The Oracle DBMS_OUTPUT package enables you to send messages from stored procedures, packages, and triggers. DBMS_OUTPUT contains the following procedures: DISABLE, ENABLE, GET_LINE, GET_LINES, NEW_LINE, PUT, PUT_LINE. DBMS_OUTPUT.PUT_LINE DECLARE c varchar2(200):= 'This is a DBMS_OUTPUT.PUT_LINE test'; BEGIN DBMS_OUTPUT.PUT_LINE (c); END; Result:...
Oracle DBMS_ALERT is a built-in package provided by Oracle Database that allows communication and notification between database sessions. It enables one session to send alerts or notifications to other sessions within the same database instance. This feature is particularly useful in...
Alias Column – the alias is used to temporarily rename a column. All – compares a value with every value in a list or returned by a query. AND – returns TRUE if both component conditions are TRUE. Between – determines...
The Oracle AND operator returns TRUE if both component conditions are TRUE. Returns FALSE if either is FALSE; Oracle AND example Select * From tutorials Where author = 'STEVE' AND title Like '%SQL%' Select * From books Where price >= 10...
The Oracle WITH clause is used to specify common table expressions. Oracle WITH example With j As (Select s1.product_id, avg(s1.amount) avg_amount From sales s1 Group By s1.product_id) Select s2.seller_id, s2.product_name, s2.unit Join j Using (product_id) Where s2.amount > j.avg_amount;...
