Tuning SQL Statement #2
Atul Singh
April 26, 2016
Tuning SQL Statement #1....... Tuning SQL Statement #3....... • The UNION statement performs the equivalent of a SELECT DISTINCT on t...
Tuesday, April 26, 2016
Monday, April 25, 2016
Tuning SQL Statement #1
Atul Singh
April 25, 2016
• Try to use explicit columns and try to read columns in index orders if possible, even to the point of reading indexes and not tables....
Sunday, April 24, 2016
Suppress Warnings - A Quick DataStage Recipe
Atul Singh
April 24, 2016
Recipe: How to suppress job warnings in DS job log HowTo: Add "rule" in Message Handler Method: From DS Director, f...
Tuesday, April 19, 2016
Shell Script Scenario #8 - Odd and Even No
Atul Singh
April 19, 2016
Write a shell script to find whether an input integer is even or odd. Like the below page to get update https:/...
Monday, April 18, 2016
Best book for Linux Shell Scripting - Intermediate User
Atul Singh
April 18, 2016
Today, I am gonna share my secret of Linux Scripting. The book, shared below, is core responsible for my shell scripting technique and ease...
10 Scenario based Interview Questions #2 - DataStage
Atul Singh
April 18, 2016
11. Design a job which insert the data if not exists and update if exists in target 12. Design a job which includes a header and footer i...
Wednesday, April 13, 2016
ETL Code Review Checklist
Atul Singh
April 13, 2016
Guideline Design jobs for restartability/ if not designed then what is the reason ? Do not follow Sequential File s...
Tuesday, April 12, 2016
Export DataStage job log from Director Client
Atul Singh
April 12, 2016
These steps are not for exporting log for more than 3-5 jobs as these are manual steps and need to repeat for each job (Yes, each job indi...
Sunday, April 10, 2016
5 Tips For Better DataStage Design #12
Atul Singh
April 10, 2016
1. Minimum number of sort stages should be use in a datastage job. “Don’t sort if previously sorted” in sort Stage, this option should be ...
Monday, April 4, 2016
DataStage Scenario #16 - Cross duplicate Removal
Atul Singh
April 04, 2016
Need to remove duplicate where source or destination can be switched. Input: source destination distance cit...
Friday, April 1, 2016
jupyter notebook tip #1
Atul Singh
April 01, 2016
How we can start jupyter notebook from a specific directory? Below, I am sharing a very tiny batch (and linux shell) script which will k...
