The Oracle UTL_FILE package is used to read and write operating system text files. Oracle UTL_FILE example CREATE OR REPLACE PROCEDURE cust_file ( url IN VARCHAR2, file IN VARCHAR2) IS test UTL_FILE.FILE_TYPE := UTL_FILE.FOPEN (url, file, 'W'); var VARCHAR2(1500); BEGIN FOR...
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...