SQL> select CONSTRAINT_NAME C_NAME,INDEX_NAME,CONSTRAINT_TYPE,Search_condition,R_CONSTRAINT_NAME R_NAME from user_constraints where TABLE_NAME='DEPT'; SQL> select OWNER,CONSTRAINT_NAME ,COLUMN_NAME,POSITION from User_cons_columns where TABLE_NAME='DEPT'; How to find constraint by name in Or...
You want to find the names of the constraints in a table in Oracle. Example We want to display the names of the constraints in the table student. Solution SELECT constraint_name, constraint_type, table_name FROM user_constraints WHERE table_name = 'STUDENT'; Here is the result: constraint...
where tablespace_name notin('SYSTEM','SYSAUX','UNDOTBS1','TEMP','EXAMPLE')group by owner,tablespace_name)ANDUSERNAMENOTIN('SYS');SELECTDBMS_METADATA.GET_GRANTED_DDL('ROLE_GRANT',USERNAME)DDL_SQLFROMDBA_USERSWHEREUSERNAMEIN(select owner from dba_segments where tablespace_name notin('SYSTEM',...
如果有一下信息:libodbcinst.so.1 no => not found 查找:find / -name libodbcinst.so.1 ln -s /lib64/libodbcinst.so.2 /lib64/libodbcinst.so.1 通过ldd libdmhs_exec.so检查。 检查执行端运行环境NLS_LANG 检查dmhs服务的用户的环境变量NLS_LANG是否设置,查看echo $NLS_LANG echo $NLS_LANG=AMERICA...
select owner, constraint_name, constraint_type, status, validated from dba_constraints where owner='LHR' and VALIDATED='NOT VALIDATED'; select 'alter table lhr.'||TABLE_NAME||' enable validate constraint '||CONSTRAINT_NAME||';' from dba_constraints where owner='LHR' and VALIDATED='NOT VALIDA...
第1次匹配:lastName group=Seinfeld 第2次匹配:lastName group=Benes 第3次匹配:lastName group=Kramer 第4次匹配:lastName group=Costanza 不管是否设置了选项ExplictCapture,组都将被捕获 4.4(?=) 正声明 (?=) 正声明.声明的右侧必须是括号中指定的模式。此模式不构成最终匹配的一部分 ...
@UniqueConstraint 指定的字段和用于主要或辅助表的唯一约束。 @ColumnResult 参考使用select子句的SQL查询中的列名。 @ManyToMany 定义了连接表之间的多对多一对多的关系。 @ManyToOne 定义了连接表之间的多对一的关系。 @OneToMany 定义了连接表之间存在一个一对多的关系。
create table test.t11 ( id number, name varchar2(32), description varchar2(128), cdate timestamp, constraint pk_t11 primary key(id) using index ) tablespace test_tbs; 同步准备 登录管理服务URL页面: https://<服务器IP地址>:8001 点击左上角菜单按钮,点击左边“配置” 选择“数据库”,点击“身...
The unique constraint is implemented by a creation of an index, which requires a unique value. If you include more than one column as part of a unique key, you will create a single index that will include all the columns in the unique key. If an index already exists for this purpose,...
If you can identify the users who are experiencing the full table scans, you can find out what they were running to cause these scans. Below is a script that allows you to do this: REM FILE NAME: fullscan.sql REM LOCATION: Database Tuning\File I/O Reports ...