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oracle 与sql serve 获取随机行数的数据
Oracle 随机获取N条数据 当我们获取数据时,可能会有这样的需求,即每次从表中获取数据时,是随机获取一定的记录,而不是每次都获取一样的数据,这时我们可以采取Oracle内部一些函数,来达到这样的目的1) select * from (select * from tablename order b...
分类:数据库   时间:2014-07-22 23:16:15    阅读次数:434
Gold mining in South Africa
A quarry operator in the Libyan needed to expand their crushing and screening plant in order to cope with an increase in chip and sand demand from the...
分类:其他好文   时间:2014-04-30 20:26:27    阅读次数:646
Add Microsoft SQL JDBC driver to Maven(转)
from:http://claude.betancourt.us/add-microsoft-sql-jdbc-driver-to-maven/Add Microsoft SQL JDBC driver to MavenMarch 13, 2012Framework / How-To / Tutor...
分类:数据库   时间:2014-04-30 19:25:22    阅读次数:546
JS调用C#中的变量
今天早上做项目,需要使用JS来得到数据库里面表的行数.经过查找资料,知道可以使用在C#中定义一个全局变量.在JS中调用即可,自己总结一下:供日后参考;public string Str() { string counts = "select * from wx_bu_Menu"...
分类:Web程序   时间:2014-04-30 19:06:24    阅读次数:452
Conceptual blockbusting--chap4 Cultural and Environmental blocks
Cultural blocks1) TaboosPing-pong ball exerciseTaboos can remove entire families of solutions from the ready grasp of the problem-solver. This is not ...
分类:其他好文   时间:2014-04-30 18:17:21    阅读次数:462
14-4-28
$sql = "select * from student ";获取全部数据isset()判断$myaql_connect连接数据库$myaql_close结束连接数据库include(""."")连接页面mysql_query()向与指定的连接标识符关联的服务器中的当前活动数据库发送一条查询mys...
分类:其他好文   时间:2014-04-30 18:09:17    阅读次数:396
使用RMAN DUPLICATE...FROM ACTIVE DATABASE创建物理standby database
Applies to: Oracle Server - Enterprise Edition - Version 11.1.0.6 to 11.2.0.4 [Release 11.1 to 11.2]Information in this document applies to any platfo...
分类:数据库   时间:2014-04-30 15:38:17    阅读次数:624
CMD 下 进入 ORACLE
1.sqlplus /nolog2.connect sys/orcl@ORCL as sysdba3.select sysdate from dualexit;
分类:数据库   时间:2014-04-29 16:42:47    阅读次数:480
不同数据库中两列字段相减(某列有空值)
数据库中两个字段相减(某列有空值)处理方法:sql server中:select (isnull(字段1,0)-isnull(字段2,0)) as 结果 from 表oracle中:select (nvl(字段1,0)-nvl(字段2,0)) as 结果 from 表mysql中:select (i...
分类:数据库   时间:2014-04-29 16:42:46    阅读次数:925
Migration from TF Service to TF Server with the TFS Integration Platform
Are you worried that you will not be able to migrate from http://tfs.visualstudio.com when they start charging for it and you don’t want to pay? Fear ...
分类:其他好文   时间:2014-04-29 10:23:47    阅读次数:496
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