DB2 Visual Explain for SQL Application Performance Analysis Courses and other IT courses from TEKsystems Education Services

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Course Code:	RT 530
Course Abstract:	This course gives a brief overview of DB2 SQL performance considerations, including establishing goals for Application SQL performance. We explore the capabilities of Visual Explain that are beyond those of the Explain Plan SQL statement – Filter Factor analysis, Stage1 and Stage2 analysis, number of rows returned. The Visual Explain performance analysis capabilities are used to explore several SQL statements to illustrate the major DB2 data accesses - Table Space scans, Non-Matching and Matching Index scans, Index only access, and understanding sort impact. Extensive, guided workshop sessions give additional insights into performance analysis using Visual Explain. One workshop improves performance of SQL statements via rewriting them.
Audience:	This course is designed for individuals who are experienced Data Processing personnel who need to use IBM’s Visual Explain tool to analyze SQL statements to determine their performance “goodness”.
Duration:	1 day
Learning Outcomes:	Upon completion of this course, the participant will be able to: > Examine Application performance goals > Explain the additional capabilities of Visual Explain that are beyond those of the Explain Plan SQL statement – > Filter Factor analysis, Stage1 and Stage2 analysis, number of rows returned. > Use Visual Explain to discover DB2 SQL Access Paths > Use Visual Explain to discover DB2 SQL Filter Factors > Use Visual Explain to discover whether predicates are Stage 1 (early) or Stage 2 (late) > Use Visual Explain to discover if DB2 SQL access is Table Space (TS) scan or Matching Index (MIS) scan or > Non-Matching Index (NMIS) access or Index Only access > Verify the validity of the number of rows returned Visual Explain > Develop a list of Tuning Tips for DB2 SQL Developers
Course Topics:	Review the capabilities of Visual Explain Walk-thru how Visual Explain examines SQL access paths Use Visual Explain to examine SQL access paths Workshops using Visual Explain Appendices Appendix A – IBM Sample Tables Appendix B – Bibliography Appendix C – EXPLAIN PLAN Statement – PLAN_TABLE and DSN_STATEMNT_TABLE Appendix D – Visual Explain Overview Appendix E – Workshop Exercises
Prerequisites:	At least six months experience using DB2 SQL is needed. Previous DB2 SQL application performance analysis experience will be helpful, but, is not needed.

DB2 Visual Explain for SQL Application Performance Analysis Course

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