Stergerea unui tabel
Stefanescu Mihai 3 years ago SQL
Acest articol face parte din cursul Toate lectiile SQL.
Te poti inscrie la acest curs aici!
Comanda SQl DROP TABLE este folosita pentru a sterge un tabel impreuna cu toate datele din el .
Sintaxa de baza a acestei comenzi este urmatoarea:
DROP TABLE numeTabel;
Daca va amintiti din lectia precedenta, am creat tabelul angajati care arata in felul urmator:
DESC angajati; +---------+---------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +---------+---------------+------+-----+---------+-------+ | ID | int(11) | NO | PRI | | | | Nume | varchar(20) | NO | | | | | Varsta | int(11) | NO | | | | | Adresa | varchar(255) | YES | | NULL | | | Salariu | decimal(18,2) | YES | | NULL | | +---------+---------------+------+-----+---------+-------+
Deci, am folosit comanda DESC pentru a vedea ca tabelul angajati inca mai este pe server, iar acum putem da comanda de stergere.
DROP TABLE angajati;
Acum, daca incercam iar sa dam comanda DESC pe tabelul angajati primim urmatoarea eroare:
SQL> DESC angajati; ERROR 1146 (42S02): Table 'bdTest.angajati' doesn't exist
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