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Microsoft 70-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Manage and Maintain Databases | 20-25% | - Implement high availability features - Implement security principles - Monitor SQL Server activity - Configure SQL Server instances - Manage backups and restores |
| Topic 2: Troubleshoot and Optimize Queries | 15-20% | - Identify and resolve performance issues - Optimize indexes and statistics - Use query hints and execution plans - Analyze execution plans |
| Topic 3: Work with Data | 28-33% | - Modify data using INSERT, UPDATE, DELETE - Implement subqueries and joins - Manage transactions and error handling - Query data using SELECT statements - Apply built-in functions and aggregate functions |
| Topic 4: Create Database Objects | 27-32% | - Create and modify views - Create stored procedures - Create and alter indexes - Design and implement tables - Create functions and triggers |
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 two tables by using the following table definitions.
Which six Transact-SQL statements should you use? (To answer, move the appropriate SQL 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
You are writing a set of queries against a FILESTREAM-enabled database. You create a stored procedure that will update multiple tables within a transaction. You need to ensure that if the stored procedure raises a run-time error, the entire transaction is terminated and rolled back. Which Transact-SQL statement should you include at the beginning of the stored procedure?
- A. SET TRANSACTION ISOLATION LEVEL SNAPSHOT
- B. SET XACT_ABORT OFF
- C. SET XACT_ABORT ON
- D. SET IMPLICIT TRANSACTIONS OFF
- E. SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
- F. SET IMPLICIT_TRANSACTIONS ON
Correct Answer: C 🗳️
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
You use Microsoft SQL Server 2012 database to develop a shopping cart application. You need to rotate the unique values of the ProductName field of a table-valued expression into multiple columns in the output. Which Transact-SQL operator should you use?
- A. UNPIVOT
- B. CROSS JOIN
- C. PIVOT
- D. CROSS APPLY
Correct Answer: C 🗳️
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
You have a database that contains the tables as shown in the exhibit. (Click the Exhibit button.)
You need to create a query that returns a list of products from Sales.ProductCatalog. The solution must meet the following requirements:
UnitPrice must be returned in descending order.
The query must use two-part names to reference the table.
The query must use the RANK function to calculate the results.
The query must return the ranking of rows in a column named PriceRank.
The list must display the columns in the order that they are defined in the table.
PriceRank must appear last.
Which code segment should you use?
To answer, type the correct code in the answer area.
- A. SELECT ProductCatalog.CatID, ProductCatalog.CatName, ProductCatalog. ProductID, ProductCatalog.ProdName, ProductCatalog.UnitPrice, RANK() OVER (ORDER BY ProductCatalog.UnitPrice DESC) AS PriceRank FROM Sales.ProductCatalog ORDER BY ProductCatalog.UnitPrice DESC
- B. SELECT ProductCatalog.CatID, ProductCatalog.CatName, ProductCatalog. ProductID, ProductCatalog.ProdName, ProductCatalog.UnitPrice, RANK() OVER (PARTITION BY ProductCatalog.UnitPrice ORDER BY ProductCatalog. UnitPrice DESC) AS PriceRank FROM Sales.ProductCatalog ORDER BY ProductCatalog.UnitPrice DESC
Correct Answer: A 🗳️
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
You develop a database for a travel application. You need to design tables and other database objects. You create a stored procedure. You need to supply the stored procedure with multiple event names and their dates as parameters. What should you do?
- A. Use an appropriate collation.
- B. Use the DATETIMEOFFSET data type.
- C. Use a user-defined table type.
- D. Use the TODATETIMEOFFSET function.
- E. Use the DATE data type.
- F. Use the FORMAT function.
- G. Use the CAST function.
- H. Use the VARBINARY data type.
- I. Use the DATETIME data type.
- J. Use the DATETIME2 data type.
Correct Answer: C 🗳️
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
No help, Full refund!
Actual4Exams confidently stands behind all its offerings by giving Unconditional "No help, Full refund" Guarantee. Since the time our operations started we have never seen people report failure in the Microsoft 70-457 exam after using our products. With this feedback we can assure you of the benefits that you will get from our products and the high probability of clearing the 70-457 exam.
We still understand the effort, time, and money you will invest in preparing for your certification exam, which makes failure in the Microsoft 70-457 exam really painful and disappointing. Although we cannot reduce your pain and disappointment but we can certainly share with you the financial loss.
This means that if due to any reason you are not able to pass the 70-457 actual exam even after using our product, we will reimburse the full amount you spent on our products. you just need to mail us your score report along with your account information to address listed below within 7 days after your unqualified certificate came out.
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