This problem originated from csdn. Later I found that SQL Server versions have different processing methods for this case when else end result ..
The case syntax is as follows:
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> /**/ /*
Manager, as shown in
The data source created through ODBC can be queried in the alias option, and its port number is configured as 45000. the above description shows that both ODBC and udl methods can be accessed normally, test again. Delete the record in the above alias and find that ODBC and udl methods cannot be accessed correctly. Therefore, we can infer that both ODBC and udl have accessed the server through this alias, but why does
BackgroundWhen using Oracle or other databases, using the LIKE keyword for fuzzy query is commonly used by people, in the use of pure Chinese environment is very easy to use, there are some wildcards can be used, but in a pure English environment, the size of the need to accurately match the problem, the main reason is the problem of string
FL like '%{0}% ' and
Here like after is a string, so there must be a size-sensitive problem. For e
Label:SQL Server Connection Problem case resolution (1) reprinted from: Http://blogs.msdn.com/b/apgcdsd/archive/2015/04/27/sql.aspx?CommentPosted=true#commentmessageMicrosoft Network Monitor (Netmon) is a Web protocol data analysis tool released by Microsoft that leverages Netmon to capture and view and analyze network data. Netmon often plays a key role when dealing with connectivity issues with
Scene:
A recent DB server occasional CPU alarm, my email alarm threshold (Please read yù) value set is 15%, the beginning is not the case, thinking is what the statistical category of inquiries, and then more frequent.
Explore:
I decided to check to see what was going on, and the Order of my troubleshooting was as follows:
1, first turn on cacti monitoring, found that the most recent CPU average after a
SQL server's case when then statement, sqlcase
-- Select DataName,-- Case Code---- When 'w01' then 'male'---- When 'w07 'then' female'---- Else 'others'---- End as Code-- From dbo. HistoryData
Select DataName,(CaseWhen Code = 'w01' then 'male'When Code = 'w07 'then' female'Else 'others'End)From HistoryData
The access database has
This afternoon, I was busy transferring the cross tabulation in the access database to the SQL Server database. In SQL Server, the transfrom method is not supported. I found the relevant information and used the case method for conversion.
This afternoon, I was busy transfer
different port number (all applications have to follow the connection string, pain). Restart the service, run a day, and then look at the Event Viewer, no longer found similar records, CPU utilization decreased to about 5, the system response significantly accelerated. The problem has been satisfactorily resolved.In order to prevent hackers to traverse the system login account, but also renamed the Administrator, but after renaming, SQL
file is intact)
1. Stop the server SQL Service
2. delete database files (MDF files)
In this case, access to the database testbackup in SSMs will become unavailable:
At this point, because the SQL server instance is available, tail logs are backed up by specifyi
The case sensitivity of the database name is compatible with the SQL server startup configuration method. For more information, see.
The case sensitivity of the database name is compatible with the SQL server startup configuration
There have been two recent cases of sending exceptions to SQL Server Database Mail, and these questions are also somewhat interesting, by the way. It is convenient for people who encounter similar problems to be crazy about these problems! Provide a little more ideas.Case 1: One of our database server suddenly send messages are not, when there is a problem, check
In SQL Server Case...end statements, there are generally two ways to use:1, equivalent to C # in If...else, example:1 SelectCName, Title= Case2 whenClevel='A1' Then 'Junior Programmer'3 whenClevel='A2' Then 'Intermediate Programmer'4 whenClevel='A3' Then 'Senior Programmer'5 Else 'Master of the
Case has two formats: Simple case function and case search function.
-- Simple case Function
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Case sexWhen '1' then 'male'When '2' then 'female'Else 'others' end
--
In our project development, we often encounter the requirements of multiple conditional fuzzy queries. There are two common solutions for this: one is to stitch the SQL string at the end of the program, construct the corresponding SQL string based on whether a condition is selected, and use the dynamic SQL statement in the stored procedure of the database. The es
is done in turn, 4600 of the employees will be reduced. No matter how absurd this rule is, if you want an SQL statement to implement this function, we need to use the Case function. The Code is as follows:
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->UPDATE PersonnelSET salary = CASE WHEN salary >= 5000
SQL Server Table Management _ about the operation of the table and adding and modifying the operation of the detailed (case code)Overview:Tables consist of rows and columns, and each table must have a table name.SQL CREATE TABLE SyntaxCREATE TABLE table_name (column_name1 data_type (size), column_name2 data_type (size), Column_name3 data_type (size),....);1. View
1. usage of the Case Function(1) Use the following commands: switch-case and if-else if.(2) Syntax:Case [field]When expression then display dataWhen expression then display dataElse display dataEnd(3) percent conversion of Quality Education1) We want to convert the displayed data to ABCDE. The rule is to show A at or above 90 points, B at or above 80 points, and so on.
2) The executed
Before class, the popularization of small Knowledge: MSSQL and SQL Server is the same software, the name is different, MSSQL is Microsoft SQL Server,mssql is shorthand, some people like to call SQL Server directly, I prefer this n
) and sum (case when sex=' 2 ' then population else 0 end) from CSP GROUP by
country;
The results are as follows: (iii) Select Case when usage Result 1: result 2: Example 1 SELECTCOUNT ( case if sex = 1 then 1 ELSE NULL END) number of boys, COUNT ( case if sex = 2 then 1 ELSE NULL END) number
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