DB2 9 for z/OS

DB2®9forz/OS®isanexcitingnewversion,withmanyimprovementsinperformanceandlittleregression.DB2V9improvesavailabilityandsecurity,aswellasaddsgreatlytoSQLandXMLfunctions.OptimizationimprovementsincludemoreSQLfunctionstooptimize,improvedstatisticsfortheoptimizer,betteroptimizationtechniques