Update Statement Fails With ORA-2070(semijoin)
(Doc ID 2710866.1)
Last updated on APRIL 17, 2023
Applies to:
Oracle Database - Standard Edition - Version 12.2.0.1 to 19.10.0.0.0 [Release 12.2 to 19]Oracle Database - Enterprise Edition - Version 12.2.0.1 to 19.10.0.0.0 [Release 12.2 to 19]
Information in this document applies to any platform.
Symptoms
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Update statement fails with ORA-2070 when optimizer choose semijoin strategies.
Error Message:
ORA-02070: database MYSELF does not support semijoin in this context
ORA-02070: database MYSELF does not support semijoin in this context
Changes
The update statement might be failed with ORA-2070 when following situation.
- The DML(update statement) uses UNION ALL clause
- The DML(update statement) joins the remote tables
- The optimizer choose semijoin strategies
- OPTIMIZER_FEATURES_ENABLE is 12.2.0.1 or later
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |