Timestamp-Related 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
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
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Oracle PL/SQL Tutorial » Date Timestamp Functions » Introduction 
13. 1. 2. Timestamp-Related Functions
FunctionDescription
CURRENT_TIMESTAMP()Returns a TIMESTAMP WITH TIME ZONE containing the current session time along with the session time zone.
EXTRACT({ YEAR | MONTH | DAY | HOUR | MINUTE | SECOND } | { TIMEZONE_HOUR | TIMEZONE_MINUTE } | { TIMEZONE_REGION | } TIMEZONE_ABBR ) FROM x)Extracts and returns a year, month, day, hour, minute, second, or time zone from x; x may be one of the timestamp types or a DATE.
FROM_TZ(x, time_zone)Converts the TIMESTAMP x and time zone specified by time_zone to a TIMESTAMP WITH TIMEZONE.
LOCALTIMESTAMP()Returns a TIMESTAMP containing the current time in the session time zone.
SYSTIMESTAMP()Returns a TIMESTAMP WITH TIME ZONE containing the current database time along with the database time zone.
SYS_EXTRACT_UTC(x)Converts the TIMESTAMP WITH TIMEZONE x to a TIMESTAMP containing the date and time in UTC.
TO_TIMESTAMP(x, [format])Converts the string x to a TIMESTAMP. You may also specify an optional format for x.
TO_TIMESTAMP_TZ(x, [format])Converts the string x to a TIMESTAMP WITH TIMEZONE. You may also specify an optional format for x.


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
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.