Hướng dẫn học Microsoft SQL Server 2008 part 5 pptx

... 11 :57 am Page 3 The World of SQL Server IN THIS CHAPTER Why choose SQL Server? Understanding the core of SQL Server: the Relational Database Engine Approaching SQL Server Making sense of SQL Server s many ... 1 Understanding SQL Server requires understanding T -SQL. The native language of the SQL Server engine is Transact -SQL. Every command sent to SQL Server m...

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... primary key must be unique and must have a value (not null). 51 www.getcoolebook.com Nielsen c03.tex V4 - 07/21/2009 12:07pm Page 50 Part I Laying the Foundation ■ The database has now hard-coded ... play before life became so busy. (You can listen to some of my MP3s on my ‘‘about’’ page on www.sqlserverbible.com.) There are some musicians who can hear a song and then play it; I’m not on...

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... common table expressions (CTEs), a feature new to SQL Server 20 05. 257 www.getcoolebook.com Nielsen c11.tex V4 - 07/23/2009 1 :54 pm Page 260 Part II Manipulating Data With Select ■ Correlated ... the power and flexibility of SQL. From natural joins to exotic joins, SQL is excellent at selecting sets of data from multiple data tables. The challenge for the SQL Server database...

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... Min Max X 5 2 25 45 11 86 Y 15 506 46 12 91 Z 4 2 15 53 33 83 The first column of this query returns the Category column. While this column does not have an aggregate function, it still participates ... X Sci-Fi 2 25 45 11 86 Y Philosophy 50 6 46 12 91 Z Zoology 2 15 53 33 83 300 www.getcoolebook.com Nielsen c12.tex V4 - 07/21/2009 12:46pm Page 2 95 Aggregating Data 12 (1, 2, 3,...

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... sys.dm_index_operational_stats, sys.indexkey_property, and sys.index_col. 55 1 www.getcoolebook.com Nielsen c20.tex V4 - 07/23/2009 8:26pm Page 55 0 Part IV Developing with SQL Server continued completely eliminates nulls ... ypes Traditionally, SQL Server stores both the date and the time in a single column using the datetime and smalldatetime data types, described in Table 20-4....

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... steadily enhanced Transact -SQL. SQL Server 7 saw unique identifiers, SQL Server 2000 added user-defined functions, and SQL Server 20 05 added common table expressions. SQL Server 2008 adds a few juicy ... (OrderNumber) WITH FILLFACTOR = 85, PAD_INDEX = ON; 55 4 www.getcoolebook.com Nielsen c21.tex V4 - 07/23/2009 4:48pm Page 56 0 Part IV Developing with SQL Server Wh...

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... datasource; 56 7 www.getcoolebook.com Nielsen c21.tex V4 - 07/23/2009 4:48pm Page 56 2 Part IV Developing with SQL Server ■ An application can submit a T -SQL batch using ADO or ODBC for execution. ■ A SQL ... may be embedded within a single SQL command: 56 2 www.getcoolebook.com Nielsen c21.tex V4 - 07/23/2009 4:48pm Page 56 5 Programming with T -SQL 21 The following SQL ba...

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... 07/23/2009 4 :53 pm Page 606 www.getcoolebook.com Nielsen c24.tex V4 - 07/23/2009 4 :53 pm Page 608 Part IV Developing with SQL Server Stored procedures aren’t mysterious. All the features of T -SQL queries ... is changed or SQL Server is reconfigured. The most common fatal errors are those caused by the following: ■ Data-type incompatibilities ■ Unavailable SQL Server resources...

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... Expression; END; 6 25 www.getcoolebook.com Nielsen c 25. tex V4 - 07/23/2009 4 :55 pm Page 630 Part IV Developing with SQL Server In contrast, a function allows the restriction to be passed as a parameter to the SQL ... set with code New in 2008 U ser-defined functions haven’t changed much since they were introduced in SQL Server 2000. If you’re upgrading to SQL Server 2008...

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... 63 (-9,223,372,036, 854 ,7 75, 807) through 2 ˆ 63-1 (9,223,372,036, 854 ,7 75, 807). This value is only available for SQL Server 2000, but the OLEDB provider will still try to send it to SQL Server 7.0 and ... Page 724 Part V Data Connectivity Generally, especially for SQL Server developers, it’s better to use the SQL Server specific provider. Even though other general-purpos...

Ngày tải lên: 04/07/2014, 09:20