hints in sql server 2008 for joins

... THE APRESS ROADMAP Beginning SQL Server 2008 for Developers Beginning Database Design SQL QueriesBeginning Programmer’s GuidePro T-SQL 2008 Trang 4Beginning SQL Server 2008 for Developers: From ... Detaching and Attaching Using SQL Server Management Studio 208 Detaching and Attaching Using T-SQL 212 Producing SQL Script for the Database 215 Maintaining Your Database 220 Creating ... Good Index 154 Using Low-Maintenance Columns 154 Primary and Foreign Keys 155 Finding Specific Records 155 Using Covering Indexes 155 Looking for a Range of Information 155 Keeping

Ngày tải lên: 08/08/2014, 18:21

... many installations had the password blank, therefore allowing hackers instant access If you logged in to SQL Server as sa, you will have full control over any aspect of SQL Server SQL Server inserts ... errors found in the code you have entered in the editor. • Web Browser: Brings up a web browser within SQL Server, ideal for searching the Web for answers to SQL Server problems for which you ... change the envi-ronment in which you write T-SQL and how SSMS interacts with SQL Server when running T-SQL SQL Server ➤ General When we come to running T-SQL code within Query Editor, a number

Ngày tải lên: 08/08/2014, 18:22

... also examine how to drop a database in SQL Server Management Studio Creating a Database in SQL Server Management Studio The first method of creating a database we’ll look at is using SQL Server ... Creating and updating statistics while your system is being used does increase processing required on your server, and if your server is heavily used for inserting data, then you will find a performance ... forward to the individual point in time required using the transaction log • Bulk-Logged: Minimally logs bulk operations, so if you’re performing a bulk operation such as bulk copying into SQL

Ngày tải lên: 08/08/2014, 18:22

... information from your own machine information only These IDs should be unique throughout the world binary Data held in the binary data type is in binary format This data type is mainly used for ... IDENTITY option within a column definition is invaluable By defining a column using the IDENTITY option, you are informing SQL Server that • The column will have a value generated by SQL Server • There ... amounts of data, SQL Server and the SQL Server installation will end up running into problems I’ll explain why in a minute, but first of all you will see what you should do in SQL Server to handle

Ngày tải lên: 08/08/2014, 18:22

... index, since the index covers every column in the table for data retrieval. Looking for a Range of Information An index can be just as useful for finding one record as it can be for searching for ... experienced SQL Server 2008 developers or database administrators Getting the indexes right is crucial to your SQL Server database running in an optimal fashion Spend time thinking about the indexes, ... keyword informs SQL Server that you will be building a new object • UNIQUE: Optional If used, this option will inform SQL Server that the columns listed in the index will bring back a single unique

Ngày tải lên: 08/08/2014, 18:22

... that the SQL Server statistics for indexes and so on will be updated before the database is detached The information is stored separately from the other data files in SQL Server, so selecting this ... physically removed from a server for moving it Detaching and Attaching Using SQL Server Management Studio We’ll start by using SSMS to detach and attach a database Try It Out: Detaching a Database 1 First ... connections left hanging around Figure 7-11 Detaching a database Detaching the database is a process that removes entries within the SQL Server system tables to inform SQL Server that this database

Ngày tải lên: 08/08/2014, 18:22

... functionality of SQL Server is being demonstrated Although data is being inserted, the database is still at the stage of being set up, as we are inserting static information at this point in the examples ... build a column constraint through T-SQL in Query Editor as well as in SQL Server Management Studio The T-SQL INSERT Command Syntax Before it is possible to insert data using T-SQL code, you need ... you are reducing the amount of infor-mation it is necessary to include with a record insertion This method of inserting data uses special commands within SQL Server called constraints You will

Ngày tải lên: 08/08/2014, 18:22

... also be comfortable with getting information from tables using different searching, filtering, and ordering criteria Updating data can go wrong, and does, especially when you are working in a live ... modifying, and inserting data from multitable views, some of which will be covered in the “Indexing a View” section later in the chapter However, a view is not a tool for processing data using T-SQL ... update data that is in flux In such a scenario, getting the correct rows of information to update and then actually updating them is akin to a fine art Therefore, surrounding any of your work

Ngày tải lên: 08/08/2014, 18:22

... strange input data to something happening in the server However, this is not the only area of interest You will be looking at joining tables together, performing aggregations of data, and grouping ... storing information on a temporary basis via variables • How to hold rows of information in a nonpermanent table • How to aggregate values • Organizing output data into groups of relevant information ... dangerous join If you wish for every row in one table to be joined with every row in the joining table, then you would use a CROSS JOIN So if you had 10 rows in one table and 12 rows in the other

Ngày tải lên: 08/08/2014, 18:22

... occasions, since they employ SQL Server in very specific ways depending on their business model With this in mind, attention to employing RAISERROR can have big benefits by providing more meaningful ... same error by using values stored within SQL Server system functions.The system functions that can be used to find useful debugging information are detailed here:• ERROR_LINE(): The line number that ... formatting of the date for testing within the ISDATE() function has to be in the same regional format as you have set with SET DATEFORMAT or SET LANGUAGE If you are testing in a European format but have

Ngày tải lên: 08/08/2014, 18:22

... Installing SQL Server 35 Creating and Maintaining Configurations 43 SQL Server communication protocols 43 Reporting services configuration 45 SQL Server features 47 Streamlining Administration 47 SQL Server ... AdventureWorks2008 231 Obtaining AdventureWorks2008 233 Installing AdventureWorks2008 233 Retrieving Data from a Single Table 235 Using IntelliSense 235 Running a query in the SSMS query window 236 Building ... Using Linked Servers 391 Creating a linked server 392 Creating logins for a linked server 396 Querying data from a linked server 399 Chapter 7: Advanced Development Topics 401 Better Messaging

Ngày tải lên: 27/01/2014, 09:20

... use, and as shown in Figure 3-3, you can bring in data from a broad range of information storage formats, including: Trang 10Converting to SQL Server 200828 ✦ ODBC ✦ Oracle ✦ SQL Server ✦ Flat files ... organization a single source for creating, maintaining, and delivering reports on information stored in the database Well-integrated with Microsoft Office, as well as SharePoint Server 2007, SSRS ... versions of SQL Server Upgrading database software (and the data contained in it) is always a nerve-wracking experience Luckily, if you’re running an earlier instance of SQL Server (such as SQL Server

Ngày tải lên: 27/01/2014, 09:20

... points of a ring as being contained within the interior of the Polygon, and excludes any points that lie on the “right” side of the ring In the example given in Figure 2-2, if you were to imagine ... of that ring) If, instead, it appears to be encircled by a ring of points in a clockwise direction, then that point is not included in the Polygon definition Caution If you define the points of ... the appro- priate SRID corresponding to the spatial reference system from which the coordinates were obtained SQL Server 2008 uses the information contained in the spatial reference system to

Ngày tải lên: 08/10/2013, 20:20

... fiber mode SQL Server Agent notifications, 118 policy violation shown in, 120, 121 SQL Server Lightweight Pooling policy, 223 Windows Event Log Xyz policies, 228, 229 File Growth for SQL Server ... Trang 1Windows Event Log I/O Delay Warning I/O Delay Warning Check Server Windows Event Log I/O Error During Hard Page Fault Error I/O Error During Hard Page Fault Error Check Server Windows Event ... execute as expected, 129 ensuring sa login disabled, 198 PBM security, 136, 137 financial information compliance server configuration for compliance, 190 financial reporting compliance Gramm-Leach-Bliley

Ngày tải lên: 24/10/2013, 09:15

... Files\Microsoft SQL Server\MSRS10.MSSQLSERVER\Reporting Services\RSTempFiles Unlike SQL Server’s tempdb, data in ReportServerTempDB survives SQL Server and Report Server restarts Report Server periodically ... Studio SQL Server Management Studio is a consolidated interface for managing SQL Server,Analysis Services, Integration Services, and Reporting Services By combining the manage-ment services into ... is not running (the agent is not generating events) NOTEWhen the SSRS Windows service is not running and the SQL Server Agent is running,the job history for SQL Server Agent will indicate that

Ngày tải lên: 24/10/2013, 10:15

... Accelerated SQL Server 2008 Pro SQL Server 2008 Analysis Services Pro SQL Server 2008 Analytics Jeff Finken ISBN 978-1-4302-1928-6 9 781430 219286 5 4 9 9 9 Trang 3Pro SQL Server 2008 AnalyticsDelivering ... Deployment Phase 208 Training Various Resources 209 Releasing the Solution 209 Maintaining the System 212 Performing Core Maintenance 213 Moving Past the Initial Implementation ... 42 Brainstorming Possible Metrics 43 Prioritizing Draft Metrics 43 Performing a Final Filter on Metrics 46 Setting Targets for Selected Metrics 49 Combining the KPIs into a Scorecard

Ngày tải lên: 25/10/2013, 08:15

... operating system? • What can I do with SQL Server 2008? We will also then look at installing our chosen edition and cover the following: • Installing SQL Server 2008 on a Windows XP platform • ... Installation W elcome to Beginning SQL Server 2008 for Developers. This book has been written for those who are interested in learning how to create solutions with Microsoft SQL Server 2008, but have no ... with its inclusion of Java. 2008 SQL Server 2008 The aim of SQL Server 2008 is to deal with the many different forms that data can now take. It builds on the infrastructure of SQL Server 2005...

Ngày tải lên: 18/10/2013, 07:15

... Handling 85 Why Handle Exceptions in T -SQL? 86 Exception “Handling” Using @@ERROR 86 SQL Server s TRY/CATCH Syntax 87 Getting Extended Error Information in the Catch Block 89 Rethrowing Exceptions ... becoming ever harder to be a SQL Server "expert". SQL Server developers are no longer simply expected to be proficent in writing T -SQL code, but also in XML and SQLCLR (and knowing ... maintained, at least at the beginning of a project. In some cases, making routines as generic as possible can result in fewer total routines needed by a system, and therefore less code to maintain....

Ngày tải lên: 20/08/2012, 13:50

... make the change using T -SQL in SQL Server Management Studio, you would see the same error information in the Messages tab, as shown in Figure 3-29. Figure 3-29. Error message for failed policy ... Using a Central Management Server Central Management Servers are new in SQL Server 2008. They provide you with a central location to execute multiserver queries and evaluate policies against ... multiserver queries and evaluate policies against defined server groups. Central Management Servers are managed using the Registered Servers window in SQL Server Management Studio. A Central 76 Please...

Ngày tải lên: 17/10/2013, 19:15

... Successful SQL Server Migration 46 Migrating to SQL Server 2000 46 Upgrading from SQL Server 6.5: Active/Passive Mode 49 Upgrading from SQL Server 6.5: Active/Active Mode 50 Upgrading from SQL Server ... 50 Upgrading from SQL Server 7.0: Active/Active Mode 50 Summary 52 FAQs 54 Chapter 2 Installing and Configuring SQL Server 2000 57 Introduction 58 Planning a SQL Server Installation 59 Installation ... in SQL Server 2000. By creating an indexed view, the views result set is stored and indexed in the database for increased performance under usage sce- narios that can take advantage of indexing....

Ngày tải lên: 18/10/2013, 18:15