Windows. Linux. Wordpress. Joomla. GIMP. Inkscape. Reparaciones.

Quizzes de desarrollo web

Clock
Minutes
Seconds
SQL stands for "Structured Query Language".

There are different versions of the SQL language.

Querying directly from a table takes more time than querying from a view.

AVG() returns the average of a numeric column.

Indexes allow the database application to find data slowly.