S.d.O. Servizi di Organizzazione
Blog su programmazione ed organizzazione.
Create a new GUID() Use the mysql function UUID(). Example: Reset AutoIncrement Counter Set AUTO_INCREMENT for the Table to the desired value (must be bigger than the biggest current value in the table, for innodb tables). Example:
There are situations in which we would like to group values of multiple rows in just one field. Consider this little example in which we have three tables (cars, colors and link table) and we would like to have a query with all the cars in the first column, and all the colors in which…