Date Functions : Introduction « Date Timestamp Functions « 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
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Oracle PL/SQL Tutorial » Date Timestamp Functions » Introduction

13. 1. 4. Date Functions

We must format dates to see all of the information contained in a date column.

We use the TO_CHAR function to do the converting.


SQL> SELECT SYSDATE FROM dual;



SYSDATE

---------

29-MAY-07



SQL>


SQL> SELECT TO_CHAR(SYSDATE, 'ddMONyyyy') Today

  2  FROM dual;



TODAY

---------

29MAY2007



SQL>

13. 1. Introduction
	13. 1. 1.	Using Datetime Functions
	13. 1. 2.	Timestamp-Related Functions
	13. 1. 3.	Time Interval Related Functions
	13. 1. 4.	Date Functions
	13. 1. 5.	LAST_DAY, TO_CHAR, TO_DATE
	13. 1. 6.	select date '1954-08-11' + 10000 as 10,000 days
	13. 1. 7.	Differences Between Dates

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