... a SQLServer
Database
Tác giả: Vovisoft.com
Cấu Trúc Của SQL Server
Như đã trình bày ở các bài trước một trong những đặc điểm của SQLServer 2000
là Multiple-Instance nên khi nói đến một (SQL) ... jobs).
Cấu Trúc Vật Lý Của Một SQLServer Database
Mỗi một database trong SQLServer đều chứa ít nhất một data file chính
(primary), có thể có thêm một hay nhiều data file phụ (Secondary) và một ... động lại
SQL Server hay khi ta disconnect.
• Model : Database này đóng vai trò như một bảng kẻm (template) cho các
database khác. Nghĩa là khi một user database được tạo ra thì SQLServer
sẽ...
... Implement a SQLServer Database
3.1. Cấu Trúc Của SQL Server
Như đã trình bày ở các bài trước một trong những đặc điểm của SQLServer 2000 là
Multiple-Instance nên khi nói đến một (SQL) Server nào ... đến một Instance của
SQL Server 2000, thông thường đó là Default Instance. Một Instance của SQLServer 2000
có 4 system databases và một hay nhiều user database. Các system databases bao gồm:
• ... Msdb : Database này được SQLServer Agent sử dụng để hoạch định các báo động
và các công việc cần làm (schedule alerts and jobs).
3.2. Cấu Trúc Vật Lý Của Một SQLServer Database
Mỗi một database...
... command.
SqlCommand cmd = new SqlCommand(sqlText, conn, tran);
// Create the DataAdapter and CommandBuilder.
SqlDataAdapter da = new SqlDataAdapter(cmd);
SqlCommandBuilder cb = new SqlCommandBuilder(da); ... 6.14 Specifying Locking Hints in a SQLServer Database
Problem
You need to pessimistically lock rows in an underlying SQLServer database.
Solution
Use SQLServer locking hints from ADO.NET. ... SqlCommandBuilder(da);
// Fill table using the DataAdapter.
DataTable dt = new DataTable( );
da.Fill(dt);
// Bind the default view of the table to the grid.
dataGrid.DataSource = dt.DefaultView;
...
... the
Transform Data task and the Data Driven Query task—
Transformations
,
Lookups
,
DestinationColumnDefinitions
,
InsertQueryColumns
,
UpdateQueryColumns
,
DeleteQueryColumns
, and
UserQueryColumns
.
The ... source data
files, if you can.
2. If not, skip the Bulk Insert task and use a Transform Data task with a Copy
Column transformation to move your text file data into SQL Server. The
Transform Data ... used with a SQLServer destination.
Bcp can be used to move data from SQLServer to a text file, but that’s not possible
with the DTS Bulk Insert task.
N
OTE
•You cannot transform the data as it...
... Edition 38
SQL Server 2000 Desktop Engine 39
SQL Server 2000 Windows CE Edition 39
Should You Migrate to SQLServer 2000? 41
How Will SQLServer 2000 Benefit My Organization? 42
Will SQLServer 2000 ... Successful SQLServer Migration 46
Migrating to SQLServer 2000 46
Upgrading from SQLServer 6.5: Active/Passive Mode 49
Upgrading from SQLServer 6.5: Active/Active Mode 50
Upgrading from SQLServer ... Console 265
SQL Server Enterprise Manager 266
SQL Server MMC Snap-Ins 273
Moving and Copying SQLServer Databases 275
Enterprise Manager 277
Copy Database Wizard 278
Detaching and Attaching Databases...
... Copy SQLServer
Objects Task
IN THIS CHAPTER
• When to Use the Copy SQLServer Objects
Task 310
• The Source and the Destination 311
•Transfer Choices 312
•Other Properties of the Copy SQL Server
Objects ... Copy SQLServer Objects task gives you some special capabilities. It’s usually not as fast
as the Transform Data task, but it is the most convenient way to move objects from one SQL
Server database ... Generated Format File
7.0
6
1 SQLCHAR 0 40 “” 1 stor_name
2 SQLCHAR 0 4 “” 2 stor_id
3 SQLCHAR 0 40 “” 3 stor_address
4 SQLCHAR 0 20 “” 4 city
5 SQLCHAR 0 2 “” 5 state
6 SQLCHAR 0 5 “” 6 zip
The rows...
... database and associated meta data between data-
base servers.
You can only use databases on SQLServer 7.0 or SQLServer 2000 as the source for these
transfer tasks. The destination must be SQL ... from one SQLServer to a separate SQLServer 2000.
It’s important to be able to move meta data along with the transfer of databases. SQL Server
stores most of the meta data needed for database manipulation ... all the data-
bases on a server. But the centralized meta data becomes a problem when you move an indi-
vidual database to a new server. Unless you include all the needed meta data, the database...
... this watermark.
.ServerName = sServerName
.VersionID = sVersionID
If sServerUserName = “” Then
.UseTrustedConnection = True
Else
.ServerPassword = sServerPassword
.ServerUserName = sServerUserName
.UseTrustedConnection ... sBaseName
.Database = sCatalog
.InputDatasource = sInputDataSource
.OutputDatasource = sOutputDatasource
.OutputTable = sOutputTable
.PredictionQuery = sPredictionQuery
.Server = sDataSource
Control ... Message Queue Task Properties dialog. This dialog allows
you to choose a package from SQL Server, SQLServer Meta Data Services, or structured file
storage. After selecting one of those options, you...
... PackageSQLServer object
If sUserID = “” Then
Set PkgSQL = DTSApp.GetPackageSQLServer(sServer, _
sUserID, sPassword, DTSSQLStgFlag_UseTrustedConnection)
Else
Set PkgSQL = DTSApp.GetPackageSQLServer(sServer, ... to access the msdb database to save or retrieve the DTS
package.
DTS packages are saved to the SQLServer with the
SaveToSQLServer
method of the
Package
object.
SaveToSQLServer
has the following ... parameters:
•
ServerName
—The server where the package should be stored.
•
ServerUserName
—The logon name for the server specified in ServerName.
•
ServerPassword
—The password for the
ServerUserName
logon.
•
Flags
—Security...
... handling of date and time data
Locking Alters current session settings for handling SQLServer locking
Miscellaneous
Alters current session settings for miscellaneous SQLServer
functionality ... statement, both containing a single column StmtText. The first result set
contains the SQL statement while the second contains rows detailing the plan. For batch
SQL statements, the result sets ... StmtText
column but is turned on and off in the same way.
For more information about the SET statement, SHOWPLAN_TEXT, or
SHOWPLAN_ALL, see the topic "SET" in Microsoft SQLServer Books...
... initial release of SQLServer 2000.
•
/i
—Call the wizard for import into SQL Server.
•
/x
—Call the wizard for export from SQL Server.
•
/r
—The name of the data provider, such as MSDASQL for the Microsoft ... then select either Import Data or Export Data.
• Select Tools, Data Transformation Services from the menu. Select either Import Data or
Export Data.
•Highlight the SQLServer node and select Wizards ... the SQLServer database used in the import or export, if the
/i
or
/x
parameter is used.
•
/y
—Prevent the SQLServer system databases from being seen in the lists of source and
destination databases.
•
/?
—Display...
... from SQLServer 2000 to SQLServer 2000
You can load data from one SQLServer 2000 database to another SQLServer 2000 database
with a Transform Data task, a Data Driven Query task, a Copy SQLServer ...
LoadFromSQLServer
method to load a DTS package:
EXEC @hResult = sp_OAMethod @hPkg , ‘LoadFromSQLServer’ , NULL ,
@ServerName = @sServerName,
@ServerUserName = @sServerUserName,
@ServerPassword = @sServerPassword,
@Flags ... to load data.
Loading from a Text File to a SQLServer Database
You can use a Bulk Insert task, a Transform Data task, or a Data Driven Query task to load
data from a text file into SQL Server...
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The ... concepts to build solid SQLServer database
solutions.
I start with the concepts of relational theory, data modeling, and normaliza-
tion. Then I show you how to produce a database that works right...
... books
including
SQL in a Nutshell (O’Reilly, 2004), Pro SQLServer 2005 Database
Design and Optimization
(Apress, 2006), and Database Benchmarking:
Practical Methods for Oracle & SQL Server
(Rampant, ... the
Professional Association for SQL Server, has written for several SQL Server
magazines
, and has pr
esented at confer
ences internationally on the topic of
database programming with SQL Server.
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Quest Software. A Microsoft SQLServer MVP since 2004, Kevin is a founding
board member and past president of the international Professional Associa-
tion for SQL Server...
...
ApplicationName
data column.
C. Use System Monitor to monitor the
SQLServer:Database
counter.
Select all counters for the
Sales
database
D. Use System Monitor to monitor the
SQLServer:General ... SQLServer 2000
database without requiring an expert understanding of the structure of the database, the workload, or the
internals of SQL Server. The selection of the right indexes for a database ... growth of the database. We calculate the specifics for this
database and then add the size of the model database. All new databases are based on the model database.
The model database has an...