ora 01001 invalid cursor

ORA-00001: violation of unique constraints (.) ORA-00017: Request session to set trace event ORA-00018: exceeds Max sessions ORA-00019: exceeds Max session licenses ORA-00020: exceeds Max processes () ORA-00021: Session is attached to some other

About ORA-01000: maximumopencursorsexceeded problem analysis summary About ORA-01000: maximum open cursors exceeded problem analysis summary Understanding about ora-01000: a point beyond the maximum number of opened cursorsORA-01000: maximum

Understanding about ora-01000: a point beyond the maximum number of opened cursorsORA-01000: maximum open cursors exceededERROR at line 1:ORA-01000: maximum open cursors exceeded Problem Analysis:1. When the cursor is open, an error occurs and no

I often encounter some exceptions in Java. SQL. sqlexception. I collected some previous documents from the Internet and listed them in the original English documents for future debugging!ORA-00904: Invalid column name invalid column nameORA-00942:

Oracle control statement sharing and oracle statement sharing Oracle control statement: ---------- IF statement If... then Action code; Elseif... then Action code; Else Action code; End if; ---------- Loop statement Loop Action code; Exit when

Some java. SQL. sqlexception exceptions are frequently encountered, ORA-00904:Invalid invalid column name ORA-00942:Table or view does not exist table or view does not exist ORA-01400:Cannot insert null into () cannot insert null

I. OverviewExceptions fall into three main categories: predefined exceptions, non-predefined exceptions, custom exceptionsThe processing method is divided into: Direct throw exception, internal block handling exception, cursor handling

Abnormal Oracle Error number Sqlcode value Throw the opportunity Access_into_null ORA-06530 -6530 The program attempts to assign a value to an uninitialized (automatically assigned null) object's

Oracle database exception type and code Exception Oracle Error SQLCODE Value Access_into_null ORA-06530 -6530 Case_not_found ORA-06592 -6592 Collection_is_null ORA-06531 -6531 Cursor_already_open ORA-06511 -6511

Oracle provides three types: pre-defined exceptions, non-pre-defined exceptions, and custom exceptions. Here, l pre-defined exceptions are used to handle common oracle errors; l non-pre-defined exceptions are used Oracle provides three types: