The ANSI SQL function COALESCE is supported ... If a subquery returns no rows, the result of an ANY comparison is false for each row of the outer query. The following example selects all those in ...

Next on the list of new T-SQL functions is TRY_PARSE. The function syntax is TRY_PARSE (string_value AS data_type [USING culture]). This is similar to the PARSE function, except that it returns NULL ...

The outer PROC SQL query retrieves data from the view descriptor ... the subquery must return a single value. In this example, the AVG summary function returns the average salary of employees in the ...

What is an SQL Window Function? A window is a set of rows or observations in a table or result set. In a table, you may have more than one window depending on how you specify the query.

you’re going to use the functions and syntax of those procedural languages. In other words, despite the fact that the motivation for SQL was to use standardized declarative queries, in the real ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...