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How to randomly select rows in SQL?
I am using MSSQL Server 2005. In my db, I have a table "customerNames" which has two columns "Id" and "Name" and approx. 1,000 results.
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How to generate the “create table” sql statement for an existing table in postgreSQL
I have created a table in postgreSQL. I want to look at the SQL statement used to create the table but cannot figure it out.
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How to get cumulative sum
...in @t t2 on t1.id >= t2.id
group by t1.id, t1.SomeNumt
order by t1.id
SQL Fiddle example
Output
| ID | SOMENUMT | SUM |
-----------------------
| 1 | 10 | 10 |
| 2 | 12 | 22 |
| 3 | 3 | 25 |
| 4 | 15 | 40 |
| 5 | 23 | 63 |
Edit: this is a generalized...
Naming of ID columns in database tables
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ID is a SQL Antipattern.
See http://www.amazon.com/s/ref=nb_sb_ss_i_1_5?url=search-alias%3Dstripbooks&field-keywords=sql+antipatterns&sprefix=sql+a
If you have many tables with ID as the id you are making reporting that muc...
Wi-Fi 是什么的缩写 - 程序人生、谈天论地 - 清泛IT论坛，有思想、有深度
...例列表。Interbrand 当初提交的十三个方案，除了 Wi-Fi，还包括：
SkybridgeTorchlightFlyoverTranspeedElevateTrapezeDragonflyHornet
在首轮投票中，Wi-Fi 并不是最高分数，分数最高的依次为：Trapeze（飞人）、Dragonfly（蜻蜓）、Hornet（马蜂），Wi-F...
Error in SQL script: Only one statement is allowed per batch
I have 4 sql scripts that I want to run in a DACPAC in PostDeployment, but when I try to build the VS project for 3 of them I get this error:
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How to get sp_executesql result into a variable?
I have a piece of dynamic SQL I need to execute, I then need to store the result into a variable.
10 Answers
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为什么大数据也不能帮你摆脱单身狗的命运？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...式去约呢，比如公司同事(读到一个调查1/3的公司员工，包括上下属约会也占很大比例)，书店(听说高晓松老师刚开的书店还促成了眷侣)，微博(我一个程序员朋友就这样认识他爱人后来结婚了)，甚至微信公众号留言都有可能。。...
Which method performs better: .Any() vs .Count() > 0?
...but if you have part of code that's slow and it uses EF, test with direct TSQL and compare performance rather than relying on assumptions (that .Any() is ALWAYS faster than .Count() > 0).
While I agree with most up-voted answer and comments - especially on the point Any signals developer inten...
SQL how to make null values come last when sorting ascending
I have a SQL table with a datetime field. The field in question can be null. I have a query and I want the results sorted ascendingly by the datetime field, however I want rows where the datetime field is null at the end of the list, not at the beginning.
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