Tài liệu Using SQL phần 1 doc

... 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

... retrieve products with a ProductID between 1 and 12 : SELECT ProductID, ProductName, QuantityPerUnit, UnitPrice FROM Products WHERE ProductID BETWEEN 1 AND 12 ; Here's another example that ... the OrderDate is between &apos ;19 96-07-04' and &apos ;19 96-07-08': SELECT OrderID FROM Orders WHERE OrderDate BETWEEN &apos ;19 96-07-04' AND &apos ;19 96-07-08'...

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 ... 'Jason Price', 'Owner', &apos ;1 Main Street', 'New York', NULL, &apos ;12 345', 'USA', '(800)-555 -12 12', NULL ); If yo...

Ngày tải lên: 14/12/2013, 13:15

... tree Computer Configuration | Administrative Templates | System | System Restore (Fig. 13 .10 ). Figure 13 .11 : Options for encrypting the Offline Files database Note Administrative privileges ... go to the Offline Files tab, and set the Encrypt offline files to secure data checkbox (Fig. 13 .11 ). The reason for such behavior lies in the difference between the EFS models imple...

Ngày tải lên: 14/12/2013, 10:15

... Figure 1- 18. Click the triangle again to collapse the folder listing. You're saved the trouble and clutter of opening a new window just to view the folder's contents. Figure 1- 17. You ... for the different columns of information Mac OS X can show you, as illustrated in Figure 1- 19 . Figure 1- 18. Click a "flippy triangle" (left) to see the list of the folders an...

Ngày tải lên: 14/12/2013, 10:15

... returns 10 and 15 : SELECT ABS( -10 ), ABS (15 ); You use the ACOS(), ASIN(), and ATAN() functions to get the arccosine, arcsine, and arctangent of a number. The following example returns 0.0, 1. 5707963267948966, ... returns 1 and -2: SELECT FLOOR (1. 4), FLOOR( -1. 4); You use the PI() function to get the mathematical constant Pi. The following example returns 3 .14 159265358979...

Ngày tải lên: 14/12/2013, 13:15

... returns 2002-07 -16 20:02 :18 .12 3: SELECT GETUTCDATE(); Using System Functions The system functions allow you to manipulate and obtain information about values, objects, and settings in SQL Server. ... rather than rounded, as was done in the previous example: SELECT ROUND (1. 23456, 3, 1) ; This example returns 1. 23400, which is 1. 23456 truncated to three decimal places. You...

Ngày tải lên: 14/12/2013, 13:15

... shows this: SELECT UnitPrice * 1. 20 FROM Products WHERE ProductID = 1; This example returns 21. 600000. The new unit price is calculated using UnitPrice * 1. 20. This is an increase of 20 ... Orders.CustomerID). Figure 3. 21 shows the results of this SELECT statement. Figure 3. 21: Using a multitable SELECT statement to retrieve orders placed by a specific customer Figure...

Ngày tải lên: 14/12/2013, 13:15

... 13 .1 . Table 13 .1: Parameters Used in the [Register Registry Values] Section of the Sceregvl.inf File Parameter Explanation Using MSIEXEC from the Command Line As outlined in Chapter 11 , ... exposed in the Local Policy | Security Options section of security templates (Fig. 13 .13 ). Figure 13 .13 : The Local Policy | Security Options section of security templates By ad...

Ngày tải lên: 14/12/2013, 10:15

... 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 13 .15 : The Event ... Rights Assignment (Fig. 13 .16 ). Figure 13 .16 : Restoring the right for the user account to log on as service 7. In the right pane, right-click Log on as a service (Fig. 13 .17...

Ngày tải lên: 14/12/2013, 10:15