Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

The DICTIONARY tables component is specified in the FROM clause of a SELECT statement. DICTIONARY is a reserved libref for use only in PROC SQL. Data from DICTIONARY tables are generated at run time.

BANGALORE, INDIA: In SQL Server 2008, you can perform insert, update, or delete operations in a single statement using the MERGE statement. MERGE statement allows you to join a data source with a ...