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Programming Microsoft Dynamics 365 Business Central

You're reading from   Programming Microsoft Dynamics 365 Business Central Build customized business applications with the latest tools in Dynamics 365 Business Central

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Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781789137798
Length 536 pages
Edition 6th Edition
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Authors (3):
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Christopher D. Studebaker Christopher D. Studebaker
Author Profile Icon Christopher D. Studebaker
Christopher D. Studebaker
David Studebaker David Studebaker
Author Profile Icon David Studebaker
David Studebaker
Marije Brummel Marije Brummel
Author Profile Icon Marije Brummel
Marije Brummel
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Toc

Table of Contents (12) Chapters Close

Preface 1. Introduction to Business Central FREE CHAPTER 2. Tables 3. Data Types and Fields 4. Pages - The Interactive Interface 5. Queries and Reports 6. Introduction to AL 7. Intermediate AL 8. Advanced AL Development Tools 9. Successful Conclusions 10. Assessments 11. Other Books You May Enjoy

The SETCURRENTKEY procedure

The syntax for SETCURRENTKEY is as follows:

[BooleanValue :=] Record.SETCURRENTKEY(FieldName1,[FieldName2], ... )                  

Because Business Central is based on the SQL Server database, SETCURRENTKEY simply determines the order in which the data will be presented for processing. The actual choice of the index to be used for the query is made by the SQL Server Query Analyzer. For this reason, it is very important that the data and resources available to the SQL Server Query Analyzer are well maintained. This includes maintaining the statistics that are used by the Query Analyzer, as well as making sure that efficient index options have been defined. Even though SQL Server picks the actual index, the developer's choice of the appropriate SETCURRENTKEY parameter can have a major affect on performance.

The fields that are used in the SETCURRENTKEY command do not have to match a key in the table definition. You can also use FlowFields as fields for...
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