Oracle Database

ORA-00904 Error

ORA-00904: string : invalid identifier

Oracle Invalid Identifier

The ORA-00904 error indicates that the database cannot find a column or identifier referenced in your SQL query. This...

ORA-00942 Error

table or view does not exist

Fix Oracle ORA-00942: Table or View Does Not Exist

ORA-00942 occurs when trying to access a table or view that doesn't exist or the user lacks permissions.

ORA-01017 Error

ORA-01017: invalid username/password; logon denied

Oracle ORA-01017: Invalid Credentials

The ORA-01017 error indicates an authentication failure when connecting to an Oracle database. This typically occurs ...

ORA-01476 Error

divisor is equal to zero

ORA-01476: Divide by Zero

The ORA-01476 error in Oracle Database indicates an attempt to divide a number by zero within a SQL expression. This ...

ORA-02290 Error

ORA-02290: check constraint ( string . string ) violated

Oracle ORA-02290: Constraint Violation

The ORA-02290 error in Oracle Database indicates a check constraint violation. This means the data being inserted or ...

ORA-02291 Error

ORA-02291: integrity constraint ( string . string ) violated - parent key not found

Oracle ORA-02291: Parent Key Missing

The ORA-02291 error in Oracle Database indicates a foreign key constraint violation. This occurs when attempting to i...

ORA-02292 Error

ORA-02292: integrity constraint ( string . string ) violated - child record found

Oracle ORA-02292: Child Record Found

The ORA-02292 error in Oracle Database indicates an attempt to delete a parent record that has existing child records...

ORA-12899 Error

ORA-12899: value too large for column string (actual: string , maximum: string )

Oracle ORA-12899: Value Too Large

The ORA-12899 error occurs when attempting to insert or update data into a column where the value exceeds the column'...

PLS-00103 Error

PLS-00103: Encountered symbol ... when expecting ...

Oracle PLS-00103: Syntax Error

The PLS-00103 error in Oracle Database indicates a syntax error during PL/SQL compilation. The parser encountered an ...

PLS-00201 Error

identifier ' string ' must be declared

Oracle Error PLS-00201

The PLS-00201 error in Oracle Database indicates an attempt to reference an undeclared identifier, such as a variable...