SQL Server

////file stream to read CSV file///// file name whether the first row is a column heading // Delimiter /// public DataTable readcsvfiletotable (bool Headyes, char span) {//file path and filename Strin G files = path + FileName;

DECLARE @str VARCHAR( -)SET @str='ap-fqc-2014072300004'--gets the position of the first occurrence of the specified characterSELECT PATINDEX('%-%',@str)--returns: 3--gets the string before the position of the first occurrence of the specified

There was a problem with SQL Server yesterday: I had to write a stored procedure to process the data in several tables, and finally the problem was that I wanted to stitch up the rows of one column of a table into a row, such as a table with two

Question one: This red symbol is taken offHave not seen the symbol of red, try to paste these symbols out to Notepad found it is garbled, try to paste it into SQL Query Analyzer, found that it shows blank. For such data, always want to find this

1. Data preparationSuppose there is a table Digui, there are two field IDs int ParentID intId ParentID40507021st851559714113015231541181042342303930533967398839107392. Purpose: By passing in ParentID (=5), all recursive data of the record is

--kill all Deadlock processesALTERProcSp_killallprocessindb@DbNameVarChar( -) asifdb_id(@DbName)=NullbeginPrint'DataBase dose not Exist'EndElseBeginDeclare@spId Varchar( -)DECLARETmpcursorCURSOR forSelect'Kill'+Convert(Varchar, spid) asSpId

1. Before applying jmeter to pressure, there is an important port that needs to be manually found. This port is to be used in the third section.Start--Program--microsoft SQL Server 2008r2--Configuration tool--sql Server Configuration ManagerGo to

--From the Excel file, import data into the SQL database, very simple, directly with the following statement:/*===================================================================*/- -If the table that accepts data import already exists insert into

(i) Add a fileCan be executed online, without affecting the database usage.650) this.width=650; "title=" border-top:0px;border-right:0px;background-image:none;border-bottom:0px "style="; padding-top:0px;padding-left:0px;border-left:0px;padding-right:

Http://www.cnblogs.com/chongzi/archive/2011/01/19/1939106.html--The stored procedure writes the results of multiple table joins to the staging table, and then queries the temporary table contents through the cursor --to determine if the temporary

Situation: The remote database delete table execution is too slow, too many tables, the database does not have permission to deleteResult: Empty database is reservedMethods: Using SQL statements, query the Network Digest solution.DescriptionSome are

UsetempdbGOSETNOCOUNT on--CREATE TABLE StructureIF object_id(N'ClassB'N'U') is not NULL DROP TABLEClassBGOCREATE TABLEClassB (IDINT PRIMARY KEY, NameVARCHAR( -), CreateDateDATETIME, AIDINT, StatusINT)CREATE INDEXIdx_createdate onClassB

The functionality of the transaction has been in SQL Server for a long time, because it has recently been a data synchronization scheme, so there is a chance to study it again and snapshots, and found that there are a lot of good features and

Create DATABASET--database cannot be a simple modeGo UseTGOCREATE TABLET (IDINT IDENTITY, valueCHAR(8000))GOINSERT intodbo.t (value)VALUES ( REPLICATE('a', the) )Go 5BACKUP DATABASET to DISK = 'C:\t.bak' withINITGo--Stop Service-

--SQL Server 2000Select A.name as field name, Case when EXISTS (select1From sysobjects WHERE xtype='PK'and parent_obj =a.id and name in (select name from sysindexes where Indid in (select Indid from Sysindexkeys where ID= a.ID and colid =a.colid ))

Steps for obtaining the connection string from sqlserver and mysql: sqlservermysql Steps: The file type is changed to. udl. 2. open the file and find the corresponding service in data provision. 3. Select the required database in the connection

The Forwarded Record counter in SQL Server affects the IO performance. I. Introduction  Recently, a customer noticed a very high counter (Forwarded Records/Sec), accompanied by intermittent fluctuations in the disk wait queue. In this article, we

Three students and three sqlusers are randomly selected from each SQL statement. The school has one, two, three .... To Class 10.Suppose there are 30 students in each class. Zhang, Li, Liu, and SuCurrently, student, class, and name fields exist.

SQL table connection Background In the last self-study subject database system principles, I have gained some knowledge about database table connections. Recently, I used database table connections, let's take a look at it again. Graph export

Obtain the installation time of SQL Server2014, sqlserver2014 If you do not specifically record the installation date (most people do not actually do this), is there a way to query it from SQL Server? Think about how to create a Windows