Structured Query Language 1 Introduction to SQL What is SQL? – When a user wants to get some information from a database file, he can issue a query. – A query is a user–request…
1. Structured Query Language 2. 1 Introduction to SQLWhat is SQL?– When a user wants to get some informationfrom a database file, he can issue a query.– A query is a…
1. Structured Query Language 2. 1 Introduction to SQLWhat is SQL?– When a user wants to get some informationfrom a database file, he can issue a query.– A query is a…