Bases de Datos
ORA-00960: ambiguous column naming in select list
Cause: A column name in the order-by list matches more than one select list columns.
Action: Remove duplicate column naming in select list.
ORA-00962: too many group-by / order-by expressions
Cause: The group-by or order-by column list contain more than 1000 expressions.
Action: Use 1000 or less expressions in the group-by or order-by list.
ORA-00964: table name not in FROM list
Cause: The table name referred in the select list is not specified in the from list.
Action: Make sure the name is correctly specified and matches one of the names in the from list.
ORA-00965: column aliases not allowed for '*'
Cause: The statement is trying to alias the * expression in the select list which is not legal.
Action: Remove the alias.
ORA-00976: Specified pseudocolumn or operator not allowed here.
Cause: LEVEL, PRIOR, ROWNUM, CONNECT_BY_ROOT, CONNECT_BY_ISLEAF or CONNECT_BY_ISCYCLE was specified at an illegal location.
Action: Remove LEVEL, PRIOR, ROWNUM, CONNECT_BY_ROOT, CONNECT_BY_ISLEAF or CONNECT_BY_ISCYCLE.