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 ...
Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier. Due to popular demand, we’re ...
alias specifies an alias for table-name. sql-expression is described in sql-expression. table-name can be one of the following: the name of a PROC SQL table. the name of a SAS data view. a ...
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