sql server common criteria compliance

server| Speed | optimization MS SQL Server Query optimization method (1) There are many reasons for the slow query speed, common as follows: 1, no index or no index (this is the most common problem of query slow, is the defect of program design)2, I/O throughput is small, cr

in the server. The default maximum precision is 38.SELECT @ @OPTIONS as W-returns information for the current SET option.SELECT @ @PACK_RECEIVED As W-Returns the number of input packets read from the network since SQL started.SELECT @ @PACK_SENT As W-Returns the number of output packets that have been written to the network since the last startup.SELECT @ @PACKET_ERRORS As W-Returns the number of network p

server|sql| Data | database Organize a few paragraphs of common C # code to operate a SQL Server Mobile database for reference by friends who have just come in contact with SQL Server M

Tags: output CTI BSS date IDT NiO tor Access CollectionCommon SQL Server Specification highlights Source: Jing Yi Links: www.cnblogs.com/liyunhua/p/4534442.html Common field type selection 1. Varchar/nvarchar data types are recommended for character types 2. Money data type is recommended for monetary value 3. Scientific counting recommend

The above article mentioned win Performance Monitor is a necessary tool for monitoring database performance, Next I will give you some common monitoring indicators, in fact, is nothing more than disk, CPU, memory and other hardware operating indicators as well as the database itself, such as lock Ah, the number of user connections Ah, There is the need to pay attention to the parameters of their own business indicators. 1.

Tags: blog http using OS io file data forExcerpt from: http://www.cnblogs.com/chenxizhang/archive/2011/06/09/2076542.htmlIn our daily work, there are more and more opportunities to deal with databases. This article I'll tidy up a few tools for common SQL Server import and export data1. Data Import and Export WizardThis is a visual tool that I put in the first pla

lock when it is selected. Tablockx (row it table lock)When this option is selected, SQL Server will place an exclusive lock on the entire table until the command or transaction ends.This prevents other processes from reading or modifying the data in the table. HOLDLOCK holds a shared lock until the entire transaction is complete and should be released immediately when the locked object is not needed, equal

processing SQL Server Common steps for exceptionsSQL Server common problems are mainly caused by SQL problems, the main is the CPU is too high and blocking.First, the problem of high CPU1. Query system Dynamic View query execution

field value '//begin define Structure publicapplicationval Public Structure Publicapplicationval ' Public dbserver, UserId userpwd Dbase dbtable account. Public DBServer as String Public UserId as String Public Userpwd as String Public Dbase as String Public dbtable as String Public Queryfieldvale as String Public Queryfieldname as String End Structure '//end define Structure publicapplicationval '//************************************************************************************************

Label:You are generally in the company of Oracle, rarely used SQL Server, then today to tell you about SQL Server commonly used to start the way:The SQL Server instance is divided into the following startup methods: (1) Start manu

Here are two main:(1) Windows Event Log(2) SQL Server errorlog1. Windows Event LogAs a windows open and Managed service program, Windows logs in its own syslog system logSQL Server This service start, normal shutdown, abnormal shutdown and other information.SQL Server will also record some of its own profile informatio

Label:Original: SQL Server uses RowNumber () built-in functions with the over keyword to implement a common paging stored procedure (support for single-or multiple-table node-search-Sets paging)SQL Server uses the RowNumber () built-in function with the over keyword to imple

!= ') Set @sql = @sql + ' + @strOrderEXEC (@sql) -- =============================================--Author: --Create Date: --Description: -- =============================================ALTER PROCEDURE [dbo]. [sp_pager2005]@tblName varchar (255),--table name such as: ' Xtest '@strGetFields varchar (1000) = ' * ',--the column that needs to be returned: ' Xname,xd

specified node to find the set @num =2 -- Specifies the recursive hierarchy, that is, the number of cycles while (@level Using the SQL CTE implementation:DECLARE @node int declare @num intset @node =8;set @num =2;with temp_cteas ( select id,name,parentid,0 LV --Query out "root node", that is, the specified starting node from role_cte where [email protected] UNION ALL Select B.id,b.name,b. Parentid,a.lv+1 from

ALL, and the CTE is 1,3,4 when recursive. And the end condition of the recursion is that the result of this query is an empty set, at which point the recursion ends and the final result sets are returned.It is also necessary to say that the CTE is virtual, SQL Server will regenerate the query statements, direct access to the underlying object, so in some high performance requirements, or through the execut

The examples in this article describe the common methods of SQL Server query for the first N records. Share to everyone for your reference. Specifically as follows: SQL Server Query the first n records are the operations we often use, the following

=NewUser (); if(dt. rows[i]["ID"] !=dbnull.value) User.ID= Convert.ToInt32 (dt. rows[i]["ID"]); if(dt. rows[i]["name"] !=dbnull.value) User.Name= dt. rows[i]["name"]. ToString (); List. ADD (user);}Example 2, using transactions, inserting user dataintresult =0;stringsql ="INSERT into [User] VALUES (@Id, @Name);";using(DbConnection conn =_database. CreateConnection ()) {Conn. Open (); Dbtransaction Tran=Conn. BeginTransaction (); // start a transaction Try{command=_database. Gets

Label:the following SQL is a general-purpose paging stored procedure in server: If (exists (SELECT * FROM sys. procedures where name= ' proc_paging '))--if proc_paging This stored procedure exists drop proc Proc_pagi ng--then delete this stored procedure go to create proc proc_paging ( @pageSize nvarchar (), nbsp; @currentPage nvarchar, @tablename nvarchar ( @orderbycolumn nvarchar (), @ Wherewithand n

) As DECLARE @userID INT--User ID --Login account has been registered If exists (select loginID from tablename where loginID = @loginID) Begin return-1; End --The mailbox has been registered else if exists (select email from tablename where email = @email) Begin Return-2; End --Registration Successful Else Begin Select @userID = IsNull (max (UserID), 100000) +1 from TableName INSERT INTO TableName (Userid,loginid,[password],username,linknum,address,email,cr

common failures that SQL Server cannot start --Did you modify the operating system password? --modifies the operating system password, which causes SQL to fail to start: 1. My Computer--control Panel--management tools--services--right key mssqlserver--properties--landing--Landing identity--Select "Local System Account"