The case may be one of the most misused keywords in SQL. Although you may have used this keyword before to create a field, it has more usage. For example, you can use the case in the WHERE clause.
First let's take a look at the syntax of the case. In a general SELECT, the syntax is as follows:
SELECT CASEWHEN WHEN EL
Label:PIVOT syntax. SELECT [First pivot column] as [Second pivot column] as ... [Last Pivot column] as From ( Aliases for as PIVOT ( For [ In ([First pivot column], [Second pivot column], ... [last pivot column]) ) as SELECT * FROM StudentPivot (max (score) for project in ([Language],[Math],[Foreign Language]) as Pvt SQL Server row to column small case
--------------------------------------------------------------------------------------------------------------- -------------------1. File Header page:2. Page Free Space page:3. GAM:If the corresponding area is occupied corresponding to the bit is 0, if the area is not occupied corresponding to the bit is 1, each GAM can cover 4GB of data every 511 230 pages will have a GAM page.4, SGAM:If each page in the zone is occupied by the corresponding bit is 0, if the page is not occupied the correspond
Tags: des style class C a colorWhen you synchronize an Oracle table to SQL Server, you may experience this error when you apply data on the SQL Server side. 2014-05-17 17:20:24 WARNING OGG-01154 SQL error-2147217887 mapping Applsys. Fnd_flex_validation_rules to dbo. Fnd_flex
Due to the previous period of stomach pain, the blog Park blog has been stopped more than one months or so. In recent days, stomach trouble finally slightly improved, decided to re-write blog post.A few days ago, a friend just asked me about the SQL statement, roughly the original table has two columns, respectively, the month, the month sales, and the need for a SQL statement to achieve the statistics of e
Tags: style blog color strong file data problem divSQL Server service cannot start1) When you start the SQL Server (SQLEXPRESS) service, you are prompted with the following error:The local computer cannot start the SQL Server (SQLEXPRESS) serviceError 3: The system cannot fi
Production environment:
SQL Server 2008 R2 active/passive nodes,windows Server 2008 R2 SP1 Cluster, vsphere 5.x
Occurrence start
6 am received Application Team report BizTalkMsgBoxDb Enter suspect mode and cannot be accessed.
Reporting events to reduce user pressure
Simple and App Manager phone, to understand their apps level down time, in the ticket input o
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.