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√ Many-to-many Figure 1.6 : - One-to-Many Relationship ER diagram In this one record in one table corresponds to many rows in other table and also viceversa. For instance :- In a company one employee can have many skills like java , c# etc and also one skill can belong to many employees. Given below is a sample of many-to-many relationship. One employee can have knowledge of multiple “Technology”. So in order to implement this we have one more table “EmployeeTechnology” which is linked to the primary key of “Employee” and “Technology” table. 81
82 Figure 1.7 : - Many-to-Many Relationship ER diagram What is normalization? What are different type of normalization? Note :- A regular .NET programmer working on projects often stumbles in this question ,which is but obvious.Bad part is sometimes interviewer can take this as a very basic question to be answered and it can be a turning point for the interview.So let's cram it. It is set of rules that has been established to aid in the design of tables that are meant to be connected through relationships. This set of rules is known as Normalization. Benefits of Normalizing your database include: √ Avoiding repetitive entries √ Reducing required storage space √ Preventing the need to restructure existing tables to accommodate new data. √ Increased speed and flexibility of queries, sorts, and summaries. Note :- During interview people expect to answer maximum of three normal forms and thats what is expected practically.Actually you can normalize database to fifth normal
Page 1 and 2: Beware of duplicate interview quest
Page 3 and 4: Titles written by Shivprasad Koiral
Page 5 and 6: From the Author First thing thanks
Page 7 and 8: The Table of contents is different
Page 9 and 10: What is NTILE()? ..................
Page 11 and 12: What are basic methods of “Dataad
Page 13 and 14: How can we import and export using
Page 15: (DB)How can we remove the Fragmente
Page 19 and 20: √ This book goes in best combinat
Page 21 and 22: un through those surprising questio
Page 23 and 24: 56 Figure :- 0.1 IT Company hierarc
Page 25 and 26: √ When it comes to maintenance pr
Page 27 and 28: √ Do not mention your salary in C
Page 29 and 30: √ Are you looking for onsite oppo
Page 31 and 32: 64 1. Database Concepts What is dat
Page 33 and 34: Many DBMS companies claimed there D
Page 35 and 36: 68 database vendors where providing
Page 37 and 38: √ Access uses file server design
Page 39 and 40: 72 Figure 1.3:- Client Server Archi
Page 41 and 42: 74 √ There are lots of third part
Page 43 and 44: 76 defined types can now be written
Page 45 and 46: 78 √ Query analyzer is now replac
Page 47: 80 √ One-to-many Figure 1.5 : - O
Page 51 and 52: 84 Figure 1.10 :- Normalized custom
Page 53 and 54: (DB) Can you explain Fifth Normal F
Page 55 and 56: 88 Twist: - What’s the relationsh
Page 57 and 58: 90 Figure 1.18 : - MDF and LDF file
Page 59: (DB)Can we have a different collati
Page 62 and 63: INSERT INTO ColorTable (code, color
Page 64 and 65: LEFT OUTER JOIN Left join will disp
Page 66 and 67: What’s the difference between DEL
Page 68 and 69: Figure 2.3 : - “_” operator in
Page 70 and 71: Figure 2.5 : - Union All in action
Page 72 and 73: DECLARE provincecursor CURSOR FOR S
Page 74 and 75: Figure 2.7 : - Key Set Data DYNAMIC
Page 76 and 77: What is ROLLUP? Figure 2.9 : - Grou
Page 78 and 79: What is CUBE? Figure 2.11: - Subtot
Page 80 and 81: inner join sales.salesterritory on
Page 82 and 83: Figure 2.16: - WITH TIES in action
Page 84 and 85: Select * from PURCHASEORDERHEADERCT
Page 86 and 87: What is UNPIVOT? It’s exactly the
Page 88 and 89: What is NTILE()? Figure 2.21 :- DEN
Page 90 and 91: √ If there is an error in UDF its
Page 92 and 93: Assembly_files system tables have t
Page 94 and 95: go EXEC sp_configure 'clr enabled'
Page 96 and 97: Safe Access sandbox This will be th
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What is Syntax for creating a new a
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so that .NET threads do not consume
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Following are the checks done while
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Are two version of same assembly al
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Note: - If the assembly is referenc
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So what does that mean? Well if you
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But for “out” types of paramete
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Let start step1 go to visual studio
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You can see in the below figure you
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After deploying the solution you ca
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Figure 3.16 :- Function source code
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There are two types of triggers :-
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ALTER PROCEDURE ps_NonFatal_INSERT
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√ Data Adapter (This object acts
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√ ExecuteNonQuery :- Executes the
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objOLEDBCommand = New OleDbCommand(
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ADO.NET provides the SqlCommand obj
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Third step is to create the Adapter
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RemoveAt Remove’s a “DataRow”
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Relation’s can be added between
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√ Commit or roll back the transac
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√ Subscriptions: - Subscriptions
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Figure 5.3 : - Detail architecture
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using Microsoft.SqlServer.Notificat
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6. Service Broker What do we need Q
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√ Further you have to assign thes
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GO -- Create Message contract what
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Figure 6.3 : - Output of the above
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7. XML Integration Note: - In this
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What is a valid XML? If XML is conf
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' After you have created the schem
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SELECT * FROM xmltable WHERE TestXm
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BATCHES = ENABLED, WSDL = DEFAULT,
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Twist: - What is Star Schema Design
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the dimension table and all other t
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Transformation:- This process can a
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Figure 8.6 : - Data Warehouse and D
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Figure 8.7 : - After executing BCP
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Once you have changed the FMT file
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√ Using BCP and Bulk imports we c
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√ Transactions are mainly batch t
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and ROLAP. However, unlike MOLAP an
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(DB)What is MDX? MDX stands for mul
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While data is loading in database
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√ Requirement phase: - System Req
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Figure 8.16 : - NorthWind Snapshot.
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Figure 8.19 : - Select Analysis Ser
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After that its time to define view.
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We had said previously fact table i
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This screen defines measures. Figur
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Figure 8.29 : - Deploy Solution Fig
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Figure 8.33: - Final look of the CU
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Figure 8.35: - Product Sales by cou
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on number of tickets sold , but if
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Figure 8.36 : - Data mining life Cy
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Based on the above data we have mad
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Figure 8.40 : - Bayesian Sample Dat
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Figure 8.41 : - Artificial Neuron M
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You can see neuron has calculated t
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√ Microsoft Decision Trees Algori
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Figure 8.46 : - Data mining and Dat
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9. Integration Services/DTS Note: -
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Figure 9.3 : - Specify the Data Sou
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Next step is to specify option from
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Figure 9.7 : - Successful execution
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√ Container: - Container logicall
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√ Whenever “Bonus” field is n
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Data Flow: - Data flow say how the
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Figure 9.19 : - Connection Manager
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Figure 9.22 : - Specify Connection
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Figure 9.25 : - Specify Destination
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Note: - You can see various data fl
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Reporting Server In big multi-natio
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Figure 10.2 : - Publisher, Distribu
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√ Read-only data are the best can
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Figure 10.4 : - Merge Replication M
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Figure 10.5 : - Transactional Repli
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Figure 10.8 : - Specify Type of rep
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Figure 10.12 : - Replication in Act
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Figure 11. 1: - Welcome reporting s
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Figure 11.3: - Specify provider Aft
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Figure 11.5 : - SQL Query Figure 11
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Figure 11.8 : - Final view of the r
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“Reporting Services” is not a s
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12. Database Optimization What are
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Figure 12.2 : - Page split for Inde
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Figure 12.3 : - Clustered Index Arc
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If we make non-clustered index on a
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DECLARE @ID int, Note: - Before rea
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Extents Scanned The number of exten
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Speed issues occur because of two m
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Figure 12.12: - sp_updatestats in a
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Figure 12.13 : - Create New Trace F
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In order to go to “Database Tunin
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√ Start performing analysis on al
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Figure 12.22 : - Reports by Advisor
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Figure 12.24 : - Largest Cost Query
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Nested Join If you have less data t
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Nested joins best suited if the tab
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13. Transaction and Locks What is a
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Brushing up the syntaxes To start a
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Figure 13.3: - Locking implemented
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√ Step3:- While “Mr. X” is vi
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√ Step3:- “Mr. X” wants to en
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the “Update” locks to “Exclus
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√ Bulk Update locks:-Bulk Update
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What are “Lock” hints? This is
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