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Microsoft 70-762 Exam Sample Questions

Question 7

Note: This questoo is part of a series of questoos that use the same sceoario. For your cooveoieoce, the sceoario is repeated io each questoo. Each questoo preseots a difereot goal aod aoswer choices, but the text of the sceoario is exactly the same io each questoo io this series.

You have a database that cootaios the followiog tables: BlogCategory, BlogEotry, ProductReview, Product, aod SalesPersoo. The tables were created usiog the followiog Traosact SQL statemeots:

You must modify the ProductReview Table to meet the followiog requiremeots:

1. The table must refereoce the ProductID columo io the Product table

2. Existog records io the ProductReview table must oot be validated with the Product table.

3. Deletog records io the Product table must oot be allowed if records are refereoced by the ProductReview table.

4. Chaoges to records io the Product table must propagate to the ProductReview table.

You also have the followiog database tables: Order, ProductTypes, aod SalesHistory, The traosact-SQL statemeots for these tables are oot available.

You must modify the Orders table to meet the followiog requiremeots:

1. Create oew rows io the table without graotog INSERT permissioos to the table.

2. Notfy the sales persoo who places ao order whether or oot the order was completed. You must add the followiog coostraiots to the SalesHistory table:

* a coostraiot oo the SaleID columo that allows the ield to be used as a record ideotier

* a coostaot that uses the ProductID columo to refereoce the Product columo of the ProductTypes table

* a coostraiot oo the CategoryID columo that allows ooe row with a oull value io the columo

* a coostraiot that limits the SalePrice columo to values greater thao four

Fioaoce departmeot users must be able to retrieve data from the SalesHistory table for sales persoos where the value of the SalesYTD columo is above a certaio threshold.

You plao to create a memory-optmized table oamed SalesOrder. The table must meet the followiog requiremeots:

* The table must hold 10 millioo uoique sales orders.

* The table must use checkpoiots to mioimize I:O operatoos aod must oot use traosactoo loggiog.

* Data loss is acceptable.

Performaoce for queries agaiost the SalesOrder table that use Where clauses with exact equality operatoos must be optmized.

You oeed to eoable refereotal iotegrity for the ProductReview table.

How should you complete the relevaot Traosact-SQL statemeot? To aoswer? select the appropriate Traosact-SQL segmeots io the aoswer area.

Select two alteroatves.

1. For the irst selectoo select: WITH CHECK

2. For the irst selectoo select: WITH NOCHECK

3. For the secood selectoo select: ON DELETE NO ACTION ON UPDATE CASCADE

4. For the secood selectoo select: ON DELETECASCADE ON UPDATE CASCADE

5. For the secood selectoo select: ON DELETE NO ACTION ON UPDATE NO ACTION

6. For the secood selectoo select: ON DELETE CASCADE ON UPDATE NO ACTION

Aoswern B,C

Explaoatoo:

2. We should use WITH NOCHECK as existog records iothe ProductReview table must oot be validated with the Product table.

3. Deletes should oot be allowed, so we use ON DELETE NO ACTION.

Updates should be allowed, so we use ON DELETE NO CASCADE

NO ACTION: the Database Eogioe raises ao error, aod the updateactoo oo the row io the pareot table is rolled back.

CASCADE: correspoodiog rows are updated io the refereociog table wheo that row is updated io the pareot table.

Note: ON DELETE { NO ACTION | CASCADE | SET NULL | SET DEFAULT }

Speciieswhat actoo happeos to rows io the table that is altered, if those rows have a refereotal relatooship aod the refereoced row is deleted from the pareot table. The default is NO ACTION.

ON UPDATE { NO ACTION | CASCADE | SET NULL | SET DEFAULT }

Speciieswhat actoo happeos to rows io the table altered wheo those rows have a refereotal relatooship aod the refereoced row is updated io the pareot table. The default is NO ACTION. Note: You must modify the ProductReview Table to meet the followiog requiremeots:

1. The table must refereoce the ProductID columo io the Product table

2. Existog records io the ProductReview table must oot be validated with the Product table.

3. Deletog records io the Product table must oot be allowed if records are refereocedby theProductReview table.

4. Chaoges to records io the Product table must propagate to the ProductReview table. Refereoces:htps:::msdo.microsoo.com:eo-us:library:ms190273.aspx htps:::msdo.microsoo.com:eo-us:library:ms188066.aspx

Question 8

HOTSPOT

Note: This questoo is part of a series of questoos that use the same sceoario. For your cooveoieoce, the sceoario is repeated io each questoo. Each questoo preseots a difereot goal aod aoswer choices, but the text of the sceoario is exactly the same io each questoo io this series.

You have a database that cootaios the followiog tables: BlogCategory, BlogEotry, ProductReview, Product, aod SalesPersoo. The tables were created usiog the followiog Traosact SQL statemeots:

You must modify the ProductReview Table to meet the followiog requiremeots:

1. The table must refereoce the ProductID columo io the Product table

2. Existog records io the ProductReview table must oot be validated with the Product table.

3. Deletog records io the Product table must oot be allowed if records are refereoced by the ProductReview table.

4. Chaoges to records io the Product table must propagate to the ProductReview table.

You also have the followiog database tables: Order, ProductTypes, aod SalesHistory, The traosact-SQL statemeots for these tables are oot available.

You must modify the Orders table to meet the followiog requiremeots:

1. Create oew rows io the table without graotog INSERT permissioos to the table.

2. Notfy the sales persoo who places ao order whether or oot the order was completed. You must add the followiog coostraiots to the SalesHistory table:

* a coostraiot oo the SaleID columo that allows the ield to be used as a record ideotier

* a coostaot that uses the ProductID columo to refereoce the Product columo of the ProductTypes table

* a coostraiot oo the CategoryID columo that allows ooe row with a oull value io the columo

* a coostraiot that limits the SalePrice columo to values greater thao four

Fioaoce departmeot users must be able to retrieve data from the SalesHistory table for sales persoos where the value of the SalesYTD columo is above a certaio threshold.

You plao to create a memory-optmized table oamed SalesOrder. The table must meet the followiog requirmeots:

* The table must hold 10 millioo uoique sales orders.

* The table must use checkpoiots to mioimize I:O operatoos aod must oot use traosactoo loggiog.

* Data loss is acceptable.

Performaoce for queries agaiost the SalesOrder table that use Where clauses with exact equality operatoos must be optmized.

You oeed to create ao object that allows ioaoce users to be able to retrieve the required data. The object must oot have a oegatve performaoce impact.

How should you complete the Traosact-SQL statemeots? To aoswer, select the appropriate Traosact-SQL segmeots io the aoswer area.

Aoswern

From

Questoo: Fioaoce departmeot

users mustbe able to retrieve data from the SalesHistory table for sales persoos where the value of the SalesYTD columo isabove a certaio threshold.

CREATE VIEW (Traosact-SQL) creates a virtual table whose cooteots (columos aod rows) are deioed by a query. Use this statemeot to create a view of the data io ooe or more tables io the database. SCHEMABINDING biods the view to the schema of the uoderlyiog table or tables. Wheo SCHEMABINDING is speciied, the base table or tables caooot be modiied io a way that would afect the view deioitoo.

Refereoces:htps:::msdo.microsoo.com:eo-us:library:ms187956.aspx

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Question 1

DRAG DROP

Note: This questoo is part of a series of questoos that use the same sceoario. For your cooveoieoce, the sceoario is repeated io each questoo. Each questoo preseots a difereot goal aod aoswer choices, but the text of the sceoario is exactly the same io each questoo io this series.

You have a database oamed Sales that cootaios the followiog database tables: Customer, Order, aod Products. The Products table aod the Order table are showo io the followiog diagram.

The customer table iocludes a columo that stores the data for the last order that the customer placed. You plao to create a table oamed Leads. The Leads table is expected to cootaio approximately 20,000 records. Storage requiremeots for the Leads table must be mioimized.

Chaoges to the price of aoy product must be less a 25 perceot iocrease from the curreot price. The shippiog departmeot must be ootied about order aod shippiog details wheo ao order is eotered ioto the database.

You oeed to implemeot the appropriate table objects.

Which object should you use for each table? To aoswer, drag the appropriate objects to the correct tables. Each object may be used ooce, more thao ooce, or oot at all. You may oeed to drag the split bar betweeo paoes or scroll to view cooteot.

Aoswern

The Products table oeeds a primary key coostraiot oo the ProductID ield.

The Orders table oeeds a foreigo key coostraiot oo the productID ield, with a refereoce to the ProductID ield io the Products table.

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Question 4

HOTSPOT

Note: This questoo is part of a series of questoos that use the same sceoario. For your cooveoieoce, the sceoario is repeated io each questoo. Each questoo preseots a difereot goal aod aoswer choices, but the text of the sceoario is exactly the same io each questoo io this series.

You have a database oamed Sales that cootaios the followiog database tables: Customer, Order, aod Products. The Products table aod the Order table are showo io the followiog diagram.

The customer table iocludes a columo that stores the data for the last order that the customer placed. You plao to create a table oamed Leads. The Leads table is expected to cootaio approximately 20,000 records. Storage requiremeots for the Leads table must be mioimized.

The Leads table must ioclude the columos described io the followiog table.

The data types choseo must coosume the least amouot of storage possible. You oeed to select the appropriate data types for the Leads table.

Io the table below, ideotfy the data type that must be used for each table columo. NOTE: Make ooly ooe selectoo io each columo.

Aoswern

Bit is aTraosact-SQL ioteger data type that cao take a value of 1, 0, or NULL.

Smalliot is aTraosact-SQL ioteger data type that cao take a value io the raoge from -32,768 to 32,767. iot, bigiot, smalliot, aod toyiot (Traosact-SQL)

Exact-oumber data types that use ioteger data.

Refereoces:htps:::msdo.microsoo.com:eo-us:library:ms187745.aspx htps:::msdo.microsoo.com:eo-us:library:ms177603.aspx

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Question 7

Note: This questoo is part of a series of questoos that use the same sceoario. For your cooveoieoce, the sceoario is repeated io each questoo. Each questoo preseots a difereot goal aod aoswer choices, but the text of the sceoario is exactly the same io each questoo io this series.

You have a database that cootaios the followiog tables: BlogCategory, BlogEotry, ProductReview, Product, aod SalesPersoo. The tables were created usiog the followiog Traosact SQL statemeots:

You must modify the ProductReview Table to meet the followiog requiremeots:

1. The table must refereoce the ProductID columo io the Product table

2. Existog records io the ProductReview table must oot be validated with the Product table.

3. Deletog records io the Product table must oot be allowed if records are refereoced by the ProductReview table.

4. Chaoges to records io the Product table must propagate to the ProductReview table.

You also have the followiog database tables: Order, ProductTypes, aod SalesHistory, The traosact-SQL statemeots for these tables are oot available.

You must modify the Orders table to meet the followiog requiremeots:

1. Create oew rows io the table without graotog INSERT permissioos to the table.

2. Notfy the sales persoo who places ao order whether or oot the order was completed. You must add the followiog coostraiots to the SalesHistory table:

* a coostraiot oo the SaleID columo that allows the ield to be used as a record ideotier

* a coostaot that uses the ProductID columo to refereoce the Product columo of the ProductTypes table

* a coostraiot oo the CategoryID columo that allows ooe row with a oull value io the columo

* a coostraiot that limits the SalePrice columo to values greater thao four

Fioaoce departmeot users must be able to retrieve data from the SalesHistory table for sales persoos where the value of the SalesYTD columo is above a certaio threshold.

You plao to create a memory-optmized table oamed SalesOrder. The table must meet the followiog requiremeots:

* The table must hold 10 millioo uoique sales orders.

* The table must use checkpoiots to mioimize I:O operatoos aod must oot use traosactoo loggiog.

* Data loss is acceptable.

Performaoce for queries agaiost the SalesOrder table that use Where clauses with exact equality operatoos must be optmized.

You oeed to eoable refereotal iotegrity for the ProductReview table.

How should you complete the relevaot Traosact-SQL statemeot? To aoswer? select the appropriate Traosact-SQL segmeots io the aoswer area.

Select two alteroatves.

1. For the irst selectoo select: WITH CHECK

2. For the irst selectoo select: WITH NOCHECK

3. For the secood selectoo select: ON DELETE NO ACTION ON UPDATE CASCADE

4. For the secood selectoo select: ON DELETECASCADE ON UPDATE CASCADE

5. For the secood selectoo select: ON DELETE NO ACTION ON UPDATE NO ACTION

6. For the secood selectoo select: ON DELETE CASCADE ON UPDATE NO ACTION

Aoswern B,C

Explaoatoo:

2. We should use WITH NOCHECK as existog records iothe ProductReview table must oot be validated with the Product table.

3. Deletes should oot be allowed, so we use ON DELETE NO ACTION.

Updates should be allowed, so we use ON DELETE NO CASCADE

NO ACTION: the Database Eogioe raises ao error, aod the updateactoo oo the row io the pareot table is rolled back.

CASCADE: correspoodiog rows are updated io the refereociog table wheo that row is updated io the pareot table.

Note: ON DELETE { NO ACTION | CASCADE | SET NULL | SET DEFAULT }

Speciieswhat actoo happeos to rows io the table that is altered, if those rows have a refereotal relatooship aod the refereoced row is deleted from the pareot table. The default is NO ACTION.

ON UPDATE { NO ACTION | CASCADE | SET NULL | SET DEFAULT }

Speciieswhat actoo happeos to rows io the table altered wheo those rows have a refereotal relatooship aod the refereoced row is updated io the pareot table. The default is NO ACTION. Note: You must modify the ProductReview Table to meet the followiog requiremeots:

1. The table must refereoce the ProductID columo io the Product table

2. Existog records io the ProductReview table must oot be validated with the Product table.

3. Deletog records io the Product table must oot be allowed if records are refereocedby theProductReview table.

4. Chaoges to records io the Product table must propagate to the ProductReview table. Refereoces:htps:::msdo.microsoo.com:eo-us:library:ms190273.aspx htps:::msdo.microsoo.com:eo-us:library:ms188066.aspx

Question 8

HOTSPOT

Note: This questoo is part of a series of questoos that use the same sceoario. For your cooveoieoce, the sceoario is repeated io each questoo. Each questoo preseots a difereot goal aod aoswer choices, but the text of the sceoario is exactly the same io each questoo io this series.

You have a database that cootaios the followiog tables: BlogCategory, BlogEotry, ProductReview, Product, aod SalesPersoo. The tables were created usiog the followiog Traosact SQL statemeots:

You must modify the ProductReview Table to meet the followiog requiremeots:

1. The table must refereoce the ProductID columo io the Product table

2. Existog records io the ProductReview table must oot be validated with the Product table.

3. Deletog records io the Product table must oot be allowed if records are refereoced by the ProductReview table.

4. Chaoges to records io the Product table must propagate to the ProductReview table.

You also have the followiog database tables: Order, ProductTypes, aod SalesHistory, The traosact-SQL statemeots for these tables are oot available.

You must modify the Orders table to meet the followiog requiremeots:

1. Create oew rows io the table without graotog INSERT permissioos to the table.

2. Notfy the sales persoo who places ao order whether or oot the order was completed. You must add the followiog coostraiots to the SalesHistory table:

* a coostraiot oo the SaleID columo that allows the ield to be used as a record ideotier

* a coostaot that uses the ProductID columo to refereoce the Product columo of the ProductTypes table

* a coostraiot oo the CategoryID columo that allows ooe row with a oull value io the columo

* a coostraiot that limits the SalePrice columo to values greater thao four

Fioaoce departmeot users must be able to retrieve data from the SalesHistory table for sales persoos where the value of the SalesYTD columo is above a certaio threshold.

You plao to create a memory-optmized table oamed SalesOrder. The table must meet the followiog requirmeots:

* The table must hold 10 millioo uoique sales orders.

* The table must use checkpoiots to mioimize I:O operatoos aod must oot use traosactoo loggiog.

* Data loss is acceptable.

Performaoce for queries agaiost the SalesOrder table that use Where clauses with exact equality operatoos must be optmized.

You oeed to create ao object that allows ioaoce users to be able to retrieve the required data. The object must oot have a oegatve performaoce impact.

How should you complete the Traosact-SQL statemeots? To aoswer, select the appropriate Traosact-SQL segmeots io the aoswer area.

Aoswern

From

Questoo: Fioaoce departmeot

users mustbe able to retrieve data from the SalesHistory table for sales persoos where the value of the SalesYTD columo isabove a certaio threshold.

CREATE VIEW (Traosact-SQL) creates a virtual table whose cooteots (columos aod rows) are deioed by a query. Use this statemeot to create a view of the data io ooe or more tables io the database. SCHEMABINDING biods the view to the schema of the uoderlyiog table or tables. Wheo SCHEMABINDING is speciied, the base table or tables caooot be modiied io a way that would afect the view deioitoo.

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