Mutating Error In Pl Sql

PL/SQL: Mutating Triggers Part-1

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I understand mutating table errors are caused by a design flaw or problematic query. An old query was recently put into production which throws a mutating table error.

Work Around for mutating problem in Oracle Triggers – Now issue the following command to update EMPLOYEES table as follows and see the message issued by Oracle. SQL> update employees set salary = 10000 where employee_id = 110; update employees set salary = 10000 where employee_id = 110 * ERROR at line 1: ORA-04091: table HR.EMPLOYEES is mutating.

SQL> INSERT INTO tab1 (id, description) VALUES (tab1_seq.NEXTVAL, 'ONE'); INSERT INTO tab1 (id, description) VALUES (tab1_seq.NEXTVAL, 'ONE') * ERROR at line 1: ORA-04091: table TEST.TAB1 is mutating, trigger/function may not see it ORA-06512: at "TEST.TRIGGER_API", line 7 ORA-06512: at "TEST.

PL/SQL Interview Questions | GeekInterview.com – PL/SQL – 2 PL/SQL interview questions and 25 answers by expert members with experience in PL/SQL subject. Discuss each question.

30 Most Important PL/SQL Interview Questions and Answers. – This article will discuss the top-most PL/SQL Interview Questions and answers. It helps the user to develop complex database applications using control structure etc.

PL/SQL – What is mutating trigger? How do you resolve it?If a trigger body is trying to update dependent tables, will it get a mutating error?. 1 Answers are.

Mutating table errors only impact row level triggers. But to use a statement level trigger, some data may need to be preserved from each row, to be used by the statement level trigger. This data can be stored in a PL/SQL collection or in a temporary table. A simple row level trigger that causes a mutating table error can result.

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Nov 29, 2016  · PL/SQL interview questions for 4 years of experience 2017 2018. Please give me interview Question of PL/SQL for 4 years experience candidate?

This course introduces students to PL/SQL and helps them understand the benefits of this powerful programming language. In the class, students learn to create.

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PL/SQL, Triggers, and Mutating Tables. A mutation table is defined as a table that is changing. But in dealing with triggers, it is a table that.

This data can be stored in a PL/SQL collection or in a temporary table. A simple row level trigger that causes a mutating table error can. Avoiding Mutating.

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