SQL Server

In SQL Server 2008 we can use the varbinary (max) data type to save a picture, but its seeding and modification are a little bit different from other data.Let's look at the example below:1. Definition table: Create TABLE t_image (ID int NOT NULL,

U3D Connect SQL Server first System.Data.dll the Unity installation directory into the Asset/plugins directory of the project, and then write a script to connect to the database, in the above two steps without error, prompt this mistake, To consider

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 '--query

Create DATABASE Photorepository on primary(Name =n ' Photorepository ',filename = N ' E:\PhotoRepository.mdf ',SIZE=5MB,filegrowth=1024kb),Filegroup Fs_photorepository contains FileStream(Name= ' Fs_photorepository ',Filename=n '

Start-to-All Programs-->microsoft SQL Server 2008--> Configuration Tool-->sql Server Installation Center--maintenance-and version upgrades, followed by prompts to continue to the next step, To the product key when entered-----development:

1. First make sure that the \common\lib (for Tomcat5.5) or the \lib (Tomcat6.0) directory in the Tomcat installation directory contains the three. jar files that are necessary for the JDBC Connection database (Msbase.jar, These three files are

A FOREIGN KEY constraint is established in SQL to cascade the data in the query table, and in C # code generator, the corresponding foreign key table data model can be generated according to the foreign key relationship. Foreign keys also prevent

Schema: A container contains tables, views, database objects, and so on. Equivalent to a namespaceHow to create a schema:1. Graphics Wizard2. CommandCreate schemaIn SQL Server 2005, you may be working or learning often find such problems, you use an

1. Turn on the SQL Server Agent serviceUsing a job requires support for the SQL Agent service and needs to be set to start automatically, otherwise your job will not be executed.The following steps open the service: Start-->>> run-->>> enter

Due to the installation of no space, the default installed in the system disk, and did not do automatic backup, truncation transaction log, etc., soon the LDF file reached more than 10 g, or dozens of G, at this time will have to deal with.Backup

Recently in the teacher layout of SQL Server large job, one of the problems is to use Java to connect to SQL Server. The previous connection database was completed in MyEclipse. This time I'll switch to Notepad. Here's my step:1. First, download the

SceneHow do I revert to the point of failure after the last backup?Backup Scenarioswith full + diff + transaction logs interspersed with each other in a wayRestore ScenariosUse the full restore Mode====================================================

Create function fun_getpy (@str nvarchar (4000)) returns nvarchar (4000) asBEGIN DECLARE @word nchar (1), @PY nvarchar (4000) Set@PY ="' whileLen (@str) >0beginSet@word =left (@str,1) --If non-kanji characters, return the original characterSet@

constraint constraintFirst article: Five kinds of constraints1. Primary KEY ConstraintsCREATE TABLE T (i int primary key)--constraint name is automatically generated by the system ALTER TABLE DBO.T ADD constraint T_PK primary key (i)The index is

Just in the forum to see the Netizen a request. Refer to the following, insus.net analysis, you can use the MS SQL Server recursive query to get results.Prepare a table:Populate this table with the data provided by the user:The following syntax

1. Build for version 2005DatabaseScript2008 of Manger Studio--Open "Object Explorer" (no press F8), connect to your instance--Right-click to go to the 2005 library--Mission--Generate Scripts--In the Script wizard, in Select a database, select the

Two days ago we simply learned about a special kind of stored procedure-trigger-related knowledge, today is to write about the stored procedures of some simple theory and practical application of knowledge.First, we need to understand what a stored

Modify the field type and name in SQL Server -- The following are complete SQL Execution statements: If exists (select * from syscolumns where id = object_id ('table name') and name = 'field name') -- determine whether the field exists Begin

Create a database IF DB_ID ('mydatabase6 ') IS NOT NULL Drop database MyDatabase6; Create database MyDatabase6 ON PRIMARY (-- Primary data file NAME = 'logicnameofdatafile6_1 ', FILENAME = 'C:/Program Files/Microsoft SQL

Recently, a project needs to check whether the value of a certain numeric field is a number. Because the data rows are massive, it is necessary to use SQL statements for screening. Here is a memo. The function used is IsNumeric. The specific