Tài liệu Using SQL phần 2 docx

... products with a ProductID of 1, 2, 5, 15, 20 , 45, or 50: SELECT ProductID, ProductName, QuantityPerUnit, UnitPrice FROM Products WHERE ProductID IN (1, 2, 5, 15, 20 , 45, 50); Here's another ... ascending order using the ProductName column. Figure 3.13: Using the ORDER BY clause to order products by ascending ProductName You can explicitly state the order for a column...

Ngày tải lên: 14/12/2013, 13:15

... Logging For Windows NT-based applications and systems - including Windows 20 00, Windows XP, and products of the Windows Server 20 03 family - event logging provides a standard and centralized method ... Using Group Policy to Automate the EFS Disable Process If you would like to add the ability to push the disabled setting through Group Policy on a Windows XP systems joined to a Wind...

Ngày tải lên: 14/12/2013, 10:15

... example obtains the difference between 12/ 20 /20 03 and 12/ 22/ 2003 in days and returns 2 days: SELECT DATEDIFF(day, ' 12/ 20 /20 03', ' 12/ 22/ 2003'); You use the DATENAME() method ... date. The following example adds two days to the date 12/ 20 /20 03 and returns 20 03- 12- 22 00:00:00.000: SELECT DATEADD(day, 2, ' 12/ 20 /20 03'); You use the DAT...

Ngày tải lên: 14/12/2013, 13:15

... SQL keywords. Although SQL isn't case sensitive, I use uppercase when specifying SQL keywords and mixed case when specifying column and table names. You may terminate a SQL statement using ... 'Cha%'; Using SQL SQL (pronounced sequel) is the standard language for accessing relational databases. As you'll see in this chapter, SQL is easy to learn and us...

Ngày tải lên: 14/12/2013, 13:15

... by 20 percent. The following SELECT statement shows this: SELECT UnitPrice * 1 .20 FROM Products WHERE ProductID = 1; This example returns 21 .600000. The new unit price is calculated using ... 'Cynthia Red', 'Owner', &apos ;2 South Street', 'New York', NULL, ' 123 45', 'USA', '(800)-555- 121 2', NULL ); Modifyin...

Ngày tải lên: 14/12/2013, 13:15

... of SQL statements is known as a commit, or committing the SQL statements. Undoing the results of SQL statements is known as a rollback, or rolling back the SQL statements. You can group SQL ... 'Owner', '1 Main Street', 'New York', NULL, ' 123 45', 'USA', '(800)-555- 121 2', NULL ); If you attempt to run this INSER...

Ngày tải lên: 14/12/2013, 13:15

... the Data field will be available (Fig. 13.15 ). Figure 13 .21 : The Alerter service depends on the Workstation service Figure 13 .22 : The dependencies list for RPC service is quite long Figure ... unselected. Figure 13 .20 : Configuring the service to start up with the Local System account 4. Go to the General tab and click the Start button to restart the service. Using Regist...

Ngày tải lên: 14/12/2013, 10:15

... Created) column narrower,"Sunday,March 9 ,20 08 ,2: 22 PM"shrinks first to "Sun, Mar 9, 20 08, 2: 22 PM," then to "3/9/08, 2: 22 PM," and finally to a terse "3/9/08." ... Date Created columns generally display information in a format like this: "Sunday, March 9, 20 08." (As noted below, the Mac uses shorter date formats as the column...

Ngày tải lên: 14/12/2013, 10:15

... ATAN(expression) Returns the arctangent of expression. ATN2(expression1, expression2) Returns the arctangent of the angle between expression1 and expression2. CEILING(expression) Returns the smallest ... SupplierID is 2, and so on. The AS clause in this example names the results returned by the SUM() function as SumUnitPrice. Figure 4.3 shows the results of this SELECT statement....

Ngày tải lên: 14/12/2013, 13:15

... Microsoft (R) .NET Framework Permission Request Viewer. Version 1.1.4 322 .510 Copyright (C) Microsoft Corporation 1998 -20 02. All rights reserved. minimal permission set: <PermissionSet ... dưới đây khai báo một cầu tối thiểu, một yêu cầu tùy chọn, và một yêu cầu loại trừ: using System.Net; using System.Security.Permissions; // Yêu cầu quyền tối thiểu: SocketPermission. [...

Ngày tải lên: 23/12/2013, 19:15