1. Visual Database Optimization Team Clint Johnson, Sunpreet Jassal, Thanh Nguyen-Huynh & Masamichi Sugihara. 10 Nov, 2006

2. Databases Optimization Optimize database? Indexes Queries User objectives: Identify Table: indexes, size, structure Queries: execute time, indexes

3. Progress - Tables

4. Progress - Queries

5. Progress – Table property

6. NameTable 1Table 2Table 3Table 4Table 5 Index type ■ ■ ■ ■■ ■ ■ ■■ ■■ ■■■ ■ ■■ ■ ■■ ■■ ■ Queries10080209050 Time (ms)2.001.200.201.401.00 Size1000800200900500 Table property Name: Table 1 Indexes: Columns: Column 1, Column2, Column 3 B-tree Hash GIN GIST Filter Name:________ ～ ________ Index type: ■ ■ ■ ■ Queries:________ ～ ________ Time :________ ～ ________ Size :________ ～ ________

7. Progress – put it all together