Avoid SQL queries on XXL Tables that no index can support (AllTechno) | CAST Appmarq

Avoid SQL queries on XXL Tables that no index can support (AllTechno)

CRITICAL

Rule Definition
SQL Queries that do not use table indexes are extremely dangerous for the application's performance. Indeed, each execution of the query will result in a full table scan which is extremely time consuming especially if the table contains an extremely large amount of data (XXL table).

Related Technologies

Health Factor

  Total Quality Index


Technical Criterion
Efficiency - SQL and Data Handling Performance

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Benchmark Statistics

Global Compliance

96.48%

Total Violations
37
Total Opportunities
1,051
Average Violations / App.
1.85
The compliance score represents 1 minus the ratio between the number of times a rule has been violated compared to the number of opportunities in a set of applications that the rule could have been violated.

Industry Insights

Financial Services

86.67%

Telecommunications

98.75%

IT & Business Consulting

90.36%