Use user-defined type to combine query logic : Select « Object Oriented « 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 » Object Oriented » Select 
32. 11. 10. Use user-defined type to combine query logic
SQL> create or replace type myScalarType as objectcnt number, average number )
  2  /

Type created.

SQL>
SQL> select username, a.data.cnt, a.data.average
  2    from (
  3      select username, (select myScalarTypecount(*), avg(object_id) ) from all_objects b where b.owner = a.username data from all_users a A
  4  /

USERNAME                         DATA.CNT DATA.AVERAGE
------------------------------ ---------- ------------
SYS                                  6520   5009.74064
SYSTEM                                422   6095.87678
OUTLN                                   7   1172.57143
DIP                                     0
TSMSYS                                  2       8606.5
INV15                                   2      16237.5
DBSNMP                                 46   9592.65217
INV10                                   2      16227.5
CTXSYS                                338   9877.92012
XDB                                   334   10800.7485
ANONYMOUS                               0

USERNAME                         DATA.CNT DATA.AVERAGE
------------------------------ ---------- ------------
MDSYS                                 458   11667.2009
HR                                     34      12104.5
FLOWS_FILES                            11   12717.2727
FLOWS_020100                         1085    12813.424
JAVA2S                                530   16254.6849
INV11                                   2      16229.5
INV12                                   2      16231.5
INV13                                   2      16233.5
INV14                                   2      16235.5
PLSQL                                   0
INV16                                   2      16239.5

USERNAME                         DATA.CNT DATA.AVERAGE
------------------------------ ---------- ------------
INV17                                   2      16241.5
INV18                                   2      16243.5
INV19                                   2      16245.5
INV20                                   2      16247.5
DEFINER                                 4      16250.5

27 rows selected.

SQL>
SQL>
SQL>
32. 11. Select
32. 11. 1. Selecting Rows from the Table with object type column
32. 11. 2. Select an individual column object from a table
32. 11. 3. Querying Rows from the object Table
32. 11. 4. SELECTing Only One Column in the Composite
32. 11. 5. COLUMN Formatting in SELECT for Object
32. 11. 6. ORA-00932: inconsistent datatypes: expected REF
32. 11. 7. Query table column with user defined type
32. 11. 8. Use table function to convert type to a 'table'
32. 11. 9. Create type and use it in inner query
32. 11. 10. Use user-defined type to combine query logic
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.