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29 paź 2013 · WITH abc AS( select ......) WITH XYZ AS(select ....) /*This one uses "abc" multiple times*/. Select .... /*using XYZ multiple times*/. I can make the query work by repeating the same query multiple times, but do not want to do that, and leverage "WITH AS".
The WITH clause, or subquery factoring clause, is part of the SQL-99 standard and was added into the Oracle SQL syntax in Oracle 9.2. The WITH clause may be processed as an inline view or resolved as a temporary table.
11 wrz 2024 · The PL/SQL WITH clause is a powerful feature that enhances the readability and performance of your SQL queries. It allows you to define temporary result sets, which can be referenced multiple times within a single query.
The WITH clause in Oracle PL/SQL, also known as a Common Table Expression (CTE), is a powerful feature that allows you to define a temporary result set within the scope of a single SQL statement. It enhances the readability and maintainability of complex SQL queries by breaking them into modular, named subqueries.
The declaration section of the WITH clause can be used to define PL/SQL functions, as shown below. WITH. FUNCTION with_function(p_id IN NUMBER) RETURN NUMBER IS. BEGIN. RETURN p_id; END; SELECT with_function(id) FROM t1. WHERE rownum = 1. / WITH_FUNCTION(ID)
embed PL/SQL code directly in your queries... I guess they should call it SQL/PL for consistency, so we can have "WITH {subquery factoring clause}" and "WITH {plsql_declaration}".
Is there a way to execute multiple operations using the WITH statement? Something like WITH T AS ( SELECT * FROM Tbl ) BEGIN OPEN P_OUTCURSOR FOR SELECT * FROM T; SELECT COUNT(*) INTO P_OUTCOUNT FROM T; END;
