For most people troubleshooting SQL query performance problems is a necessity rather than a preference. Very often they are using a trial and error strategy to overcome those frustrating situations. U...
Hola a todos, hoy quiero compartir con ustedes que se han cumplido 2 años del proyecto que ha iniciado Vincent Morneau del Tema Material APEX. Vincent nos cuenta que hace 2 años empezó este proyecto ...
Query statements MUST return the ROWID to be updatable. For example: select * from employee where salary > 2000 would not be updatable, whereas:
select employee.*, rowid from employee where salary >...
