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Micros oft 70-76 1 Querying Data with Transact-SQL https://www.realexamcollection.com/microsoft/70-761-dumps.html Question: 1 DRAG DROP 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 query a database that includes two tables: Project and Task. The Project table includes the following columns: Task level is defined using the following rules: You need to determine the task level for each task in the hierarchy. Which five Transact-SQL segments should you use to develop the solution? To answer, move the appropriate Transact-SQL segments from the list of Transact-SQL segments to the answer area and arrange them in the correct order. Answer: Explanation: Box 1: SELECT CAST (NULL AS INT) AS ParentTaskID, etc. This statement selects all tasks with task level 0. The ParentTaskID could be null so we should use CAST (NULL AS INT) AS ParentTaskID. Box 2: UNION We should use UNION and not UNION ALL as we do not went duplicate rows. UNION specifies that multiple result sets are to be combined and returned as a single result set. Incorrect: Not UNION ALL: ALL incorporates all rows into the results. This includes duplicates. If not specified, duplicate rows are removed. Box 3, Box 4, Box 5: These statements select all tasks with task level >0. References: https://msdn.microsoft.com/en-us/library/ms180026.aspx Question: 2 DRAG DROP 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 query a database that includes two tables: Project and Task. The Project table includes the following columns: When running an operation, you updated a column named EndTime for several records in the Project table, but updates to the corresponding task records in the Task table failed. You need to synchronize the value of the EndTime column in the Task table with the value of the EndTime column in the project table. The solution must meet the following requirements: * If the EndTime column has a value, make no changes to the record. * If the value of the EndTime column is null and the corresponding project record is marked as completed, update the record with the project finish time. Which four Transact-SQL segments should you use to develop the solution? To answer, move the appropriate Transact-SQL segments from the list of Transact-SQL segments to the answer area and arrange them in the correct order. Answer: Explanation: Box 1: UPDATE T SET T.EndTime = P.EndTime We are updating the EndTime column in the Task table. Box 2: FROM Task AS T Where are updating the task table. Box 3:INNER JOIN Project AS P on T.ProjectID = P.ProjectID We join with the Project table (on the ProjectID columnID column). Box 4: WHERE P.EndTime is NOT NULL AND T.EndTime is NULL We select the columns in the Task Table where the EndTime column in the Project table has a value (NOT NULL), but where it is NULL in the Task Table. References: https://msdn.microsoft.com/en-us/library/ms177523.aspx Question: 3 DRAG DROP You need to create a stored procedure that meets the following requirements: *Produces a warning if the credit limit parameter is greater than 7,000 *Propagates all unexpected errors to the calling process How should you complete the Transact-SQL statement? To answer, drag the appropriate Transact-SQP segments to the correct locations. Each Transact-SQL segments 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. Answer: Explanation: Box 1: THROW 51000, 'Warning: Credit limit is over 7,000!",1 THROW raises an exception and transfers execution to a CATCH block of a TRY…CATCH construct in SQL Server. THROW syntax: THROW [ { error_number | @local_variable }, { message | @local_variable }, { state | @local_variable } ] [ ; ] Box 2: RAISERROR (@ErrorMessage, 16,1) RAISERROR generates an error message and initiates error processing for the session. RAISERROR can either reference a user-defined message stored in the sys.messages catalog view or build a message dynamically. The message is returned as a server error message to the calling application or to an associated CATCH block of a TRY…CATCH construct. New applications should use THROW instead. Severity levels from 0 through 18 can be specified by any user. Severity levels from 19 through 25 can only be specified by members of the sysadmin fixed server role or users with ALTER TRACE permissions. For severity levels from 19 through 25, the WITH LOG option is required. On Severity level 16. Using THROW to raise an exception The following example shows how to use the THROW statement to raise an exception. Transact-SQL THROW 51000, 'The record does not exist.', 1; Here is the result set. Msg 51000, Level 16, State 1, Line 1 The record does not exist. Note: RAISERROR syntax: RAISERROR ( { msg_id | msg_str | @local_variable } { ,severity ,state } [ ,argument [ ,...n ] ] ) [ WITH option [ ,...n ] ] Note: The ERROR_MESSAGE function returns the message text of the error that caused the CATCH block of a TRY…CATCH construct to be run. References: https://msdn.microsoft.com/en-us/library/ms178592.aspx https://msdn.microsoft.com/en-us/library/ms190358.aspx https://msdn.microsoft.com/en-us/library/ee677615.aspx Question: 4 HOT SPOT You have the following stored procedure: You run the following Transact-SQL statements: What is the result of each Transact-SQL statement? To answer, select the appropriate options in the answer area. https://www.realexamcollection.com/microsoft/70-761-dumps.html
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