摘要:
var tab=document.getElementById("table1"); var rows=tab.rows; //alert(rows.length); var txt = "["; for(var i=2;i<rows.length;i++) { var r = "["; f... 阅读全文
摘要:
1 SELECT 2 A.型号, 3 NVL(B.领用个数SUM,0) AS 共领料, 4 NVL(C.入库数量SUM,0) AS 共入库, 5 FROM 型号表 A 6 LEFT JOIN ( 7 SELECT SUBB.型号,SUM(SUBB.领用个数) AS 领用个数SUM 8... 阅读全文
摘要:
URI uri = new URI("https://www.baidu.com/"); Desktop desktop = null; if (Desktop.isDesktopSupported()) { desktop = Desktop.getDesktop(); } if (de... 阅读全文
摘要:
环境:MySQL 5.1RedHat Linux AS 5JavaSE 1.5DbConnectionBroker 微型数据库连接池测试的方案:执行10万次Insert语句,使用不同方式。A组:静态SQL,自动提交,没事务控制(MyISAM引擎)1、逐条执行10万次2、分批执行将10万分成m批,每批... 阅读全文