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Microsoft 070-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Troubleshoot and Optimize Queries | 15-20% | - Use query hints and execution plans - Analyze execution plans - Identify and resolve performance issues - Optimize indexes and statistics |
| Create Database Objects | 27-32% | - Create stored procedures - Design and implement tables - Create functions and triggers - Create and modify views - Create and alter indexes |
| Manage and Maintain Databases | 20-25% | - Monitor SQL Server activity - Implement security principles - Implement high availability features - Manage backups and restores - Configure SQL Server instances |
| Work with Data | 28-33% | - Manage transactions and error handling - Implement subqueries and joins - Apply built-in functions and aggregate functions - Query data using SELECT statements - Modify data using INSERT, UPDATE, DELETE |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
You use Microsoft SQL Server 2012 to develop a database application. You create a stored procedure named DeleteJobCandidate. You need to ensure that if DeleteJobCandidate encounters an error, the execution of the stored procedure reports the error number. Which Transact-SQL statement should you use?
- A. EXEC DeleteJobCandidate
PRINT N'Error = ' + CAST(@@ERROR AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@ROWCOUNT AS NVARCHAR(8));
GO - B. EXEC DeleteJobCandidate
IF (ERROR_STATE() != 0)
PRINT N'Error = ' + CAST(@@ERROR AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@ROWCOUNT AS NVARCHAR(8));
GO - C. DECLARE @ErrorVar INT; DECLARE @RowCountVar INT;
EXEC DeleteJobCandidate
SELECT @ErrorVar = @@ERROR, @RowCountVar = @@ROWCOUNT;
IF (@ErrorVar <> 0)
PRINT N'Error = ' + CAST(@@ErrorVar AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@RowCountVar AS NVARCHAR(8));
GO - D. DECLARE @ErrorVar INT; DECLARE @RowCountVar INT;
EXEC DeleteJobCandidate
SELECT @ErrorVar = ERROR_STATE(), @RowCountVar = @@ROWCOUNT;
IF (@ErrorVar <> 0)
PRINT N'Error = ' + CAST(ERRORSTATE() AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@RowCountVar AS NVARCHAR(8));
GO
Correct Answer: C 🗳️
Explanation: Only visible for Exam4Free members. You can sign-up / login (it's free).
You create the following stored procedure. (Line numbers are included for reference only.)
You need to ensure that the stored procedure performs the following tasks: If a record exists, update the record. If no record exists, insert a new record.
Which four Transact-SQL statements should you insert at line 07? (To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.)
Build List and Reorder:
Correct Answer:
Explanation:
--Burgos - NO
Reference: http://technet.microsoft.com/en-us/library/bb510625.aspx
You use a Microsoft SQL Server 2012 database that contains a table named BlogEntry that has the following columns:
Id is the Primary Key.
You need to append the "This is in a draft stage" string to the Summary column of the recent 10 entries
based on the values in EntryDateTime. Which Transact-SQL statement should you use?
- A. UPDATE BlogEntry SET Summary = CAST(N' This is in a draft stage' as nvarchar(max)) WHERE Id IN(SELECT TOP(10) Id FROM BlogEntry ORDER BY EntryDateTime DESC)
- B. UPDATE TOP(10) BlogEntry SET Summary.WRITE(N' This is in a draft stage', NULL, 0)
- C. UPDATE BlogEntry SET Summary.WRITE(N' This is in a draft stage', NULL, 0) FROM ( SELECT TOP(10) Id FROM BlogEntry ORDER BY EntryDateTime DESC) AS s WHERE BlogEntry.Id = s.ID
- D. --this option was diferent im my exam UPDATE BlogEntry SET Summary.WRITE(N' This is in a draft stage', 0, 0) WHERE Id IN(SELECT TOP(10) Id FROM BlogEntry ORDER BY EntryDateTime DESC)
Correct Answer: A 🗳️
Explanation: Only visible for Exam4Free members. You can sign-up / login (it's free).
You develop a Microsoft SQL Server 2012 database. You need to create a batch process that meets the following requirements:
Returns a result set based on supplied parameters.
Enables the returned result set to perform a join with a table.
Which object should you use?
- A. Scalar user-defined function
- B. Inline user-defined function
- C. Table-valued user-defined function
- D. Stored procedure
Correct Answer: C 🗳️
You administer a Microsoft SQL Server 2012 instance that has several SQL Server Agent jobs configured.
When SQL Server Agent jobs fail, the error messages returned by the job steps do not provide the required
detail. The following error message is an example error message:
"The job failed. The Job was invoked by User CONTOSO\ServiceAccount. The last step to run was step 1
(Subplan_1)."
You need to ensure that all available details of the job step failures for SQL Server Agent jobs are retained.
What should you do?
- A. Configure output files.
- B. Expand agent logging to include information from all events.
- C. Configure event forwarding.
- D. Disable the Limit size of job history log feature.
Correct Answer: A 🗳️
Explanation: Only visible for Exam4Free members. You can sign-up / login (it's free).
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