常见的DML操作包括INSERT(插入)、UPDATE(更新)、DELETE(删除)以及SELECT(查询)。 在什么情境下会遇到“不能在查询内部执行DML操作”的错误 在Oracle数据库中,当你在一个SELECT查询中直接或间接地执行了DML操作(如INSERT、UPDATE、DELETE)时,会触发“ORA-14551: cannot perform a DML
<br/>ORA-06502: PL/SQL: numeric or value error: character string buffer too small<br/>ORA-06512: at "TROY.ONTRAC_QRS_PKG", line 760<br/>ORA-14551: cannot perform a DML operation inside a query <br/>ORA-06512: at "TROY.COMMON_SYSTEMLOG_PKG", line 43<br/>ORA-06512: at "TROY....
问题 在执行函数时报错ORA-14551: cannot perform a DML operation inside a query select funName() from dual; 原因 在SELECT语句中不能对表进行修改(insert,update,delete)。SELECT语句中的函数试图往表中插入数据就会报错。 解决方案 要想在SELECT语句中对表进行修改,可以使用自治事务(Autonomous Transactions,AT...
对数据库有写操作(INSERT、UPDATE、DELETE、CREATE、ALTER、COMMIT)的存储过程或函数是无法简单的用SQL来调用的,此时可以将其设为自治事务,从而避免ORA-14552(无法在一个查询或DML中执行DDL、COMMIT、ROLLBACK)、ORA-14551(无法在一个查询中执行DML操作)等错误。需要注意的是函数必须有返回值,但仅有IN参数(不能有OU...
ORA-14551: cannot perform a DML operation inside a query 〖环境(Environment)〗 OS:SOLARIS 9 DB:ORACLE10G 〖现象(Symptom) 〗 Step01:创建函数f_stu。 SQL> create or replace function f_stu 2 return varchar2 3 is 4 username varchar2(20); ...
在执行函数时报错ORA-14551: cannot perform a DML operation inside a query selectfunName()fromdual; 1. 原因 在SELECT语句中不能对表进行修改(insert,update,delete)。SELECT语句中的函数试图往表中插入数据就会报错。 解决方案 要想在SELECT语句中对表进行修改,可以使用自治事务(Autonomous Transactions,AT)。自治...
Oracle Applications Manager - Version 12.1.3 to 12.1.3 [Release 12.1]: Ora-14552: Cannot Perform A Ddl, Commit Or Rollback Inside A Query Or Dml when changing passwo
I want to point out one thing here, We all know DML we can not perform inside function which is limitation of function. When we try to create #tempTable and try to insert records in temp table it means it is DML operation. 0
Can't copy the result of a query? Can't declare table parameter as input to stored procedure Can't delete rows from Mgt Studio view Can't Enable Foreign Key Constraint (Msg 547, Level 16, State 0, Line 15) Can't perform emptyfile operation on .mdf? Can't select DISTINCT values with...
ORA-14552: Cannot Perform a DDL Commit or Rollback Inside a Query or DML tips Oracle在函数中执行存储过程提交事务发生错误的解决办法: CREATE OR REPLACE FUNCTION rebuildSequence return number as v_loc number; pragma autonomous_transaction;--添加此行 将您的函数变成一个自主事务即可...