CRITICAL
Rule Definition
Whenever a function is used in a WHERE clause and takes a indexed column as a function parameter, the database engine might be unable to take advantage of the index, leading to very poor performance.
Related Technologies
DB2 Server
Forms
.Net
Cobol
PL/SQL
JEE
Sybase T-SQL
DB2 z/OS
Technical Criterion
Efficiency - SQL and Data Handling Performance
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