Understanding Common Techniques for Data Query Optimization and Testing
This chapter covers Objective 2.4 (Explain common techniques for data manipulation and query optimization) of the CompTIA Data+ exam and includes the following topics:
Temporary table in the query set
Subset of records
For more information on the official CompTIA Data+ exam topics, see the Introduction.
This chapter covers query optimization and testing. It provides details related to query optimization, parametrization, indexing, temporary tables in a query set, subsets of records, and execution plans.