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ORA-01001: invalid cursor error occurs when you tried to reference a cursor that does not yet exist.
A few scenarios...
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ORA-01000: maximum open cursors exceeded.Each user session can open multiple cursors up to the limit set by the initialization...
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Oracle: ORA-02449: unique/primary keys in table referenced by foreign keys
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‘ORA-02292: integrity constraint violated – child record found’ error occurs when we try to delete a row from a...
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ORA-02291: integrity constraint violated – parent key not found error occurs when we try to insert a row in...
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The error ORA-01722: invalid number is caused while encountering non numeric data(‘characters) when numeric data is expected.
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This error occurs due to an arithmetic, numeric, string, conversion problem.
This normally displayed as ORA-06502: PL/SQL: numeric or value...
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ORA-06512
This is a Back trace error message.This normally displayed as ORA-06512: at line (linenumber).The below give example is a...
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The error ORA-12154: TNS:could not resolve the connect identifier specified occurs when the listener could not resolve SERVICE_NAME specified...
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ORA-01882: TIMEZONE REGION NOT FOUND. This error occurs when timezone region string not found.The specified region name was not...
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