... data, 31 7 31 8handling statements, 31 5 31 6locking, 31 6 31 7minimizing data requests, 31 3 31 4transactions, 31 6 31 7optimizing tables, 30 9 31 0Query Optimizer, 31 0 31 2server options, 30 8 30 9table ... performanceJDBCbatching, 31 6consistent connections, 31 4 31 5defining architecture, 31 7getting data, 31 7 31 8handling statements, 31 5 31 6locking, 31 6 31 7minimizing data requests, 31 3 31 4transactions, 31 6 31 7optimizing ... database,1 23 loops, 133 – 134 placeholders, 134 – 136 running, 128source code, 125–127submit type, 129– 130 updating data, 132 – 133 test architecture, 32 1 32 3SESSION_USER() function, 39 6session...