Tutorial #11:Triggers In PL SQL: Tutorial With Example Programs Tutorial #12:PL SQL Datetime Format: Date and Time Functions In PL/SQL Tutorial #13:Complete Guide To PL SQL Exception Handling With Examples After completing this PL SQL tutorial, you will have a good understanding of the PL/...
A procedure or function is a collection of PL/SQL and SQL statements that can execute a specific task. A procedure can do an action and not compulsorily return a value. But a function will return a value every time. 3. How functions and procedures are called in a PL/SQL block? For ca...
Oracle PL/SQL – FLOOR function example TheFLOOR()function round the specified number down, and return the largest number that is less than or equal to the specified number. FLOOR function examples SELECTFLOOR(1.2)FROMDUAL;-- output : 1SELECTFLOOR(1.5)FROMDUAL;-- output : 1SELECTFLOOR(1.7)...
Function Example: CREATE OR REPLACE FUNCTION get_employee_salary(emp_id IN NUMBER) RETURN NUMBER AS v_salary NUMBER; BEGIN SELECT salary INTO v_salary FROM employees WHERE employee_id = emp_id; RETURN v_salary; END; Error Handling in PL/SQL Error handling is important for building reliable ...
(1) PL/SQL anonymous block (2) FUNCTION (3) LIBRARY (4) PACKAGE (5) PACKAGE BODY (6) PROCEDURE (7) TRIGGER (8) TYPE (9) TYPE BODY PL/SQL units areaffected by PL/SQL compilation parameters (a categoryof database initializationparameters). Different PL/SQL units—for example, a packag...
statements and view or edit the results in a grid. The result grid supports a Query By Example mode to search specific records in a result set. You can easily recall previously executed SQL statements from a history buffer. The SQL editor provides the same powerful features as the PL/SQL ...
Inside a PL/SQL blockAt the schema level, subprogram is a standalone subprogram. It is created with the CREATE PROCEDURE or the CREATE FUNCTION statement. It is stored in the database and can be deleted with the DROP PROCEDURE or DROP FUNCTION statement.A...
Oracle PL/SQL – ACOS function example TheACOS()function returns the arc cosine of input n, the input n must be in the range of -1 to 1. The function will return a value in the range of 0 topi, expressed in radians. ACOS function examples...
Oracle PL/SQL by Example,CourseSmart eTextbook, 5/EBenjamin Rosenzweig
Wherever function calls are permitted, only those calls are allowed. The following is an example of a constructor for a Nested Table DECLARE TYPE dnames_tab IS TABLE OF VARCHAR2(30); dept_names dnames_tab; BEGIN dept_names := dnames_tab('Salary','Sales','Budget','Payroll'); END; ...