h1

SQL Wildcards

November 1, 2009

Sunt folositi cand cauta date in baza de date. Sunt folositi cu operatorul LIKE

 

Nume_wildcard   Descriere

%                                 inlocuitor pt. 0 sau mai multe caractere

_                                 inlocuitor pt.exact un caracter

[a-z]                          in domeniul a-z un fel de expresie regulata

[^a-d]                     care nu se afla in domeniul a-d un fel de expresie regulata

 

Exemple:

wildcards

 

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: