SQL语句txt 的相关内容

文章 2014-10-14 来自：开发者社区

[20141013]奇怪的sql语句.txt

[20141013]奇怪的sql语句.txt --今天看生产系统执行计划,发现很奇怪.好在以前遇到类似的问题,很快定位,不过还是要求开发修正程序. --那scott.emp表来说明: select * from emp where empno = 7369 and          ename='SMITH'; --注...

文章 2013-06-28 来自：开发者社区

[20130628]sql语句显示不全的问题.txt 今天在优化一条sql语句的时候遇到一个怪问题，sql语句显示有问题，仔细查看才想起来以前看itpub的一本书上讲过，老杨遇到的问题，语句里面仅仅含有0d（十六进制）编码，自己为了加深印象，做一个测试例子：SQL> @verBANNER----------------------------------------------------....

文章 2013-02-27 来自：开发者社区

[20130226]跟踪特定IP的sql语句.txt

[20130226]跟踪特定IP的sql语句.txt工作需要,跟踪特定IP地址发出的sql语句.可惜我们生产系统是10g的,如果是11G支持trcsess可以合并trc文件,再分析.自己做一个测试看看.http://space.itpub.net/267265/viewspace-7540031.建立logon触发器:CREATE OR REPLACE TRIGGER SYS.on_logon_....

文章 2012-11-01 来自：开发者社区

[20121101]tkprof抽取sql语句.txt

[20121101]tkprof抽取sql语句.txt 有时候跟踪分析sql语句,并不是要看里面的递归的执行,或者性能问题.而是要收集跟踪命令的执行序列. 查看tkprof的帮助: Usage: tkprof tracefile outputfile [explain= ] [table= ] &nbs...

文章 2012-09-19 来自：开发者社区

[20120919]利用v$sql的FORCE_MATCHING_SIGNATURE简单确定没有绑定的sql语句.txt

[20120919]利用v$sql的FORCE_MATCHING_SIGNATURE简单确定没有绑定的sql语句.txt 接链接: http://space.itpub.net/267265/viewspace-743928 按照上面的理解: 利用v$sql的FORCE_MATCHING_SIGNATURE可以简单确定没有绑定的sql语句. 当然会遗漏一些像这种情况的绑定语句.(绑定与常量混用的....

文章 2012-03-01 来自：开发者社区

[20120229]无效sql语句与shared pool的问题.txt

昨天遇到一些程序的bug，因为查询要显示1年的信息，因为2011年没有2月29号，导致查询出错。由此想到另外的问题，如果查询存在这些语句，会保留在共享池吗？自己做了一个测试：SQL> select * from v$version; BANNER ------------------------------------------------------------------------....

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