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 BLOG导航

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    ORACLE          Informatica        SQL SERVER       DataWarehouse          Delphi            杂谈

 

========================    华丽分割一下  ================================

ORACLE

类别:SQL、PLSQL开发   性能优化    数据库设计    数据库管理                top

一、SQLPLSQL开发

一个可以提取汉字的函数                                                     发表于 20090720 22:36:00

字符集问题的初步探讨                                发表于 20090720 22:19:00

sql多表连接查询inner join, left join , right join ,full join ,cross join    发表于20090712 20:20:00

Oracle11G新特性——虚拟列                                             发表于20090707 12:42:00

ORACLE获取操作系统目录下文件列表                                 发表于20090706 13:32:00

oraclePLSQL把表数据写到excel的例子(UTL_FILE  发表于20090706 11:23:00

Merge into 详细介绍                                                       发表于20090629 13:29:00

Oracle数据库中表的四种连接方式讲解                                发表于20090628 20:06:00

ORACLE物化视图                                                            发表于20090626 12:36:00

ORACLESEQUENCE                                                    发表于20090626 11:06:00

TO_CHAR(DATE,FORMAT)                                          发表于20090616 15:32:00

oracle count计数的优化                                                   发表于20090612 11:03:00

Oracle 使用LAGLEAD函数统计                                      发表于20090612 10:48:00

oracle lead 使用实践                                                         发表于20090612 10:41:00

OracleSQLPLUS命令使用集合                                        发表于20090608 13:24:00

ORACLE的基本语法集锦                                                     发表于20090608 13:18:00

oracle 常用语句                                                                  发表于20090608 13:03:00

汉字数字混合排序                                                                发表于20090608 12:44:00

OracleDBMS_OUTPUT包产生CSV文件                     发表于20090604 13:50:00

使用WMSYS.WM_CONCAT函数实现行列转换                   发表于20090604 12:55:00

简介:Oracle中的三种Join方法                                             发表于20090603 15:00:00

Oracle 取随机数                                                                  发表于20090527 10:32:00

SQL/PLUS                                                                          发表于20090519 17:57:00

ORACLEz中的字符串比较                                                    发表于20090507 14:57:00

EXISTSINNOT EXISTSNOT IN的区别(ZT)            发表于20090505 12:34:00

oracle existsin                                                                发表于20090505 11:48:00

Oracle中的定时执行任务job                                                发表于20090212 12:56:00

oracle job 脚本                                                                   发表于20090212 10:34:00

NO_DATA_FOUND                                                            发表于20090212 09:44:00

OracleStart with...Connect By子句递归查询                发表于20090210 13:31:00

ORACLE 日期时间转换                                                          发表于20090122 10:59:00

ORACLE NUMBER数据类型                                                 发表于20090115 11:15:00

oraclesql server 日期格式差异                                         发表于20081120 22:27:00

REGEXP_REPLACE                                                             发表于20081105 15:52:00|

如何使用with...as...构造SQL语句                                         发表于20081017 10:15:00

oracle的分析函数over 及开窗函数                                         发表于20080729 15:43:00

TRANSLATEORACLE9里的使用                                        发表于20080724 08:53:00

ORACLE常用傻瓜问题1000                                                发表于20080715 18:08:00

ORACLE之常用FAQ V1.0 (SQL&PL/SQL)                           发表于20080701 09:31:00

sqllike语句详解                                                                    发表于20070807 21:17:00

对字符串的“sum”——Oracle中自定义聚集函数的例子          发表于20070805 10:56:00|

Oracle 11g 新特性详解                                                            发表于20070715 08:55:00

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二、性能优化

Oracle执行计划解释                                                                              发表于20090628 23:31:00

通过执行计划看sql的执行路径                                                                  发表于20090628 22:13:00

Oracle HINT的常见用法                                                                         发表于20090617 15:55:00

索引什么时候不工作                                                                                 发表于20090603 15:30:00

Oracle RBOCBO简介                                                                          发表于20090603 15:25:00

30Oracle语句优化规则详解                                                                  发表于20090603 15:03:00

解释查询计划及查看解释结果                                                                     发表于20090511 13:00:00

使用索引的误区之六:为所有列都建立索引                                                发表于20090511 11:23:00

使用索引的误区之四:空值对索引的影响                                                   发表于20090511 11:21:00

使用索引的误区之五:空值的妙用                                                              发表于20090511 11:21:00

使用索引的误区之三:基于函数的索引                                                       发表于20090511 11:19:00

使用索引的误区之二:使用了 != 操作符,导致查询不使用索引             发表于20090511 11:18:00

使用索引的误区之一:没有使用复合索引的前导列导致查询不使用索引        发表于20090511 11:14:00

Oracle数据库系统性能优化策略                                                                 发表于20090505 11:17:00

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三、数据库设计

数据库设计技巧14                                                     发表于20090621 13:25:00

理解数据库范式(转)                                                  发表于20090109 11:28:00

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四、数据库管理

三招让Oracle表列管理更加简单                                   发表于20090610 20:37:00

Oracle DBA在新环境下必须了解的事情                        发表于20090610 20:33:00

ORACLE 11G HOW TO FIX ORA-01017: invalid username /password;logon denied    发表于20090224 14:46:00

Oracle Grant详解                                                        发表于20090210 13:32:00

查询oracle中的表名及表说明comments                      发表于20081210 09:53:00

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Informatica

ERROR: Partitioning option license required to run sessions with user-defined partition points     发表于20090511 13:45:00

Informatica PMCMD 命令格式                                             发表于20090109 11:50:00

Informatica pmcmd abort workflow的方法                      发表于20090109 11:41:00

执行PMCMD时加载libpmasrt.a 的错误处理                           发表于20090109 11:33:00

提高ETL数据加载效率                                                             发表于20090109 11:24:00

ETL Mapping 走查检验项                                                       发表于20090109 11:22:00

informatica 面试题大全(持续更新)                                      发表于20090109 11:18:00

9个学习Informatica非常好的资源                                           发表于20090109 11:08:00

PowerCenter 7.1.3 ETL UNIX Shell 脚本书写规范               发表于20090109 11:08:00

Informatica8.11 license更新方法                                           发表于20090109 11:05:00

Informatica学习笔记                                                                发表于20090109 10:55:00

Windows下外部程序调用Informatica Workflow的方法         发表于20090109 10:52:00

Informatica 性能调优-                                                          发表于20070815 23:34:00

InformaticaSequence Generator的两个有用的选项          发表于20070815 23:23:00

Informatica元数据库解析                                                        发表于20070815 23:02:00

关于用外部程序调用Informatica Workflow的方法                 发表于20070815 23:01:00

关于Informatica访问网络共享文件夹的说明                             发表于20070815 22:58:00

Informatica客户端连接、服务器RepServer启动问题              发表于20070815 22:55:00

使用LookUp 函数的好处                                                            发表于20070815 22:50:00

Informatica Update 机制详解                                                 发表于20070815 22:33:00

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Sql Server   

SQLSERVER中实现返回汉字笔画数的函数    发表于 20090720 22:37:00

MS SQL Server错误21002:[SQL-DMO]用户"xxx"已经存在 解决方法     发表于2009062414:00:00

SET IDENTITY_INSERT                              发表于20080826 10:15:00

SqlServer Convert 函数应用                         发表于20080715 14:52:00

SQL Server 中多行多列连接成为单行单列      发表于20070805 10:48:00

SQL Server 2005盛宴系列之一:SQL Server 2005产品简介-----学习笔记发表于2007071511:29:00

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DataWarehouse

什么是维度表和事实表                                       发表于20070821 10:00:00

datawarehouse                                             发表于20070821 09:22:00

EAI Vs ETL                                                      发表于20070815 22:44:00

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Delphi

如何判断Edit控件中输入的字符为数字!     发表于20070815 22:24:00

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杂谈

开发人员一定要加入收藏夹的网站        发表于20090614 21:55:00

商业智能常见名词浅释(zhuan)          发表于20090109 11:30:00

vss                                                     发表于20071218 12:27:00

一个程序员如何月进万金的?              发表于20071213 14:40:00

20世纪最好的10个算法                      发表于20071213 13:54:00

什么是SOA                                         发表于20071213 13:23:00

Facebook 详解                                  发表于20071213 12:58:00

DAO                                                   发表于20070831 15:27:00

Ruby简介                                           发表于20070809 22:56:00

RGB颜色对照表                                  发表于20070804 16:56:00

学习.Net的经典网站                           发表于20070801 21:29:00

【转】RAID是什么技术?                  发表于20070801 13:37:00

Ascii -                                         发表于20070729 18:28:00

【转】戴尔致HP总裁的一封信           发表于20070711 20:25:00

C/S结构和B/S结构                           发表于20070425 11:37:00

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