Questions tagged as 'db2'

I have the following sentence, my question is: if I want to optimize the response time, should I add the conditions of the Case to the Where? the ordering field of my table is Cedula and there are types of products that interest me, my question...

I try to make a query to a database db2 and there are some columns with "Ñ" that are primary keys, so I must include them. The problem is created when executing db2_exec    Warning: db2_exec (): Statement Execute Failed in Deploy_Tabla.php   ...