Author: SSWUG Research

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EXPLAIN Plan Workaround

(Jaromir Nemec) The general rule for performing an explain plan is that you can perform the explain plan only if you have sufficient privileges to execute the statement. It means with only read rights you cannot explain, for example, an INSERT statement or any other DML statement.

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Monitoring DB2

(Philip Gunning) Regardless of how well a RDBMS performs, the monitoring of SQL statements and resources is required to ensure continued good performance and to identify problem areas. Using the information gathered, adjustments can be made to instance and database configuration parameters, physica

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Track Table Fragmentation Script

(Ralph Clark) Here’s a diagnostic table and stored procedure to track the fragmentation of large tables within databases. The user passes the database name and the table name as parameters to the SP. The SP can be set up to run as a scheduled job every few hours to produce a historical trend of frag