Desarrollo con PHP y Java. Diseño gráfico con GIMP e Inkscape.

Quizzes de desarrollo web

This query is correct: SELECT column1 FROM table1 UNION SELECT column2 FROM table2;

A NOT NULL constraint can accept NULL values.

The DEFAULT constraint inserts a default value into a column.

A VARCHAR can store up to 512 characters.

RDBMS stands for "Reunified Database Management System".