Our 70-762 Latest Test Dumps Materials training quiz will be your best teacher who helps you to find the key and difficulty of the exam, so that you no longer feel confused when review. Our 70-762 Latest Test Dumps Materials study materials will be your best learning partner and will accompany you through every day of the review. Our 70-762 Latest Test Dumps Materials exam quiz will help you to deal with all the difficulties you have encountered in the learning process and make you walk more easily and happily on the road of studying. Mostly choice is greater than effort. Well-pointed preparation for your test will help you save a lot of time. With the rapid development of the economy, the demands of society on us are getting higher and higher.
MCP 70-762 It is enough to help you to easily pass the exam.
MCP 70-762 Latest Test Dumps Materials - Developing SQL Databases . And pass the Microsoft Reliable Dumps 70-762 Free Download exam is not easy. Perhaps through Microsoft Reliable Dumps 70-762 Free Download exam you can promote yourself to the IT industry.
In our software version of the 70-762 Latest Test Dumps Materials exam dumps, the unique point is that you can take part in the practice test before the real 70-762 Latest Test Dumps Materials exam. You never know what you can get till you try. It is universally acknowledged that mock examination is of great significance for those who are preparing for the exam since candidates can find deficiencies of their knowledge as well as their shortcomings in the practice test, so that they can enrich their knowledge before the real 70-762 Latest Test Dumps Materials exam.
Microsoft 70-762 Latest Test Dumps Materials - We believe that you will like our products.
As we will find that, get the test 70-762 Latest Test Dumps Materials certification, acquire the qualification of as much as possible to our employment effect is significant. But how to get the test 70-762 Latest Test Dumps Materials certification didn't own a set of methods, and cost a lot of time to do something that has no value. With our 70-762 Latest Test Dumps Materials exam Practice, you will feel much relax for the advantages of high-efficiency and accurate positioning on the content and formats according to the candidates’ interests and hobbies.
In the process of using the Developing SQL Databases study question, if the user has some problems, the IT professor will 24 hours online to help users solve, the user can send email or contact us on the online platform. Of course, a lot of problems such as soft test engine appeared some faults or abnormal stating run phenomenon of our 70-762 Latest Test Dumps Materials exam question, these problems cannot be addressed by simple language, we will service a secure remote assistance for users and help users immediate effectively solve the existing problems of our 70-762 Latest Test Dumps Materials torrent prep, thus greatly enhance the user experience, beneficial to protect the user's learning resources and use digital tools, let users in a safe and healthy environment to study 70-762 Latest Test Dumps Materials exam question.
70-762 PDF DEMO:
QUESTION NO: 1
You create tables by using the following Transact-SQL statements:
Each customer may have multiple addresses but only one is the primary address.
You must plan a solution that meets the following requirements:
* Return both customers and address information.
* Return only the primary address of the customer.
* Allow updates of all customer information and address details with the exception of the identity columns and the IsActive column.
Which three actions should you perform is sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Answer:
QUESTION NO: 2
You have a reporting application that uses a table named Table1. You deploy a new batch update process to perform updates to Table1.
The environment is configured with the following properties:
* The database is configured with the default isolation setting.
* The application and process use the default transaction handling.
You observe the application cannot access any rows that are in use by the process.
You have the following requirements:
* Ensure the application is not blocked by the process.
* Ensure the application has a consistent view of the data
* Ensure the application does not read dirty data.
You need to resolve the issue and meet the requirements with the least amount of administrative effort.
What should you do?
A. Enable the database for the READ_COMITTED_SNAPSHOT isolation level.
B. Enable the database for the ALLOW_SNAPSHOT_ISOLATION isolation level. Modify the application and the update process for the SNAPSHOT isolation level.
C. Enable the database for the ALLOW_SNAPSHOT_ISOLATION isolation level. Modify the application for the SERIALIZABLE isolation level.
D. Enable the application for the WITH (NOLOCK) hint.
Answer: A
Explanation
Snapshot isolation must be enabled by setting the ALLOW_SNAPSHOT_ISOLATION ON database option before it is used in transactions. This activates the mechanism for storing row versions in the temporary database (tempdb).
READ COMMITTED is the default isolation level for SQL Server. It prevents dirty reads by specifying that statements cannot read data values that have been modified but not yet committed by other transactions. Other transactions can still modify, insert, or delete data between executions of individual statements within the current transaction, resulting in non-repeatable reads, or "phantom" data.
QUESTION NO: 3
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 the series.
You have a database named Sales that contains the following database tables. Customer, Order, and
Products.
The Products table and the order table shown in the following diagram.
The Customer table includes a column that stores the date 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 begin to modify the table design to adhere to third normal form.
Which column should you remove for each table? To answer? drag the appropriate column names to the correct locations. Each column name 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
In the Products table the SupplierName is dependent on the SupplierID, not on the ProductID.
In the Orders table the ProductName is dependent on the ProductID, not on the OrderID.
Note:
A table is in third normal form when the following conditions are met:
* It is in second normal form.
* All non-primary fields are dependent on the primary key.
Second normal form states that it should meet all the rules for First 1Normnal Form and there must be no partial dependencies of any of the columns on the primary key.
First normal form (1NF) sets the very basic rules for an organized database:
* Define the data items required, because they become the columns in a table. Place related data items in a table.
* Ensure that there are no repeating groups of data.
* Ensure that there is a primary key.
References: https://www.tutorialspoint.com/sql/third-normal-form.htm
QUESTION NO: 4
You are reviewing the execution plans in the query plan cache. You observe the following:
- There are a large number of single use plans.
- There are a large number of simple execution plans that use multiple CPU cores.
You need to configure the server to optimize query plan execution.
Which two setting should you modify on the properties page for the Microsoft SQL Server instance?
To answer, select the appropriate settings in the answer area.
Answer:
Explanation
* Optimize for ad hoc workloads
The optimize for ad hoc workloads option is used to improve the efficiency of the plan cache for workloads that contain many single use ad hoc batches. When this option is set to 1, the Database
Engine stores a small compiled plan stub in the plan cache when a batch is compiled for the first time, instead of the full compiled plan. This helps to relieve memory pressure by not allowing the plan cache to become filled with compiled plans that are not reused.
* Cost Threshold for Parallelism
Use the cost threshold for parallelism option to specify the threshold at which Microsoft SQL Server creates and runs parallel plans for queries. SQL Server creates and runs a parallel plan for a query only when the estimated cost to run a serial plan for the same query is higher than the value set in cost threshold for parallelism. The cost refers to an estimated elapsed time in seconds required to run the serial plan on a specific hardware configuration.
5 means 5 seconds, but is is 5 seconds on a machine internal to Microsoft from some time in the
1990s.
There's no way to relate it to execution time on your current machine, so we treat it as a pure number now.
Raising it to 50 is a common suggestion nowadays, so that more of your simpler queries run on a single thread.
QUESTION NO: 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 table that has a clustered index and a nonclustered index. The indexes use different columns from the table. You have a query named Users report that Query1 takes a long time to report results. You run and review the following statistics for an index seek operation:
You need to resolve the performance issue.
Solution: You rebuild the clustered index.
Does the solution meet the goal?
A. No
B. Yes
Answer: A
Explanation
The query uses the nonclustered index, so improving the clustered index will not help.
We should update statistics for the nonclustered index.
Our Fortinet FCP_FWB_AD-7.4 exam materials are absolutely safe and virus-free. We can say that how many the Microsoft PL-500-CN certifications you get and obtain qualification certificates, to some extent determines your future employment and development, as a result, the Microsoft PL-500-CN exam guide is committed to helping you become a competitive workforce, let you have no trouble back at home. Thus we offer discounts from time to time, and you can get 50% discount at the second time you buy our API API-510 question dumps after a year. We can claim that with our IBM S2000-018 practice engine for 20 to 30 hours, you will be ready to pass the exam with confidence. Our Amazon DOP-C02 exam questions are compiled by experts and approved by authorized personnel and boost varied function so that you can learn Amazon DOP-C02 test torrent conveniently and efficiently.
Updated: May 28, 2022