postgres=# create or replace trigger modify_stu before insert on studentfor each rowdeclarenext_id number;begin select seq_test.nextval into next_id from dual; :new.id :=next_id;end;/ERROR: syntax error at or near "trigger"LINE 1: create or replace trigger modify_stu 五、游标CURSOR...
SQL语言是非过程化编程语言,主要分为数据查询语言(SELECT)、数据操作语言(INSERT、UPDATE和DELETE)、事务控制语言(COMMIT、SAVEPOINT、ROLLBACK)、权限控制语言(GRANT、REVOKE)、数据定义语言(CREATE、ALTER和DROP)、指针控制语言(DECLARE CURSOR)。 SQL语法的标准是由ANSI和国际标准化组织(ISO)作为ISO/IEC 9075标准维护,...
postgres=# create or replace trigger modify_stu before insert on student for each row declare next_id number; begin select seq_test.nextval into next_id from dual; :new.id :=next_id; end; / ERROR: syntax error at or near "trigger" LINE 1: create or replace trigger modify_stu 五、游...
DROP TABLE DEPT; DROP TABLE EMP; DROP TABLE PARENT; DROP TABLE STAT_VENDER_TEMP; DROP TABLE TABLE_FORUM; 5 rows selected. SQL> SPOOL OFF d. 对生成的drop_table.sql文件进行编辑去掉不必要的部分,只留下drop table …..语句 e. 在scott用户下运行dorp_table.sql文件,删除scott用户下所有的表。 SQ...
CREATE TRIGGER REP_BUSI_FOLLOW_UP_INFO BEFORE INSERT OR UPDATE ON XXXXX.BUSI_FOLLOW_UP_INFO FOR EACH ROW EXECUTE PROCEDURE XXXXX.TRIG_FCT_REP_BUSI_FOLLOW_UP_INFO(); error code: 42601 msg:syntax error at or near "IS"" function=doTask line=558 file="mtk/pkg/mtk/mtk_task.go" taskID=...
6. Break: 分组, Syntax: break on 分组列 skip n //n为每两组之间间隔的空行 /* 例: SQL> break on job SQL> select * from emp order by job; // 此处务必按分组列排序 EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO --- --- --- --- --- --- --- --- 7788 SCOTT ANALYST 7566 ...
sql> alter database drop logfile member 'c:/oracle/oradata/redo01.log'; 8.clearing online redo log files sql> alter database clear [unarchived] logfile 'c:/oracle/log2a.rdo'; 9.using logminer analyzing redo logfiles a. in the init.ora specify utl_file_dir = ' ' ...
Trigger > Disable Sequence > Drop Materialized View > Change Parallelism Synonym > Drop Database Link > Test Recycle Bin > Purge Most objects have a general edit dialog as well as specific modifications available by invoking a context menu through right-clicking. ...
The Oracle specific PL/SQL code generated for functions, procedures, packages and triggers has to be reviewed to match the PostgreSQL syntax. You will find some useful recommendations on porting Oracle PL/SQL code to PostgreSQL PL/PGSQL at "Converting from other Databases to PostgreSQL", section...
混合触发器(compound trigger) 这是11g中新出现的一种触发器。她可以让你在同一触发器中同时具有申明部分、before过程部分、after each row过程部分和after过程部分。 创建无效触发器(Disabled Trigger) 11g中,开发人员可以可以闲创建一个invalid触发器,需要时再编译她。 ...