Example: Using a CHECKPOINT - Advanced SQL Engine - Teradata Database

SQL Data Manipulation Language

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2021-01-23
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B035-1146
lifecycle
previous
Product Category
Teradata Vantage™

You should specify the CHECKPOINT option for long operations and for workloads containing many SQL requests that must be analyzed. The checkpoint_trigger value indicates the frequency with which a checkpoint is taken. After every checkpoint_trigger number of SQL requests, a checkpoint is taken and completed IndexRecommendation information is saved in the AnalysisLog table in the QCD.

     INITIATE INDEX ANALYSIS ON table_1
     FOR MyWorkload
     IN MyQCD
     AS table_1Index
     SET IndexesPerTable = 2
     KEEP INDEX
     CHECKPOINT 10;