SQL Server

Today in the company to see colleagues wrote a SQL2005 of the new characteristics of the article, feel very practical, here and share with you. The original copyright does not belong to me. This technique is mainly used for inserted and deleted

Scene: The DBA gave me the creation scripts for all the storage, functions, and so on, with thousands of files. Now you need to import these object creation scripts into another library, how do you solve them? Manual execution is obviously not

Recently in the company to work, sometimes need to the company's server database copy to their own computer to take home, when the mood is good when the Canadian small class. Many friends may not be like themselves, or unfamiliar with how to migrate

       I did one of those things before, move the file to D on all databases (except SQL Server system files) that were originally on C, for easy follow-up management and reduced disk I/O blocking (c, D is 2 standalone disks). Script needs to enter 2

four necessary conditions of a deadlock 1. Mutually exclusive conditions (Mutual exclusion): Resources cannot be shared and can only be used by one process. 2. Request and retention conditions (Hold and wait): a process that has already been

Sometimes in order to consider data security, we will back up the database, SQL Server backup format is generally bak end, but the cover is easy to problem, here is a simple introduction, the need for friends can be referred to sometimes full backup,

The two tables used by the trigger are shown below --Create SC table CREATETABLE[SC] ([Scid]intnotnull,[sno]intnotnull,[cno]intnotnull,[score]intdefaultnull,primarykey ([ScId ]) ); --Add Resume Createtablescore_record ( Sridintnotnull,

Several ways to recover data in SQL Server: 1. The nature is Backup recovery method Backup This is the safest and most reliable way to operate, as long as you select Restore in SQL Server's Enterprise Manager. You can also do this with T-sql:

access|server| Data | The database has recently been busy learning to convert Access databases into SQL Server databases, and to share with you a few experiences. Automatic numbering type in 1.ACCESS database when converting, SQL Server does not set

server| Backup | recovery | data | Backup and restore of database sql Server database Select operation: backup recovery database name: " > file path: (file path for backup or recovery) 0 then Response.Write err.number& "" Response.Write

asp.net|server| Recovery | data | database It is important to note that restore, restore time is the most problematic, the other users can not use the database to restore, the solution is to add a stored procedure in the master database:Create proc

Server|sqlserver| data based on their usual experience common class libraries for SQL Server operations Using System; Using System.Data; Using System.Data.SqlClient; Using System.Web; Namespace WHGW_LC { Summary description of Data. Database

Server SQL Server calls C #. NET-Written DLL 1. Construct DLL: First we have to be in. NET inside Create a class library project, write a simple HelloWorld Using System; Namespace Mydll { Summary description of the CLASS1. public class

New Date Type: is a date type that appears in 2008 that is not in 2005.1,date data type 2,time data type 3, datetime2 data type 4, DateTimeOffset data type1,date data type Date. Format: YYYY-MM-DD Comment: The supported range is from ' 1000-01-01 '

/* Data operations between different server databases */--Create a linked serverexec sp_addlinkedserver ' itsv ', ' ', ' SQLOLEDB ', ' Remote server name or IP address 'exec sp_addlinkedsrvlogin ' itsv ', ' false ', NULL, ' username ', ' password '--

The concept, type, and four characteristics (ACID) of a transaction.1. A transaction (Transaction) is a unit of concurrency control and is a user-defined sequence of operations. These operations are either done or not, and are an inseparable unit of

The distributed framework of Hadoop, Zookeeper and HBase has been introduced in previous essays, and a distributed cluster with 11 nodes has been built. The use of HBase database is limited to the test of the nature of the deletion and modification

Mode 1:Select B.column_name from = b.constraint_namewhere'PRIMARY KEY' Products'goMode 2:SELECT A.name From syscolumns a inner joins sysobjects d on a.id=d.id where d.name= 'products'1where xtype='PK' And in (the SELECT

One of the reasons for blocking is that different sessions are caused by incompatible locks when accessing the same table.Whether the currently executing SQL statement is blocked (or deadlocked) is not only related to the existing lock on the

Viewing with extended events for dynamic viewsSELECT xed.value (' @timestamp ', ' datetime ') as Creation_date, xed.query ('. ') As Extend_eventfrom ( SELECT CAST ([Target_data] as XML) as Target_data from