Foreign Key Constraint Error In Oracle
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ORA-02291: parent keys not found ora-02298 integrity constraint violated-parent key not found tips Oracle Error Tips by Burleson Consulting (S. Karam) The Oracle docsIntegrity Constraint Violated - Child Record Found
note this on the ora-02291 error: ORA-02291: integrity constraint (string.string) violated - parent key not found Cause: A foreign key value has no matching primary key value. Action: Delete the foreign
Ora-02291 How To Fix
key or add a matching primary key. For an insert statement, this ORA-02291 error is common when you are trying to insert a child without a matching parent, as defined by a foreign key constraint. In that case, you need to add the parent row to the table and then re-insert your child table row.See the dba_constraints view to find the parent table.To fully understand parent key and foreign key [primary and foreign key constraints, see the book Easy Oracle Jumpstart, to explain these concepts: Burleson is the American Team Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals. Feel free to ask questions on our Oracle forum. Verify experience! Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and self-proclaimed expertise. All legitimate Oracle experts publish their Oracle qualifications. Errata? Oracle technology is changing and we strive to update our BC Oracle support information. If you find an error or have a suggestion for improving our content, we would appreciate your feedback. Just e-mail: and include the URL for the page. Burleson Consulting The Oracle of Database Support Oracle Performance Tuning Remote DBA Services Copyright © 1996 - 2016 All rights reserved by Burleson Oracle is the registered trademark of Oracle Corporation.
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How To Find Parent Table In Oracle
OPERATORS DELETE DISTINCT EXISTS FROM GROUP BY HAVING IN INSERT INSERT ALL INTERSECT how to fix ora 02291 integrity constraint IS NOT NULL IS NULL JOIN LIKE MINUS NOT OR ORDER BY PIVOT REGEXP_LIKE SELECT SUBQUERY TRUNCATE UNION UNION ALL UPDATE a foreign key value has no matching primary key value. WHERE Oracle Advanced Oracle Cursors Oracle Exception Handling Oracle Foreign Keys Oracle Loops/Conditionals Oracle Transactions Oracle Triggers String/Char Functions Numeric/Math Functions Date/Time Functions Conversion Functions Analytic Functions Advanced Functions Oracle / PLSQL: ORA-02292 Error Message http://www.dba-oracle.com/t_ora_02291_integrity_constraint_string_string_violated_parent_key_not_found.htm Learn the cause and how to resolve the ORA-02292 error message in Oracle. Description When you encounter an ORA-02292 error, the following error message will appear: ORA-02292: integrity constraint
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and http://stackoverflow.com/questions/13518246/violated-parent-key-not-found-error policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only foreign key takes a minute: Sign up violated - parent key not found error up vote 0 down vote favorite I have the following error appearing: INSERT INTO GroupMembers VALUES ('Goldfrat', 'Simon Palm') * ERROR at line 1: ORA-02291: integrity constraint (SHAHA1.IAM_IS_GROUP_FK) violated - parent key not found The constraint in the GroupMembers table is: CONSTRAINT iam_is_group_fk FOREIGN KEY(is_group) REFERENCES Members(group_name) The Members integrity constraint violated Table looks like this: CREATE TABLE Members ( group_name VARCHAR2(40), CONSTRAINT g_id_pk PRIMARY KEY(group_name), CONSTRAINT m_group_name_fk FOREIGN KEY(group_name) REFERENCES Artist(artistic_name)); All of the tables are created fine until it comes to creating the GroupMembers table. Anyone have any ideas? I've been scratching for quite a while. sql database oracle share|improve this question edited Oct 28 '13 at 11:06 Kiquenet 5,0672487148 asked Nov 22 '12 at 18:23 AkshaiShah 75341734 I'm scratching for the error,too. I've disabled the foreign constraint and did some insert and delete actions. After I updated, I could not enable this foreign constraint. It said ORA-02298: cannot validate (PRODUSR.SYS_C0037867) - parent keys not found. But I checked many times and still cannot find out any records not in parent table. –user3572072 Apr 25 '14 at 8:11 add a comment| 3 Answers 3 active oldest votes up vote 2 down vote accepted The problem is that CONSTRAINT iam_is_group_fk FOREIGN KEY(is_group) REFERENCES Members(group_name); references the table Members on the group_name field. This means that the field is_group on the table GroupMembers must have an identical value on the