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Sqlite基础及其与SQLServer语法差异
1 TOP 这是一个大家经常问到的问题,例如在SQLSERVER中可以使用如下语句来取得记录集中的前十条记录: SELECT TOP 10 * FROM [index] ORDER BY indexid DESC; 但是这条SQL语句在SQLite中是无法执行的,应该改为: SELECT * FRO...
分类:数据库   时间:2014-09-24 20:07:27    阅读次数:194
oracle中简单查询语句的格式及执行顺序分析
一条简单的查询sql格式如下: SELECT ... FROM .... [WHERE ...] --过滤单行 [GROUP BY ... [HAVING ...]]--GROUP BY对前面where条件过滤后的结果进行分组,HAVING过滤行组 [ORDER BY ...]--对结...
分类:数据库   时间:2014-09-24 10:48:26    阅读次数:239
Credit Summaries & Importing External Credit Exposure
In this Document   Goal   Solution APPLIES TO: Oracle Order Management - Version 11.5.10.2 to 12.1.3 [Release 11.5.10 to 12.1] Information in this document app...
分类:其他好文   时间:2014-09-24 00:37:15    阅读次数:390
EBS 信用检查(二)
Credit checking feature of Oracle OM provides the ability to check that the customer has sufficient credit available with the organization at the point of order booking ,picking, packing and shipping....
分类:其他好文   时间:2014-09-23 23:38:15    阅读次数:321
组合排列
InputInput contains a single line with all labels of the requested goods (in random order). Each kind of goods is represented by the starting letter o...
分类:其他好文   时间:2014-09-23 22:46:45    阅读次数:161
二叉树的层序遍历
原题: Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example: Given binary tree {3,9,20,#,#,15,7}, 3 / 9 ...
分类:其他好文   时间:2014-09-23 20:29:17    阅读次数:243
标记1236
1111 ,'item_id' => 1, 'pro_id' => 1, 'pro_name' => 1111 ,'buy_num' => 5),Array ( 'order_id' => 1111 ,'item_id' => 2 ,'pro_id' => 2 ,'pro_name' => 222....
分类:其他好文   时间:2014-09-23 20:25:35    阅读次数:202
latch: cache buffers chains故障处理总结
故障分析思路 查看等待事件,判断故障起因SQL>select * from (select sid,event,p1,p2,p3,p1text,WAIT_TIME,SECONDS_IN_WAIT from v$session_wait where wait_class# 6 order by wa....
分类:其他好文   时间:2014-09-23 19:02:55    阅读次数:167
【MongoDB】The high query operation of MongoDB(三)
1, Sort  Needless to say, mongodb also support to sort data. THe positive one means sorting by asc order and negetive means by desc. 2. Group The grammar of group: Description Of Argument:...
分类:数据库   时间:2014-09-23 02:47:33    阅读次数:267
Java实例对象间的比较(实现Comparable接口)
intcompareTo(To)Compares this object with the specified object for order. Returns a negative integer, zero, or a positive integer as this object is le...
分类:编程语言   时间:2014-09-22 23:21:13    阅读次数:173
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