70-762 | Microsoft 70-762 Exam Questions and Answers 2019

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NEW QUESTION 1
You have the following stored procedure:
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The Numbers table becomes unavailable when you run the stored procedure. The stored procedure obtains an exclusive lock on the table and does not release the lock.
What are two possible ways to resolve the issue? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

  • A. Remove the implicit transaction and the SET ANSI_DEFAULTS ON statement.
  • B. Set the ANSI_DEFAULT statement to OFF and add a COMMIT TRANSACTION statement after the INSERT statement.
  • C. Add a COMMIT TRANSACTION statement after the INSERT statement.
  • D. Remove the SET ANSI DEFAULTS ON statement.

Answer: B

NEW QUESTION 2
You are performing a code review for Transact-SQL statements.
What action does the constraint in each statement perform? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
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    Answer:

    Explanation: 70-762 dumps exhibit

    NEW QUESTION 3
    Background
    You have a database named HR1 that includes a table named Employee.
    You have several read-only, historical reports that contain regularly changing totals. The reports use multiple queries to estimate payroll expenses. The queries run concurrently. Users report that the payroll estimate reports do not always run. You must monitor the database to identify issues that prevent the reports from running.
    You plan to deploy the application to a database server that supports other applications. You must minimize the amount of storage that the database requires.
    Employee Table
    You use the following Transact-SQL statements to create, configure, and populate the Employee table:
    70-762 dumps exhibit
    Application
    You have an application that updates the Employees table. The application calls the following stored procedures simultaneously and asynchronously:
    - UspA: This stored procedure updates only the EmployeeStatus column.
    - UspB: This stored procedure updates only the EmployeePayRate column.
    The application uses views to control access to data. Views must meet the following requirements:
    - Allow user access to all columns in the tables that the view accesses.
    - Restrict updates to only the rows that the view returns. Exhibit
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    Users must only be able to modify data in the Employee table by using the vwEmployee view. You must prevent users from viewing the view definition in catalog views.
    You need to identify the view attribute to use when creating vwEmployee. In the table below, identify the attributes that you must use.
    NOTE: Make only one selection in each column.
    70-762 dumps exhibit

      Answer:

      Explanation: References: https://msdn.microsoft.com/en-us/library/ms187956.aspx

      NEW QUESTION 4
      Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
      You have a database named DB1 that includes a table named sales .orders. You grant a user named User1 select permissions on the Sales schema.
      You need to ensure that User1 can select data from the sales .orders table without specifying the schema name in any Transact -SQL statements.
      Solution: You set the default database for User1 to DB1. Does the solution meet the goal?

      • A. Yes
      • B. No

      Answer: B

      NEW QUESTION 5
      Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
      You have a database that contains a table named Employees. The table stores information about the employees of your company.
      You need to implement and enforce the following business rules:
      - Limit the values that are accepted by the Salary column.
      - Prevent salaries less than $15,000 and greater than $300,000 from being entered.
      - Determine valid values by using logical expressions.
      - Do not validate data integrity when running DELETE statements.
      Solution: You implement cascading referential integrity constraints on the table. Does the solution meet the goal?

      • A. Yes
      • B. No

      Answer: A

      Explanation: References: https://technet.microsoft.com/en-us/library/ms186973(v=sql.105).aspx

      NEW QUESTION 6
      You have a Microsoft Azure SQL Database named MyDb that uses server version V12.
      You plan to use Query Performance Insight to troubleshoot performance problems. The database query store is not enabled.
      You need to enable the database query store to meet the following requirements for the database:
      - Statistics must be aggregated every 15 minutes.
      - Query stores must use no more than 1,024 megabytes (MB) of storage.
      - Query information must be retained for at least 15 days.
      - Queries must be captured based on resource consumption.
      You connect to the database by using SQL Server Managements Studio.
      How should you complete the Transact-SQL statements? To answer, drag the appropriate Transact-SQL segments to the correct locations. Each Transact-SQL segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
      NOTE: More than one combination of answer choices is correct. You will receive credit for any of the correct combinations you select. Each correct selection is worth one point.
      70-762 dumps exhibit

        Answer:

        Explanation: 70-762 dumps exhibit
        or
        70-762 dumps exhibit
        Both answers are correct.
        References: https://msdn.microsoft.com/en-us/library/mt604821.aspx

        NEW QUESTION 7
        You have a table named Person.Address that includes the following columns:
        AddressID
        AddressLine1
        AddressLine2
        City
        StateProvinceID
        PostakCode
        RowGuid
        ModifiedDate
        You need to create a nonclustered index on PostalCode named IX_Address_PostalCode that uses the following included columns:
        AddressLine1
        AddressLine2
        City
        StateProvinceID
        How should you complete the Transact-SQL statement? To answer, select the appropriate Transact_SQL segments in the answer are.
        70-762 dumps exhibit

          Answer:

          Explanation: Box 1: INDEX
          Box 2: ON
          Box 3: INCLUDE
          INCLUDE (column [ ,... n ] ) specifies the non-key columns to be added to the leaf level of the nonclustered index. The nonclustered index can be unique or non-unique.
          References:
          https://docs.microsoft.com/en-us/sql/t-sql/statements/create-index-transact-sql?view=sql-server-2017

          NEW QUESTION 8
          Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some questions sets might have more than one correct solution, while others might not have a correct solution.
          After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
          You have a 3-TB database. The database server has 64 CPU cores. You plan to migrate the database to Microsoft Azure SQL Database.
          You need to select the service tier for the Azure SQL database. The solution must meet or exceed the current processing capacity.
          Solution: You select the Premium service tier. Does this meet the goal?

          • A. Yes
          • B. No

          Answer: A

          Explanation: Premium service is required for 3 TB of storage. Single database DTU and storage limits
          70-762 dumps exhibit
          References: https://docs.microsoft.com/en-us/azure/sql-database/sql-database-service-tiers-dtu

          NEW QUESTION 9
          Note: The question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other question in the series. Information and details provided in a question apply only to that question.
          You have a database named DB1. The database does not have a memory optimized filegroup. You create a table by running the following Transact-SQL statement:
          70-762 dumps exhibit
          The table is currently used for OLTP workloads. The analytics user group needs to perform real-time operational analytics that scan most of the records in the table to aggregate on a number of columns.
          You need to add the most efficient index to support the analytics workload without changing the OLTP application.
          What should you do?

          • A. Create a clustered index on the table.
          • B. Create a nonclustered index on the table.
          • C. Create a nonclustered filtered index on the table.
          • D. Create a clustered columnstore index on the table.
          • E. Create a nonclustered columnstore index on the table.
          • F. Create a hash index on the table.

          Answer: E

          Explanation: A nonclustered columnstore index enables real-timeoperational analytics in which the OLTP workload uses the underlying clustered index, while analytics run concurrently on the columnstore index.
          Columnstore indexes can achieve up to 100xbetter performance on analytics and data warehousing workloads and up to 10x better data compression than traditional rowstore indexes. These recommendations will help your queries achieve the very fast query performance that columnstore indexes are designed to provide.
          References: https://msdn.microsoft.com/en-us/library/gg492088.aspx

          NEW QUESTION 10
          Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is exactly the same in each question in this series.
          You have a database named DB1 that contains the following tables: Customer, CustomerToAccountBridge, and CustomerDetails. The three tables are part of the Sales schema. The database also contains a schema
          named Website. You create the Customer table by running the following Transact-SQL statement:
          70-762 dumps exhibit
          The value of the CustomerStatus column is equal to one for active customers. The value of the Account1Status and Account2Status columns are equal to one for active accounts. The following table displays selected columns and rows from the Customer table.
          70-762 dumps exhibit
          You plan to create a view named Website.Customer and a view named Sales.FemaleCustomers. Website.Customer must meet the following requirements:
          * Allow users access to the CustomerName and CustomerNumber columns for active customers.
          * Allow changes to the columns that the view references. Modified data must be visible through the view.
          * Prevent the view from being published as part of Microsoft SQL Server replication. Sales.Female.Customers must meet the following requirements:
          * Allow users access to the CustomerName, Address, City, State and PostalCode columns.
          * Prevent changes to the columns that the view references.
          * Only allow updates through the views that adhere to the view filter.
          You have the following stored procedures: spDeleteCustAcctRelationship and spUpdateCustomerSummary. The spUpdateCustomerSummary stored procedure was created by running the following Transacr-SQL statement:
          70-762 dumps exhibit
          You run the spUpdateCustomerSummary stored procedure to make changes to customer account summaries. Other stored procedures call the spDeleteCustAcctRelationship to delete records from the CustomerToAccountBridge table.
          You must update the design of the Customer table to meet the following requirements.
          * You must be able to store up to 50 accounts for each customer.
          * Users must be able to retrieve customer information by supplying an account number.
          * Users must be able to retrieve an account number by supplying customer information.
          Which three Transact_SQL segments should you use to develop the solution? To answer, move the appropriate code blocks from the list of code blocks to the answer area and arrange them in the correct order.
          70-762 dumps exhibit

            Answer:

            Explanation: Box 1: Clustered Index
            With the same size of keys, the nonclustered indexes need more space than clustered indexes. Box 2, Box 3:
            Include the CustomerStatus column in the index, and only when CustomerStatusnot equal to 1 (the active customers).
            References:
            http://www.sqlserverlogexplorer.com/overview-of-cluster-and-noncluster-index/

            NEW QUESTION 11
            Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
            You need to create a stored procedure that updates the Customer, CustomerInfo, OrderHeader, and OrderDetails tables in order.
            You need to ensure that the stored procedure:
            - Runs within a single transaction.
            - Commits updates to the Customer and CustomerInfo tables regardless of the status of updates to the OrderHeader and OrderDetail tables.
            - Commits changes to all four tables when updates to all four tables are successful. Solution: You create a stored procedure that includes the following Transact-SQL segment:
            70-762 dumps exhibit
            Does the solution meet the goal?

            • A. Yes
            • B. No

            Answer: B

            Explanation: References:
            http://stackoverflow.com/questions/11444923/stored-procedure-to-update-multiple-tables

            NEW QUESTION 12
            Database users report that SELECT statements take a long time to return results. You run the following Transact-SQL statement:
            70-762 dumps exhibit
            You need to create one nonclustered na index that contains all of the columns in the above table. You must minimize index

            • A. CREATE NONCLUSTERED INDEX IX_User ON Users (CountryCode, UserStatus, UserName);
            • B. CREATE NONCLUSTERED INDEX IX_User ON Users (CountryCode, UserStatus) INCLUDE (UserName);
            • C. CREATE NONCLUSTERED INDEX IX_User ON Users (CountryCode, UserName);
            • D. CREATE NONCLUSTERED INDEX IX_User ON Users (UserStatus, CountryCode) INCLUDE (UserName);

            Answer: D

            NEW QUESTION 13
            Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some questions sets might have more than one correct solution, while others might not have a correct solution.
            After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
            You have a database that is 130 GB and contains 500 million rows of data.
            Granular transactions and mass batch data imports change the database frequently throughout the day. Microsoft SQL Server Reporting Services (SSRS) uses the database to generate various reports by using several filters.
            You discover that some reports time out before they complete. You need to reduce the likelihood that the reports will time out.
            Solution: You change the transaction log file size to expand dynamically in increments of 200 MB. Does this meet the goal?

            • A. Yes
            • B. No

            Answer: B

            NEW QUESTION 14
            You are analyzing the performance of a database environment. You need to find all unused indexes in the current database.
            How should you complete the Transact-SQL statement? To answer, select the appropriate Transact-SQL segments in the answer area.
            70-762 dumps exhibit

              Answer:

              Explanation: Example: Following query helps you to find all unused indexes within database using sys.dm_db_index_usage_stats DMV.
              -- Ensure a USE statement has been executed first. SELECT u.*
              FROM [sys].[indexes] i
              INNER JOIN[sys].[objects] o ON (i.OBJECT_ID = o.OBJECT_ID)
              LEFT JOIN [sys].[dm_db_index_usage_stats] u ON (i.OBJECT_ID = u.OBJECT_ID) AND i.[index_id] = u.[index_id]
              AND u.[database_id] = DB_ID() --returning the database ID of the current database WHERE o.[type] <>'S' --shouldn't be a system base table
              AND i.[type_desc] <> 'HEAP' AND i.[name] NOT LIKE 'PK_%'
              AND u.[user_seeks] + u.[user_scans] + u.[user_lookups] = 0 AND u.[last_system_scan] IS NOT NULL
              ORDER BY 1 ASC
              References: https://basitaalishan.com/2012/06/15/find-unused-indexes-using-sys-dm_db_index_usage_stats/

              NEW QUESTION 15
              You run the following Transact-SQL statements:
              70-762 dumps exhibit
              Records must only be added to the orders table by using the view. If a customer name does not exist then a new customer name must be created.
              You need to ensure that you can insert rows into the orders table by using the view. What should you do?

              • A. Add the CustomerlD column from the Orders table and the WfTH CHECK OPTION statement to the view.
              • B. Create an INSTEAD of trigger on the view.
              • C. Add the WITH SCHEMABINDING statement to the view statement and create a clustered index on the view.
              • D. Remove the subquery from the view, add the WITH SCHEMABINDING statement, and add a trigger to the Orders table to perform the required logic.

              Answer: C

              NEW QUESTION 16
              You must create two staging database tables. The tables have the following requirements:
              70-762 dumps exhibit
              You need to select the correct storage mechanism for each table.
              Which storage mechanism should you use? To answer, drag the appropriate table types to the correct tables. Each table type may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
              70-762 dumps exhibit

                Answer:

                Explanation: 70-762 dumps exhibit

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