sql data type char vs varchar

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Ngày tải lên: 08/10/2013, 20:20

... 11.2. Other Data Movement and Manipulation Tasks P ART III 274 Both SQL Server 7.0 and SQL Server 2000 files can be used with the Bulk Insert task in SQL Server 2000. You use the two types of format ... Project, with files CreateParallelDataPumpTask.vbp, CreateParallelDataPumpTask.frm, CreateParallelDataPumpTask.frx, CreateParallelDataPumpTask.bas, and CreateParallelDataPumpTask.exe. This project ... When you bulk insert the data, the text qualifier characters will be inserted into the destination data as if they were part of the data. If the addition of these two extra characters causes the...

Ngày tải lên: 17/10/2013, 23:15

... 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 ... the Destination Table 7.0 6 1 SQLCHAR 0 40 “” 2 stor_name 2 SQLCHAR 0 4 “” 1 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 files ... fctGetObjectType(lType As Long) As String On Error GoTo ProcErr Select Case lType Case 1 fctGetObjectType = “User defined data type Copy SQL Server Objects Task C HAPTER 13 13 T HE C OPY SQL S ERVER O BJECTS T ASK 319 L ISTING 13.1 Continued 17...

Ngày tải lên: 20/10/2013, 17:15

... upgrading a SQL Server 7.0 database to SQL Server 2000. ã The more general purpose of moving a database and associated meta data between data- base servers. You can only use databases on SQL Server ... Server to a separate SQL Server 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 ... uses a data file: set dpta = cus.Assignments.New dpta.DestinationPropertyID = _ “‘Tasks’;’tskExecuteSQL’;’Properties’;’SQLStatement’” dpta.SourceType = 5 ‘DTSDynamicPropertiesSourceType_DataFile dpta.SourceDataFileFileName...

Ngày tải lên: 20/10/2013, 17:15

... The DTSMQMessage object has the MessageType property, which uses one of these DTSMQMessageType values: ã0 DTSMQMessageType_String ã1 DTSMQMessageType_DataFile ã2 DTSMQMessageType_GlobalVariables The DTSMQMessage object ... sBaseName .Database = sCatalog .InputDatasource = sInputDataSource .OutputDatasource = sOutputDatasource .OutputTable = sOutputTable .PredictionQuery = sPredictionQuery .Server = sDataSource Control ... and data mining models with the underlying data. The purpose of the Analysis Services Processing task is to automate the processing of cubes and data mining models. After you have loaded new data...

Ngày tải lên: 24/10/2013, 16:15

... Then Set PkgSQL = DTSApp.GetPackageSQLServer(sServer, _ sUserID, sPassword, DTSSQLStgFlag_UseTrustedConnection) Else Set PkgSQL = DTSApp.GetPackageSQLServer(sServer, _ sUserID, sPassword, DTSSQLStgFlag_Default) End ... Meta Data Services. ã By default, Meta Data Services is located in the SQL Server msdb database. If you cre- ate a package using Visual Basic, you can specify a different Meta Data Services data- base. ãUsers ... permission to access the msdb database to save or retrieve the DTS package. DTS packages are saved to the SQL Server with the SaveToSQLServer method of the Package object. SaveToSQLServer has the following...

Ngày tải lên: 24/10/2013, 16:15

... then select either Import Data or Export Data. ã Select Tools, Data Transformation Services from the menu. Select either Import Data or Export Data. ãHighlight the SQL Server node and select ... the wizard for importing data into the Northwind database with a username of sa and a password of 123. From Code The SQL Namespace (SQL- NS) object model is a feature in SQL Server that lets programs call ... in your data sources and data destinations when you use the wiz- ard in this way. You can use any data store with an OLE DB provider that works with DTS or an ODBC provider SQL Server databases,...

Ngày tải lên: 28/10/2013, 23:15

... from SQL Server 2000 to SQL Server 2000 You can load data from one SQL Server 2000 database to another SQL Server 2000 database with a Transform Data task, a Data Driven Query task, a Copy SQL ... www.verypdf.com to remove this watermark. DECLARE @src varchar( 40) DECLARE @desc varchar( 100) DECLARE @sStepName varchar( 40) DECLARE @sTaskName varchar( 40) DECLARE @lExecResult int DECLARE @lExecStatus ... package to be a SQL Namespace object Set sqlnsObject = SQLNS.GetSQLNamespaceObject(hPackage) ‘Execute the package sqlnsObject.ExecuteCommandByID _ SQLNS_CmdID_DTS_RUN, hWnd, SQLNamespace_PreferModal ‘Return...

Ngày tải lên: 28/10/2013, 23:15

Ngày tải lên: 06/11/2013, 05:15

... THE DTS O BJECT M ODEL 619 Transformation2 Transformations DestinationColumns ScoreColumns DataPumpTransformCopy DataPumpTransformDateTimeString TransformServerProperties DataPumpTransformLowerString DataPumpTransformMidString DataPumpTransformReadFile DataPumpTransformScript(DTSTransformScriptProperties2) TransformServer Column Column Property DataPumpTransformUpperString DataPumpTransformTrimString DataPumpTransformWriteFile 37 ... watermark. Meta Data Meta data is data about data. It is a description of the structures that are used to store, trans- form, and retrieve data. There are two kinds of meta data in an enterprise ... technical meta data. Configuring DTS for Column-Level Data Lineage You enable column-level data lineage by setting the scanning options for your DTS package. Scanning a database enters its meta data into...

Ngày tải lên: 07/11/2013, 20:15

... integer. datatype = DBTYPE_I2; break; case DBTYPE_I4: //Destination column type is 4-byte integer. datatype = DBTYPE_I4; break; case DBTYPE_R4: //Destination column type is 4-byte real. datatype = DBTYPE_R4; break; case ... datatype = DBTYPE_I2; break; case DBTYPE_I4: //Destination column type is 4-byte integer. datatype = DBTYPE_I4; break; case DBTYPE_R4: //Destination column type is 4-byte real. datatype = DBTYPE_R4; ... wSourceType = (pSrcDBColumnInfo->wType & (~DBTYPE_BYREF)); switch (wSourceType) { case DBTYPE_I2: //Source column type is 2-byte integer. break; case DBTYPE_I4: //Source column type is...

Ngày tải lên: 07/11/2013, 20:15

... watermark. destination files 685 Data Pump task, 661-662 Data Transform task, 47 Data Transformation Services, see DTS Data Transformation task, see Transform Data task databases copying, 52, 310-311, 316 creating, ... 504 users, 311 databases servers Bulk Insert task executing, 26 Copy SQL Server Objects task, 26 Execute SQL task, 26 Transfer Databases task, 26 DataDrivenQueryTask object, 218 DataPumpOptions property, ... 284-285 Data File Type, 285 Enable Identity Insert, 283-284 Keep Nulls, 282-283 Maximum Errors, 286 Rows, 286 Sorted Data, 284 selecting, 269-270 Transform Data task, 268 business analysis data, 64-69,...

Ngày tải lên: 07/11/2013, 20:15

... MyDataClassesDataContext : System .Data. Linq.DataContext Chúng ta phải đăng ký MyDataClassesDataContext với hệ thống DynamicData. Mở file Global.asax, Sửa: //model.RegisterContext(typeof(YourDataContextType), ... System.Web.DynamicData; using System.ComponentModel.DataAnnotations; using System.ComponentModel; Thêm 2 lớp partial có tên là: LoaiSanPham, SanPham và tên lớp của MetadataType. [MetadataType(typeof(LoaiSanPham_Metadata))] ... Dynamic Data với LINQ to SQL 2 Bài 7 DYNAMIC DATA VỚI LINQ TO SQL Bài này giới thiệu tổng quan về Dynamic Data, những tính năng của Dynamic Data. Cách xây dựng ứng dụng Dynamic Data với...

Ngày tải lên: 13/12/2013, 09:15