The result of an EXISTS condition is true if the subquery resolves to at least one row. The result of a NOT EXISTS condition is true if the subquery evaluates to zero rows. For example, ... proc sql; ...

A common select operation is to get one or more members that meet a specified condition. Both SQL and SQL can handle such a select operation well. SQL uses WHERE sub statement to achieve the ...

AS SELECT column_name AS 'Alias' FROM table_name; Rename a column or table using an alias CASE SELECT column_name, CASE WHEN condition THEN 'Result_1' ELSE 'Result_2' END FROM table_name; Create ...

Recently, Google announced the general availability (GA) of IAM Conditions and Tags for Cloud SQL, a fully-managed relational database service for MySQL, PostgreSQL, and SQL Server.

Each predicate resolves to true if the sql-expression's result is missing and false if it is not missing. SAS stores a numeric missing value as a period (.) and a character missing value as a blank ...