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

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

Progress - Tables

Progress - Queries

Progress – Table property

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

Progress – put it all together