performance tuning interview questions in sql server

... a SQL Server 2005 instance with full-text catalogs defined on it, the installer migrates your full-text catalogs to the newly installed SQL Server 2008 instance. In prior versions of SQL Server, ... years’ experience in SQL database design, T -SQL development, and client -server application programming. He has consulted in a wide range of industries, including the insurance, financial, retail, ... This tight integration of the SQL Server and full-text query processors in SQL Server 2008 is a significant improvement over prior versions of SQL Server full-text search, allowing SQL Server to...

Ngày tải lên: 07/03/2014, 18:20

Ngày tải lên: 14/03/2014, 19:20

Ngày tải lên: 28/04/2014, 17:09

Ngày tải lên: 18/10/2014, 18:11

... `ấ>`ấLiViấ>ấếi ]ấViVấLnk_aoo6L]caB]qhpo+oa_ấèấv`ấếèấĩVấôViấấV>ế}ấiíViiấ paging in case of high L]cao+oa_ấ/iấLnk_aoo object is the system component that provides performance data for the processes running on the system, which are individually represented ... ĩ>èấấii]ấịếấV>ấ`ièvịấèiấĩ>èấèịôiấ>`ấLi}ấèếLiè}ấ"iấvấèiấèấ CHAPTER 2 N SYSTEM PERFORMANCE ANALYSIS 22 SQL Server Memory Management -+Ê-iÀÛiÀÊ>>}ià memory for databases, including memory requirements for data and àếiịấiíiVếèấô>]ấấ>ấ>}iấôấvấiịấV>i`ấèiấmemory ... èiếèấLịấ`ièvị}ấè>èấ>ấàếiịấưấàếiiđấấĩ>è}ấấiịấấ`iấèấiíiVếèi Target Server Memory (KB) and Total Server Memory (KB) P]ncapOanranIaiknu$G>% indicatesấèiấèè>ấ>ếèấvấ`ị>Vấiịấ-+ấ-iiấấ willing to consume. Pkp]hOanranIaiknu$G>% indicates the...

Ngày tải lên: 17/12/2013, 02:15

... CHAPTER 1 N SQL QUERY PERFORMANCE TUNING 15 Summary In this introductory chapter, you have seen that SQL Server performance tuning is an itera- tive process, consisting of identifying performance ... considering them in more depth in later chapters. Poor Indexing *ÀÊ`iÝ}ÊÃ usually one of the biggest performance killers in SQL Server. In the absence of proper indexing for a query, SQL Server ... 322 Avoiding Optimizer Hints 324 JOIN Hint 325 INDEX Hints 327 Using Domain and Referential Integrity 329 NOT NULL Constraint 329 Declarative Referential Integrity 332 Avoiding Resource-Intensive...

Ngày tải lên: 17/12/2013, 02:15

... impacts query tuning) ã SQL Server Integration Servicesã SQL Server Analysis Servicesã SQL Server Reporting Servicesã PowerShellã The Performance Tuning Process e performance tuning process consists ... following topics: e performance tuning processã Performance vs. priceã e performance baselineã Where to focus eorts in tuning e top 13 SQL Server performance killersã What I dont cover within ... hardware, operating system, and SQL Server settings, the main performance killers in SQL Server are as follows, in a rough order (with the worst appearing rst): Poor indexingã Inaccurate statisticsã Poor...

Ngày tải lên: 12/02/2014, 12:20

... professional trainer and consultant specializing in SQL Server administra- tion, performance tuning, high availability, and many other facets of SQL Server. In addition, he also excels at database interoperability ... covers tuning server configuration settings to remove bottlenecks found in Chapter 2. ❑ Chapter 7 covers tuning SQL Server settings to remove bottlenecks found in Chapter 3. ❑ Chapter 8 covers tuning ... CPU Problems 57 Using SQL Server to Analyze Performance Logs 59 Combining Performance Monitor Logs and SQL Profiler Trace 64 Summary 65 Chapter 4: SQL Server Wait Types 67 SQL Server Waits 68 Architecture...

Ngày tải lên: 16/02/2014, 13:20

... used with SQL server 2000. Question: What is SQL Service Broker in SQL Server 2005? SQL Service broker is a new technology introduced in SQL Server 2005 for building database- intensive distributed ... the SQL Server instance. In SQL Server 2005, the Master database is the logical repository for the system objects residing in the sys schema. In SQL Server 2000 and previous editions of SQL Server, ... change in database. Now we explain when we are doing some Sql Server 2000 query or any Sql query like Sql insert query, delete sql query, update sql query and change the data in sql server...

Ngày tải lên: 08/03/2014, 09:20

Ngày tải lên: 14/03/2014, 16:20

Ngày tải lên: 17/03/2014, 19:20

Ngày tải lên: 04/06/2014, 13:17

Ngày tải lên: 28/06/2014, 14:20

... to SQL Server 2000 or install SQL Server 2000 along side 6.5 or 7.0 - SQL Server 6.5 and 7.0 can be upgraded directly to SQL Server 2000 - SQL Server 2000 can be installed as the default instance ... a SQL Server instance Learn SQL Server 2000 in 15 Minutes a Week: Basic Installation Part 2 by Michael Aubert www.2000trainers.com Welcome to the second article in my series SQL Server Administration ... Computer – Installs SQL Server onto a remote computer on the network Virtual Server – Used for installing SQL Server onto a Server Cluster In this article we will look at an installation of SQL Server...

Ngày tải lên: 17/10/2013, 09:15

... structures used internally by the lock manager. ã The SQL Server Profiler can be used to monitor and record locking information. ã The Windows Performance Monitor has a SQL Server Locks Object ... rows in an underlying SQL Server database. Solution Use SQL Server locking hints from ADO.NET. The sample code contains three event handlers: Start Tran Button.Click Creates a SQL SELECT statement ... according to their function. Table 6-21. SQL Server locking hints for isolation level Locking hint Description HOLDLOCK Hold a shared lock until the transaction is completed instead of releasing...

Ngày tải lên: 17/10/2013, 20:15

... according to their function. Table 6-21. SQL Server locking hints for isolation level Locking hint Description HOLDLOCK Hold a shared lock until the transaction is completed instead of releasing ... The Windows Performance Monitor has a SQL Server Locks Object counter that can be used to monitor lock activity. For more information about database locks, using locking hints, or monitoring ... preventing other users from reading or updating the table. By default, the lock is held until the end of the statement. Table 6-23. SQL Server Locking Hints for Other Functions Locking hint...

Ngày tải lên: 14/12/2013, 18:16

... connection. SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); // Create DataAdapter. SqlDataAdapter da = new SqlDataAdapter(sqlText, ... " + colInfo[col.ColumnName] + Environment.NewLine); schemaInfo.Append(Environment.NewLine); } schemaInfo.Append(Environment.NewLine); } resultTextBox.Text = schemaInfo.ToString( ); ... Environment.NewLine); schemaInfo.Append("\tAutoIncrement: " + col.AutoIncrement + Environment.NewLine); schemaInfo.Append("\tDataType: " + col.DataType + Environment.NewLine);...

Ngày tải lên: 24/12/2013, 05:15

... Setting Up SQL Server 2008 . . . . . . . . . . . . . . . . . . . . . . . . . .35 Installing SQL Server 35 Creating and Maintaining Configurations 43 SQL Server communication protocols 43 Reporting ... . . . . . . . . . . . . . . . . .35 Installing SQL Server 35 Creating and Maintaining Configurations 43 Streamlining Administration 47 Chapter 5: Using SQL Server Management Studio . . . . . . ... 296 Enabling full-text search capabilities 297 Using full-text queries 299 Understanding Outer Joins 301 Using an INNER JOIN 302 Using RIGHT OUTER JOIN 302 Using LEFT OUTER JOIN 303 Using FULL...

Ngày tải lên: 27/01/2014, 09:20

... Server s Reporting Services (SSRS) aim to offering the IT organization a single source for creating, maintaining, and delivering reports on information stored in the database. Well-integrated with ... readiness categories, making sure that you meet or exceed each of these prerequisites. Also, if you’re installing SQL Server on multiple machines, remember that a machine acting as a central server ... client. Finally, you need to have administra- tive privileges on the computer where you’re installing SQL Server. 07_179543-bk01ch03.qxp 8/23/08 12:26 AM Page 23 Reporting 20 Reporting SQL Server s...

Ngày tải lên: 27/01/2014, 09:20

... Chapter Introduction ã Tools for Monitoring ã SQL Server Profiler Monitoring ã Understanding and Using the DMVs ã PerfMon ã Data Collector What Were Going to Cover p. 36 ã Common index-related ... sys.dm_exec _sql_ text to return SQL Execution/Session Category p. 2 Overview ã Chapter Introduction ã Tools for Monitoring ã SQL Server Profiler Monitoring ã Understanding and Using the DMVs ã ... be stored: In a .trc file (fastest) In a SQL Server table ã .trc files can be configured to rollover to a new file after a certain threshold ã Can load .trc file contents into SQL Server table...

Ngày tải lên: 13/02/2014, 08:20