entries. Top ...
SQL>select constraint_name, constraint_type,search_condition, r_constraint_name from user_constraints where table_name = upper('&table_name'); SQL>select c.constraint_name,c.constraint_type,cc.column_name from user_constraints c,user_cons_columns cc where c.owner = upper('&table_owner')and...
您可以在子查询上执行UNION ALL，然后执行带有Count的GroupBy，通过将查询分离为独立的结果集来确定所需的...