Storing PL/SQL function in the Database : Function « Function Procedure Packages « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial

1.	Introduction
2.	Query Select
3.	Set
4.	Insert Update Delete
5.	Sequences
6.	Table
7.	Table Joins
8.	View
9.	Index
10.	SQL Data Types
11.	Character String Functions
12.	Aggregate Functions
13.	Date Timestamp Functions
14.	Numerical Math Functions
15.	Conversion Functions
16.	Analytical Functions
17.	Miscellaneous Functions
18.	Regular Expressions Functions
19.	Statistical Functions
20.	Linear Regression Functions
21.	PL SQL Data Types
22.	PL SQL Statements
23.	PL SQL Operators
24.	PL SQL Programming
25.	Cursor
26.	Collections
27.	Function Procedure Packages
28.	Trigger
29.	SQL PLUS Session Environment
30.	System Tables Data Dictionary
31.	System Packages
32.	Object Oriented
33.	XML
34.	Large Objects
35.	Transaction
36.	User Privilege

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Oracle PL/SQL Tutorial » Function Procedure Packages » Function

27. 1. 4. Storing PL/SQL function in the Database


create [or replace]

function function name (parameters)

return ...

is

 ...

begin

 ...

end;


SQL> create or replace

  2  function getArea (i_rad NUMBER)

  3     return NUMBER

  4  is

  5      v_pi NUMBER:=3.14;

  6  begin

  7     return v_pi * (i_rad ** 2);

  8  end;

  9  /



Function created.



SQL>

27. 1. Function
	27. 1. 1.	Functions
	27. 1. 2.	Describe a user-defined function
	27. 1. 3.	create or replace FUNCTION iifn(boolean_expression in BOOLEAN,true_number IN NUMBER,false_number IN NUMBER)
	27. 1. 4.	Storing PL/SQL function in the Database
	27. 1. 5.	Create a simple function
	27. 1. 6.	Creating a Function to deal with business rules
	27. 1. 7.	CREATE OR REPLACE a function
	27. 1. 8.	Calling a Function
	27. 1. 9.	Calling a Function for a table
	27. 1. 10.	Function without parameters
	27. 1. 11.	Exit a function
	27. 1. 12.	How to Call a Function from PL/SQL With or Without Parameters
	27. 1. 13.	Local Subprograms
	27. 1. 14.	Dependency Example
	27. 1. 15.	The FullName Function
	27. 1. 16.	PLW-05005: function NO_RETURN returns without value at line 21
	27. 1. 17.	Use function to check passwords

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