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Share some MCSA 70-762 exam questions and answers below.
You
are a database developer for a company. The company has a server that
has multiple physical disks. The disks are not part of a RAID array. The
server hosts three Microsoft SQL Server instances. There are many SQL
jobs that run during off-peak hours. You observe that many deadlocks
appear to be happening during specific times of the day. You need to
monitor the SQL environment and capture the information about the
processes that are causing the deadlocks. What should you do?
A. A. Create a sys.dm_os_waiting_tasks query.
B. Create a sys.dm_exec_sessions query.
C. Create a PerformanceMonitor Data Collector Set.
D. Create a sys.dm_os_memory_objects query.
E. Create a sp_configure 'max server memory' query.
F. Create a SQL Profiler trace.
G. Create a sys.dm_os_wait_stats query.
H. Create an Extended Event.
Answer: F
HOTSPOT
You have a database named Sales that contains the following database tables: Customer, Order, and Products.
The Products table and the Order table are shown in the following diagram.
The customer table includes a column that stores the data for the last order that the customer placed.
You
plan to create a table named Leads. The Leads table is expected to
contain approximately 20,000 records. Storage requirements for the Leads
table must be minimized.
You need to modify the database design to meet the following requirements:
In the table below, identify the constraint that must be configured for each table.
NOTE: Make only one selection in each column.
Answer:
HOTSPOT
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:
You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You
also have the following database tables: Order, ProductTypes, and
SalesHistory. The transact-SOL statements for these tables are not
available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
-
a constraint that limits the Sale Price column to values greater than
four Finance department users must be able to retrieve data from the
SalesHistory table for sales persons where the value of the SalesYTD
column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder. The table must meet the following requirements:
- The table must hold 10 million unique sales orders.
- The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use Where clauses with exact equality operations must be optimized.
You need to create a stored procedure named spDeleteCategory to delete records in the database.
The stored procedure must meet the following requirements:
1. Delete records in both the BlogEntry and BlogCategory tables where Categoryld equals parameter @Categoryld.
2. Avoid locking the entire table when deleting records from the BlogCategory table.
3.
If an error occurs during a delete operation on either table, all
changes must be rolled back, otherwise all changes should be committed.
How should you complete the procedure? To answer, select the appropriate Transact-SOL segments in the answer area.
Answer:
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:
You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You
also have the following database tables: Order, ProductTypes, and
SalesHistory, The transact-SOL statements for these tables are not
available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
-
a constraint that limits the Sale Price column to values greater than
four Finance department users must be able to retrieve data from the
SalesHistory table for sales persons where the value of the SalesYTD
column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder.
The table must meet the following requirements:
- The table must hold 10 million unique sales orders.
- The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use where clauses with exact equality operations must be optimized.
You need to modify the design of the Orders table.
What should you create?
A. a stored procedure with the RETURN statement
B. a FOR UPDATE trigger
C. an AFTER UPDATE trigger
D. a user defined function
Answer: D
HOTSPOT
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:
You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You
also have the following database tables: Order, ProductTypes, and
SalesHistory, The transact-SOL statements for these tables are not
available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
-
a constraint that limits the Sale Price column to values greater than
four Finance department users must be able to retrieve data from the
SalesHistory table for sales persons where the value of the SalesYTD
column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder.
The table must meet the following requirments:
- The table must hold 10 million unique sales orders.
- The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use where clauses with exact equality operations must be optimized.
You
need to create an object that allows finance users to be able to
retrieve the required data. The object must not have a negative
performance impact.
How should you complete the Transact-SOL statements? To answer, select the appropriate TransactSOL segments in the answer area.
Answer:
You
are a database developer for a company. The company has a server that
has multiple physical disks. The disks are not part of a RAID array. The
server hosts three Microsoft SQL Server instances. There are many SQL
jobs that run during off-peak hours. You must monitor the SQL Server
instances in real time and optimize the server to maximize throughput,
response time, and overall SQL performance. You need to ensure that the
performance of each instance is consistent for the same queried and
query plans. What should you do?
A. Create a sys.dm_os_waiting_tasks query.
B. Create a sys.dm_exec_sessions query.
C. Create a Performance Monitor Data Collector Set.
D. Create a sys.dm_os_memory_objects query.
E. Create a sp_conftgure 'max server memory' query.
F. Create aSQL Profiler trace.
G. Create asys.dm_os_wait_stats query.
H. Create an Extended Event.
Answer: H
You
are developing and application to track customer sales. You need to
return the sum of orders that have been finalized, given a specified
order identifier. This value will be used in other Transact-SOL
statements. You need to create a database object. What should you
create?
A. extended procedure
B. CLR procedure
C. user-defined procedure
D. DML trigger
E. scalar-valued function
F. table-valued function
Answer: F
You
are a database developer for a company. The company has a server that
has multiple physical disks. The disks are not part of a RAID array. The
server hosts three Microsoft SQL Server instances. There are many SQL
jobs that run during off-peak hours. You must monitor and optimize the
SQL Server to maximize throughput, response time, and overall SQL
performance. You need to identify previous situations where a
modification has prevented queries from selecting data in tables. What
should you do?
A. Create a sys.dm_os_waiting_tasks query.
B. Create a sys.dm_exec_sessions query.
C. Create a Performance Monitor Data Collector Set.
D. Create a sys.dm_os_memory_objects query.
E. Create a sp_configure 'max server memory' query.
F. Create a SQL Profiler trace.
G. Create a sys.dm_os_wait_stats query.
H. Create an Extended Event.
Answer: G
HOTSPOT
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:
You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You
also have the following database tables: Order, ProductTypes, and
SalesHistory, The transact-SOL statements for these tables are not
available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
-
a constraint that limits the Sale Price column to values greater than
four Finance department users must be able to retrieve data from the
SalesHistory table for sales persons where the value of the SalesYTD
column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder.
The table must meet the following requirements:
-The table must hold 10 million unique sales orders.
-The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use Where clauses with exact equality operations must be optimized.
You need to create the Sales Order table
How should you complete the table definition? To answer? select the appropriate Transact-SOL segments in the answer area.
Answer:
HOTSPOT
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:
You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You
also have the following database tables: Order, ProductTypes, and
SalesHistory, The transact-SOL statements for these tables are not
available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
-
a constraint that limits the Sale Price column to values greater than
four Finance department users must be able to retrieve data from the
SalesHistory table for sales persons where the value of the SalesYTD
column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder.
The table must meet the following requirements:
-The table must hold 10 million unique sales orders.
-The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use Where clauses with exact equality operations must be optimized.
You need to update the SalesHistory table
How should you complete the Transact_SQL statement? To answer? select the appropriate TransactSOL, segments in the answer area.
Answer:
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