The CONNECTION TO component in the FROM clause of a PROC SQL SELECT statement retrieves data directly from a DBMS. The DISCONNECT statement terminates the connection to the DBMS. The following ...

or SAS/ACCESS view with DBMS data. For this example you create a view descriptor, VLIB.ALLEMP, based on SYBASE data. The outer PROC SQL query retrieves data from the view descriptor; the subquery uses ...

I’ll explain this by using examples in DDL ... Fortunately, there are database development tools that can generate correct SQL queries for you, often by dragging and dropping tables and fields ...

Take, for example, the Boston-based startup ... Wanderu is powered by MongoDB, a "NoSQL" database—not by Structured Query Language (SQL) calls against traditional tables and rows.

Different DBMS products implement recursive SQL in different ways. Recursion is implemented in standard SQL-99 using common table expressions (CTEs). DB2, Microsoft SQL Server, Oracle and PostgreSQL ...

Some database vendors also have specific queries; for example, in MySQL, you can use SHOW TABLE STATUS to get stats about all tables, including row counts. With Microsoft T-SQL, there’s the ...