SQL Server

At noon today, I asked a mm question. What does CREATE TABLE mean? I have never seen it before, but I have no choice but to Google. It is really hard to find the information, but I finally found it. I installed SQL Server and tried it again. I can

Environment: sqlserver 2008 Create a test table and add two fields. Field A is set to the primary key, which is not empty and unique. Field B is not restricted.   Execute insert into test values ('', 'A'), but the execution is successful. The

As part of Microsoft's Business Intelligence Architecture, SQL Server Reporting Services provides enterprises with a comprehensive server solution, it integrates the data management functions of SQL Server and Microsoft Windows server, as well as

I. Concepts An index is a distributed storage structure created to accelerate the retrieval of data rows in a table. 1. indexes are created for tables; 2. An Index consists of an index page other than the data page for storing tables. That is to

One method: Clear logs. 1. Open the query analyzer and enter the command Dump transaction database name with no_log 2. open the Enterprise Manager and right-click the database you want to compress -- all tasks -- shrink database -- shrink file --

In the past, due to the high Memory price, the general configuration of memory is not much, of course, more than 4 GB is not enough. The current server, Configuration More than 4 GB, after being configured as an SQL database server, many

  When installing SQL Server2000ProgramI am prompted that the installation program has been suspended and asked to restart my computer. However, even if I restart the computer and install it again, the installation program of SQL Server2000 still

  Alter procedure awf_insertzjdata@ Zjid varchar (11 ),@ Fabh varchar (15 ),@ Zhymch varchar (8 ),@ Zjnr textAs Declare @ error integerBegin Tran mytranSet @ error = 0 Delete zjdataWhere zjid = @ zjid and fabh = @ fabh and zhymch = @ zhymchSet @

Microsoft Visual Studio 2008 Service Pack 1 (SP1) is used to develop smart device applications for Microsoft SQL Server compact 3.5.Program. Microsoft Visual Studio 2010 does not support the development of smart device applications. However, if

It can be used to test the performance of SQL statements or stored procedures. Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Checkpoint   -- Used to check the changed data pages or log

/*The data is as follows:Name Val memoA 2 A2 (the second value of)A 1 A1 -- the first value ofA 3 A3: The third value ofB 1 B1 -- the first value of BB 3 B3: The third value of BB 2 b2b2b2b2B 4 b4b4B 5 b5b5b5b5b5*/-- Create a table and insert

Select top 10 RQ, LB, zsz, ltsz from hq_zqgm_scgm order by RQ   Industry ConversionCodeYes: Select RQ, max (Case LB when 1 then zsz end) as zsz1, max (Case LB when 2 then zsz end) as zsz2, Max (Case LB when 0 then zsz end) as zsz3,

SelectNumber of modifications to schema_ver/16 ,*FromSysobjectsWhereXtype ='U' Order ByRefdate DESC

1. An error occurred while establishing a connection with the server. When you connect to SQL Server 2005, the default setting does not allow remote connection to SQL Server may cause this failure. (Provider: named pipeline provides Program , Error:

Use the case function in check Using the case function in check is a good solution in many cases. There may be a lot of people who don't need check at all, so I suggest you try to use check in SQL after reading the example below.Here is an

-- Create a table Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->use tempdbIF OBJECT_ID('Tab') is not null DROP TABLE TabGOCREATE TABLE Tab( [Col1] INT ,[Col2] nvarchar(1)) --

During development, you sometimes need to query remote databases.Connect to remote SQL Server 2005 as an example to create a remote SQL query .   I. Using a linked server is suitable for the scenarios where OLE DB data sources are frequently

Do not use cursor I wonder if you know that every execution of fetch is equal to execution of a SELECT command? This means that if your light is marked with 10000 records, it will execute 10000 select! I used a T-SQL to override a cursor-based

Problem description Assume that there is a student summary table (CJ) as follows:Name subject resultZhang San Chinese 80Zhang San, mathematics 90Zhang San physical 85Li Si Chinese 85Li Si mathematics 92Li Si physical 82 If you want to write an SQL

Basic steps: 1. Create a dialog box-based application adodatabase. 2. Create an ADO class library for connection. In the system menu, insert-> new class, and select generic class for class type. After name, enter the class name "adoconn" and click