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Teradata Cookbook

You're reading from   Teradata Cookbook Over 85 recipes to implement efficient data warehousing solutions

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Product type Paperback
Published in Feb 2018
Publisher Packt
ISBN-13 9781787280786
Length 454 pages
Edition 1st Edition
Languages
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Authors (3):
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Abhinav Khandelwal Abhinav Khandelwal
Author Profile Icon Abhinav Khandelwal
Abhinav Khandelwal
Viswanath Kasi Viswanath Kasi
Author Profile Icon Viswanath Kasi
Viswanath Kasi
Rajsekhar Bhamidipati Rajsekhar Bhamidipati
Author Profile Icon Rajsekhar Bhamidipati
Rajsekhar Bhamidipati
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Toc

Table of Contents (14) Chapters Close

Preface 1. Installation 2. SQLs FREE CHAPTER 3. Advanced SQL with Backup and Restore 4. All about Indexes 5. Mixing Strategies – Joining of Tables 6. Building Loading Utility – Replication and Loading 7. Monitoring the better way 8. Collect Statistics the Better Way 9. Application and OPS DBA Insight 10. DBA Insight 11. Performance Tuning 12. Troubleshooting 13. Other Books You May Enjoy

Insufficient memory to parse this request

One of the most important utilities in the Teradata regime is dbscontrol. Failure 3710 occurs when there is insufficient memory to parse this request, during the optimizer phase.

This happens when the query you are executing crosses the max parser memory size limit defined in dbscontrol. Current values for MaxParseTreeSegs stored in dbccontrol record fields do not allocate enough parser memory to process the request. In this recipe, we will use the dbscontrol parameter to display and change the MaxParseTreeSegs database parameters.

Changing their values without consulting Teradata engineers is not recommended. Each database is designed with these unique values based on the configuration and software version, so, take precautions when you change these values.

Some of the parameters, when changed, require a system...

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