rdbms basics what makes up a sql server database

... ListBox Name lstDatabases Label Name Label3 Text Backup Devices Name lstBackupDevices ListBox Command Button Name btnBackup Text &Backup Name Label4 Text Backup Set Name Name txtBackupSetName Text ... Then Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup _Database Else Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Differential End If BackupSetDescription = Me.txtBUSetDescription.Text BackupSetName ... verifying a SQL Database gives you control over what options the user has when performing the task How It Works After the form loads, the user can select the SQL Server, database, and backup device...

Ngày tải lên: 21/01/2014, 12:20

... "database" chọn "New Database" hình vẽ sau: Sau việc đánh tên database click OK Ngoài dùng SQL script để tạo database Khi ta phải rõ vị trí primary data file transaction log file Ví dụ: USE master ... Visual Basic 6.0 Authors AuthID First Name Last Name A1 John Brown A2 Matthew Bortniker A3 Rick Johnson A4 Peter Wright A5 James Moon AuthorBook BookID AuthID A1 A2 A3 A4 A5 A1 Ngoài điều quan ... thông tin database object (table, view ) hay data type Sp_helpdb [ 'database' ] Cung cấp thông tin database cụ thể Sp_monitor Cho biết độ bận rộn SQL Server Sp_spaceused ['object', 'updateusage' Cung...

Ngày tải lên: 25/08/2012, 09:00

... "database" chọn "New Database" hình vẽ sau: Sau việc đánh tên database click OK Ngoài dùng SQL script để tạo database Khi ta phải rõ vị trí primary data file transaction log file Ví dụ: USE master ... SQL Server Transaction log file SQL Server dùng để ghi lại thay đổi xảy database Quá trình diễn sau: có thay đổi data Insert, Update, Delete yêu cầu từ ứng dụng, SQL Server tải (load) data page ... 2000 Server Beginning Visual Basic 6.0 Authors AuthID A1 A2 A3 A4 A5 First Name John Matthew Rick Peter James Last Name Brown Bortniker Johnson Wright Moon AuthorBook BookID 2 3 AuthID A1 A2 A3 A4 ...

Ngày tải lên: 06/10/2013, 17:20

... tran); // Create the DataAdapter and CommandBuilder SqlDataAdapter da = new SqlDataAdapter(cmd); SqlCommandBuilder cb = new SqlCommandBuilder(da); // Fill table using the DataAdapter DataTable ... changing data being read by a user and preventing users from reading data being changed by a user Locks are acquired and released by user actions; they are managed internally by database software ... same locking as a transaction with an isolation level of REPEATABLE READ SERIALIZABLE Use the same locking as a transaction with an isolation level of SERIALIZABLE Table 6-22 SQL Server locking...

Ngày tải lên: 17/10/2013, 20:15

... illustrates how to use a SqlConnection object to connect to a SQL Server database */ using System; using System.Data; using System.Data.SqlClient; class MySqlConnection { public static void Main() ... Main() { // formulate a string containing the details of the // database connection string connectionString = "server= localhost ;database= Northwind;uid=sa;pwd=sa"; // create a SqlConnection object ... have to wait for a brand new connection to the database to be established when there's a suitable connection already available When you close a connection, that connection isn't actually closed;...

Ngày tải lên: 07/11/2013, 10:15

... = new SqlConnection( "server= localhost ;database= Northwind;uid=sa;pwd=sa"); // monitor the StateChange event using the StateChangeHandler() method mySqlConnection.StateChange += new StateChangeEventHandler(StateChangeHandler); ... state of the connection to the database The State property returns a constant from the ConnectionState enumeration Note An enumeration is a list of numeric constants, each of which has a name ... SqlInfoMessageEventHandler(InfoMessageHandler); // open mySqlConnection mySqlConnection.Open(); // create a SqlCommand object SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); // run a PRINT statement...

Ngày tải lên: 14/12/2013, 13:15

... tran); // Create the DataAdapter and CommandBuilder SqlDataAdapter da = new SqlDataAdapter(cmd); SqlCommandBuilder cb = new SqlCommandBuilder(da); // Fill table using the DataAdapter DataTable ... changing data being read by a user and preventing users from reading data being changed by a user Locks are acquired and released by user actions; they are managed internally by database software ... same locking as a transaction with an isolation level of REPEATABLE READ SERIALIZABLE Use the same locking as a transaction with an isolation level of SERIALIZABLE Table 6-22 SQL Server locking...

Ngày tải lên: 14/12/2013, 18:16

... System.EventArgs e) { ds = new DataSet( ); // Create the DataAdapter SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM " + TABLENAME, ConfigurationSettings.AppSettings[ "Sql_ ConnectString"]); // Load ... SP0811_Update is called to update the database with the batched changes Example 8-16 Stored procedure: SP0811_Update ALTER PROC SP0811_Update @data ntext = null, @datadelete ntext = null AS DECLARE ... schema and data for the table da.FillSchema(ds, SchemaType.Source, TABLENAME); da.Fill(ds, TABLENAME); // Columns in XML representation of data as attributes foreach(DataColumn col in ds.Tables[TABLENAME].Columns)...

Ngày tải lên: 21/01/2014, 11:20

... CONSTRAINT_CATALOG nvarchar(128) Constraint name CONSTRAINT_SCHEMA nvarchar(128) Constraint owner CONSTRAINT_NAME sysname TABLE_CATALOG nvarchar(128) Database name TABLE_SCHEMA nvarchar(128) Table ... current database Table 6-10 REFERENTIAL_CONSTRAINTS information schema view Column name Data type Description CONSTRAINT_CATALOG nvarchar(128) Database name CONSTRAINT_SCHEMA nvarchar(128) Constraint ... System.EventArgs e) { // Create the DataAdapter to retrieve schema information SqlDataAdapter da = null; if (primaryKeyRadioButton.Checked) da = new SqlDataAdapter(GETPRIMARYKEYCONSTRAINTS, ConfigurationSettings.AppSettings[ "Sql_ ConnectString"]);...

Ngày tải lên: 26/01/2014, 10:20

... Property Setting Label Name Label1 Text SQL Servers ListBox Name lstSQLServers Label Name Label2 Text Databases ListBox Name lstDatabases Label Name Label3 Text Backup Devices Name lstBackupDevices ListBox ... lstSQLServers_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) _ Handles lstSQLServers.SelectedIndexChanged GetSQLDatabases(Me.lstSQLServers.SelectedItem, Me.lstDatabases) GetBackupDevices(Me.lstSQLServers.SelectedItem, ... frmHowTo7_3.vb: Calling the Routine That Loads Available SQL Servers into a List Box Private Sub frmHowTo7_3_Load(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles MyBase.Load ' Load up...

Ngày tải lên: 26/01/2014, 11:20

... "ORDER BY CompanyName"; // Retrieve the plan into DataReader SqlDataReader dr = cmd.ExecuteReader( ); // Iterate over all result sets and all rows to get plan { while (dr.Read( )) sb.Append(dr.GetString(0) ... Execution category) is ON, SQL Server returns a result set containing detailed information about how the SQL statements are going to be executed rather than actually executing the statements Two ... The SQL SET statement alters current session handling of specific information Table 104 describes the categories of SET statements Table 10-4 SET statement categories Category Description Date and...

Ngày tải lên: 28/10/2013, 18:15

... rather than created, SQL debugging is not reestablished Changes to locals or parameter variables that are cached by the SQL interpreter are not automatically modified and there is no way to force ... established with the NET data provider for SQL Server before debugging a mixed-language application After that, you can open stored procedures and set breakpoints in the same way as for other applications ... the cache to refresh SQL Server caches variables when the execution plan determines that they will not be dynamically loaded for each statement execution or reference For more information about...

Ngày tải lên: 07/11/2013, 13:15

... cmd.CreateParameter("CustomerID", ADODB.DataTypeEnum.adChar, ADODB.ParameterDirectionEnum.adParamInput, 5) cmd.Parameters.Append(prm) prm.Value = "CHOPS" OpenNorthwindADOConnection(cnn) cmd.ActiveConnection ... txtResults.Text = rstCurr.GetString Catch excp As Exception MessageBox.Show(excp.Message) End Try End Sub The last thing that this routine does is open a recordset based on the Command object This is to the ... Execute method To see the routine in A. 8 executed, click on the button with the caption Stored Procedure with Parameter, located on the frmMain form for this Appendix project ...

Ngày tải lên: 14/12/2013, 20:16

... system Navigate to Database > Connection and add a new database handler for Microsoft SQL Server Click Save to add the database handler to the configuration Navigate to Database > Selection and select ... created Microsoft SQL Server database for all database selections How to create a Microsoft SQL Server database for the OPN System™ XT Server? Appendix – Instructions for MySQL and Oracle databases ... information when connecting to the database sql scripts Each of the database types has a sql file that you need to: Modify to point to the right database Run to create the database and the tables...

Ngày tải lên: 20/12/2013, 23:15

... // Add table mappings da.TableMappings.Add("Table", "Orders"); da.TableMappings.Add("Table1", "Order Details"); // Create the DataSet DataSet ds = new DataSet( ); // Fill the schema and data da.FillSchema(ds, ... // Create the connection SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[ "Sql_ ConnectString"]); // Create DataAdapter SqlDataAdapter da = new SqlDataAdapter(sqlText, ... DataReader also returns all column lengths The method returns a DataTable containing column metadata for a DataReader, where the ColumnSize column contains the lengths For more information about...

Ngày tải lên: 24/12/2013, 05:15

... Tab Page1 Name btnDetach Text &Detach Database Name Label3 Text File to Attach Label Tab Page2 TextBox Tab Page2 Name txtFileToAttach Label Tab Page2 Name Label4 Text Name of Attached Database ... After you have chosen the database, you can reattach the database by clicking on the tab labeled Attach Database You can then type in the name you want to attach the database as, and click ... Object Location Property Setting Label Main Form Name Label1 Text SQL Servers ListBox Main Form Name lstSQLServers Label Main Form Name Label2 Text Databases ListBox Tab Page1 Name lstDatabases Button...

Ngày tải lên: 24/12/2013, 06:17

... Paul Kline Editor: Robert Stengard-Olliges Cover design by Nicola Stratford, bdpublishing.com Library of Congress Cataloging-in-Publication Data Freeman, Marcia S (Marcia Sheehan), 193 7What makes ... 1.00 What Makes Ten? Count your fingers How many ways can you make ten? You can add one and nine to make ten We write: + = 10 10 +9 10 11 +8 10 Two and eight makes ten + =10 12 +7 10 What you ... e lac sp Step 3: goes in the t en ’ 20 pla ce the ’s ne goes in the o 00 To be a good mathematician, you need to know all the addition facts Start with the numbers that make ten, and then tackle...

Ngày tải lên: 25/12/2013, 15:59

... executes a DDL CREATE DATABASE statement to create a new database on a SQL Server You can programmatically drop the database by using the DROP DATABASE statement in a similar way To drop the database ... statements generally require DBA permissions to execute Database Management Language (DML) Used to manipulate—select, insert, update, and delete—data in the database objects Database objects are ... the SQL Server in order to drop the database System databases— master, model, msdb, and tempdb—cannot be dropped For more information about the CREATE DATABASE statement, the DROP DATABASE statement,...

Ngày tải lên: 21/01/2014, 11:20

... create a new database, it does give you an idea of where you can see various databases in your system Now you will learn how to create a database in VS NET You can open the Create Database dialog ... which you want to add the database- in this case, SHADRACH2-and then choose New Database Although both methods open the Create Database dialog box, the second method fills in the server name for ... need to create a new database Click OK to complete the dialog box and create the new database How It Works Now you when you click on the plus sign for the new database, you will see branches in...

Ngày tải lên: 21/01/2014, 12:20

... "ORDER BY CompanyName"; // Retrieve the plan into DataReader SqlDataReader dr = cmd.ExecuteReader( ); // Iterate over all result sets and all rows to get plan { while (dr.Read( )) sb.Append(dr.GetString(0) ... Execution category) is ON, SQL Server returns a result set containing detailed information about how the SQL statements are going to be executed rather than actually executing the statements Two ... The SQL SET statement alters current session handling of specific information Table 104 describes the categories of SET statements Table 10-4 SET statement categories Category Description Date and...

Ngày tải lên: 26/01/2014, 10:20