Oracle Consulting Oracle Training Oracle Support Development
Home
Catalog
Oracle Books
SQL Server Books
IT Books
Job Interview Books
eBooks
Rampant Horse Books
911 Series
Pedagogue Books

Oracle Software
image
Write for Rampant
Publish with Rampant
Rampant News
Rampant Authors
Rampant Staff
 Phone
 800-766-1884
Oracle News
Oracle Forum
Oracle Tips
Articles by our Authors
Press Releases
SQL Server Books
image
image

Oracle 11g Books

Oracle tuning

Oracle training

Oracle support

Remote Oracle

STATSPACK Viewer

Privacy Policy

 

   
  SQL Server Tips by Burleson

Named parameters

All the examples already described have the parameters passed in the same order as they appear when calling the XP. That is called passing parameters by location but it is also possible to pass parameters by name.

One detail about ODS is that it keeps track of parameters by their ordinal position but it does not mean that named parameters are not possible. The ordinal position for each parameter is fixed and instead it can be retrieved from the parameter’s name using srv_paramnumber. Instead of using hard coded numbers for each parameter, variables will store the parameter’s ordinal.

Validating the input has a new step, after verifying the number of parameters entered, the parameter names are used in the ODS function srv_paramnumber, trying to locate their position. If a parameter name is not found its position is zero; in this particular code, all parameters are compulsory and an error message is generated if one or more are missing. The positions are stored in variables that will provide access to the parameters.


The above book excerpt is from:

Super SQL Server Systems
Turbocharge Database Performance with C++ External Procedures

ISBN: 0-9761573-2-2
Joseph Gama, P. J. Naughter

 http://www.rampant-books.com/book_2005_2_sql_server_external_procedures.htm  

Linux Oracle commands syntax poster

ION Oracle tuning software

Oracle data dictionary reference poster



Oracle Forum

BC Oracle consulting support training

BC remote Oracle DBA   

 

   

 Copyright © 1996 -2016 by Burleson. All rights reserved.


Oracle® is the registered trademark of Oracle Corporation. SQL Server® is the registered trademark of Microsoft Corporation. 
Many of the designations used by computer vendors to distinguish their products are claimed as Trademarks
 

Hit Counter