Query dba_extents for segment name : dba_extents « System Tables Data Dictionary « 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 » System Tables Data Dictionary » dba_extents 
30. 30. 2. Query dba_extents for segment name
SQL>
SQL> COLUMN    segment_name FORMAT a15
SQL> SELECT    segment_name, segment_type, COUNT(*), SUM(bytes)
  2  FROM      dba_extents
  3  WHERE     segment_name IN
  4            ('COL$', 'DEPENDENCY$', 'ERROR$', 'IDL_CHAR$',
  5             'IDL_SB4$', 'IDL_UB1$', 'IDL_UB2$', 'LINK$', 'OBJ$',
  6             'OBJAUTH$', 'SOURCE$', 'SYSAUTH$', 'TRIGGER$',
  7             'TRIGGERCOL$', 'USER$')
  8             and rownum < 50
  9  GROUP BY  segment_name, segment_type
 10  ORDER BY  segment_type, segment_name;

SEGMENT_NAME    SEGMENT_TYPE         COUNT(*SUM(BYTES)
--------------- ------------------ ---------- ----------
OBJ$            TABLE                      17    2097152
OBJAUTH$        TABLE                       2     131072
SOURCE$         TABLE                      30   15728640

SQL>
SQL>
30. 30. dba_extents
30. 30. 1. Join dba_extents and dba_rollback_segs
30. 30. 2. Query dba_extents for segment name
30. 30. 3. Query DBA_EXTENTS for Extent number in the segment, Starting block number for the extent, Size of the extent in bytes, Size of the extent, in Oracle blocks
30. 30. 4. Query DBA_EXTENTS for Name of the segment, Type of segment (ex. TABLE, INDEX)
30. 30. 5. Query DBA_EXTENTS for Tablespace name,Owner of the segment
30. 30. 6. Log dba_extents
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.