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25. SQL -- TSQL(SELECT语句的使用,子查询,连接,通配符 )(1)
SELECT语句的使用select语句:○5SELECTselect_list○1FROMtable_source○2[WHEREsearch_condition]○3[GROUPBYgroup_by_expression]○4[HAVINGsearch_condition]○6[ORDERBYorder_expresion[ASC|DESC]]SELECT语句执行顺序:A、FROM阶段B、WHERE阶段C、GROUPBY阶段D、HAVING阶..
分类:数据库   时间:2015-03-31 20:19:42    阅读次数:270
25. SQL -- TSQL(SELECT语句的使用,子查询,连接,通配符 )(1)
SELECT语句的使用SELECT语句执行顺序:A、FROM阶段B、WHERE阶段C、GROUPBY阶段D、HAVING阶段E、SELECT阶段F、ORDERBY阶段1)、FROM阶段:FROM阶段标识出查询的来源表,并处理表运算符如果指定了表运算符,还需要按从左到右的顺序,对运算符进行逐个处理。表运算符有4类,JOIN、A..
分类:数据库   时间:2015-03-31 20:19:02    阅读次数:273
Explain about What is User Exits and Customer Exits?
In computer software, a user exit is a place in a software program where a customer can arrange for their own tailor-made program to be called. In the...
分类:其他好文   时间:2015-03-31 19:53:54    阅读次数:165
LeetCode OJ Convert Sorted List to Binary Search Tree
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 之前在Sicily做过,就是实现一个AVL树了。 struct TreeNodeNew { int val; TreeNodeNew *left; Tr...
分类:其他好文   时间:2015-03-31 18:09:23    阅读次数:150
ejb ql 返回object
String sqlStr="select t.car_kind,count(t) from table1 t where t.jb_date='"+jb_date+"' and t.state='"+state+"' and t.sbzt='1' and t.bureau_code='"+ljdm...
分类:其他好文   时间:2015-03-31 17:27:14    阅读次数:137
oracle 运行脚本:character set mismatch
(select bg.sysyear, bg.orgontid, bg.orgname, bg.accvouchercode, bg.accvouchername, ‘‘ as accvoucherprop from gzyt_middle.beginningbalance bg where bg.ledger = ‘02‘ and bg.sysyear = ‘2015‘) union ...
分类:数据库   时间:2015-03-31 13:06:52    阅读次数:429
[LeetCode 36&37] Valid Sudoku & Sudoku Solver (数独问题)
题目链接:valid-sudoku import java.util.Arrays; /** * Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules. The Sudoku board could be partially filled, where empty cells ...
分类:其他好文   时间:2015-03-31 12:52:27    阅读次数:208
数学之路-sas备忘(17)
Writes SAS date values in the form yy>yymmdd or yy>yy-mm-dd, where the x in the format name is a character that represents the special character that separates...
分类:其他好文   时间:2015-03-31 12:49:02    阅读次数:146
【leetcode刷提笔记】Search Insert Position
Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or...
分类:其他好文   时间:2015-03-31 12:15:09    阅读次数:98
SQL递归查询(with cte as)
with cte as( select Id,Pid,DeptName,0 as lvl from Department where Id = 2 union all select d.Id,d.Pid,d.DeptName,lvl+1 from cte c inner jo...
分类:数据库   时间:2015-03-31 12:13:02    阅读次数:184
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