microsoft sql server online training

Today, we will summarize all SSIS articles into one article and make a simple directory for easy searching. SSIS is an intelligent solution of Microsoft, popular and ASP. net program, it also designed a lot of similar controls, but called tasks, the main function of these tasks is to convert data from the data source to the data purpose, there will be a query in the middle, aggregation and other more specific tasks. As long as you are familiar with

Server full-Text search features a number of good improvements to SQL 2000 Full-text search. The first is to be able to update data changes without having to rebuild the Full-text indexing index. You can update the index manually, or you can update it in the job, or use the background update option (Background update index option) to update the index as the data changes. This allows Full-text search to be u

Microsoft. Jet. oledb.4.0 is not registered on the Local ComputerProgram Environment: Window Server 2003 + iis6.0 + office2003 Development tools: vs2005 Language: C # Aspx. net2.0 Vs2005 developed the aspx Program (DOT net2.0) and encountered an error when accessing the Acess database. The "Microsoft. Jet. oledb.4.0" provider was not registered on the

I often think that in support of spatial information, because it lacks the storage of geometry, MSSQL is always a bit slower than other databases. With the support of the new. NET CLR, you can really add your own based on. NET objects. Although I tried to implement a simple geometric type of storage in SQL Server, there were some limitations that I had to give up. First, the user data type cannot exceed 800

server| stored procedure stored procedure (PROCEDURE.SQL): CREATE PROCEDURE Hello @yourname varchar (50) = "No celebrities" As Select @yourname + ", Hello! " Go PHP3 Program (PROCEDURE.PHP3): ? $server = Mssql_connect ("localhost", "sa", "") or Die ("Unable to connect to the database server!") "); $db = mssql_select_db ("Test", $

physically consistent. If an error occurs, all data changes after begin transaction can be rolled back to return the data to a known consistent state. Each transaction continues to be executed until it completes without error and uses commit transaction to make permanent changes to the database, or encounters an error and erased all changes using the rollback transaction statement. SyntaxBegin Tran [saction] [transaction_name | @ tran_name_variable [with Mark ['description'] Example:Begin T

production database unless you have sufficient reason and enough certainty, or ... It's not you who takes responsibility. Now that this method is unsafe, I'll introduce a safe approach. As you know, SQL Server automatically truncates the inactive part of the transaction log when it completes the transaction log backup. These inactive parts contain completed transactions and are therefore no longer used dur

recommended to truncate logs on the production database unless you have good reasons and are sure enough, or ......You are not responsible for this.Since this method is not safe, I will introduce a security method below.As we all know, SQL Server will automatically cut off the inactive part of the transaction log when backing up the transaction log. These inactive parts contain completed transactions, so t

the production database unless you have sufficient reason and sufficient certainty, or ... It's not you who take responsibility. Now that this method is unsafe, I'll introduce a secure approach. As you know, SQL Server automatically truncates the inactive portions of the transaction log when it completes a transaction log backup. These inactive parts contain completed transactions and are therefore no long

Tags: style blog http color os file data ioRecently trying to learn ASP. NET MVC, when you click Add-New Item--visual in the data under C # to the ADO Entity Data Model, and the "Select Your data connection" error occurs, the " An error occurred in Microsoft SQL Server Compact 3.5. Please contact the provider vendor to resolve this issue. "and write it down here

Two days ago, I made a very serious mistake. When I was observing the SQL Server database time, due to the adjustment of the service, I accidentally restarted the SQL Server service. Maybe everyone felt this was okay, however, for an online DB that supports tens of millions

The date and time data from January 1, January 1-20, 1900 to January 1, June 6 are accurate to minutes.String Char A fixed length of non-Unicode characters. The maximum length is 8,000 characters. Varchar Variable-length non-Unicode data, which can contain a maximum of 8,000 characters. Text Variable-length non-Unicode data. The maximum length is 2 ^ 31-1 (2,147,483,647) characters.Unicode string Nchar Unicode data of a fixed length. The maximum length is 4,000 characters. Nvarchar A variable-l

server| Microsoft has announced the final functionality and price of the upcoming SQL Server 2005 database, which is mainly divided into developer and Standard editions. SQL Server Product Management manager Tom Rizzo says

server| Backup | recovery | data | Database using SQLDMO in C # Backup and restore Microsoft SQL Server database SQLDMO (SQL distributed Management objects,sql Distributed Management Objects) encapsulates objects in a

(Col1int, Col2Char(5), Col3Char(3), Col4Char(2)) with(data_compression=ROW)--Create a Table assigning Page CompressionCreate Tablegreatforpagecompression (Col1int, Col2Char(5), Col3Char(3), Col4Char(2)) with(data_compression=PAGE)/*Keep in mind ALTER TABLE and alter INDEX can is used to implement compression when those obects already exist.*/3. Availability of databases/*Change various database option and refresh the MGMT*/--2.1 Setup:add A Table and a couple of rows. UseTinyDB;GOCreate Table

Comparison of several scenarios for high availability in SQL Server 2012, where AlwaysOn advantage is compared to several scenarios for SQL Server 2012 high availability and disaster recovery, replication, clustering, mirroring, what are the advantages of new technology AlwaysOn,This article will make a rough compariso

Tags: LTE C # database file es2017 sage MES application repeatTools: Microsoft SQL Server 2008R2 Microsoft Visual Studio 2008 Learning Notes : connecting to a database (1) Establishing a database Use master; IF db_id (' Edubasedemo ') is not NULL BEGIN ALTER DATABASE Edubasedemo SET Single_user With ROLLBACK IMMEDIATE;

can select all data from any user table in the databaseDb_datawriter can change all data in any user table in the databaseDb_denydatareader cannot select any data from any user tables in the databaseDb_denydatawriter cannot change any data in any user tables in the databaseSummary of extended storage in some SQLXp_availablemedia Display the drive letter ' C: ' Xp_availablemedia available on the systemXp_enumgroups lists the usage groups for the current system and their descriptions xp_enumgroup

allocation structure pointed to by the metadata will point to the new index (so the index id remains unchanged ), the table version has been updated. Congratulations! Now you have a brand new index. As you can see, the beginning and end stages of Online Index operations may have huge blocking problems. Therefore, the technical online index operation should be called "o