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NEW QUESTION 188
You are developing a mobile app to manage meetups. The app allows for users to view the 25 closest people with similar interests. You have a table that contains records for approximately two million people. You create the table by running the following Transact-SQL statement:
You create the following table valued function to generate lists of people:
You need to build a report that shows meetings with at least two people only. What should you use?
A. OUTER APPLY
B. CROSS APPLY
C. PIVOT
D. LEFT OUTER JOIN
Answer: B
Explanation:
https://www.sqlshack.com/the-difference-between-cross-apply-and-outer-apply-in-sql-server/
NEW QUESTION 189
You develop and deploy a project management application. The application uses a Microsoft SQL Server database to store data. You are developing a software bug tracking add-on for the application. The add-on must meet the following requirements:
– Allow case sensitive searches for product.
– Filter search results based on exact text in the description.
– Support multibyte Unicode characters.
You run the following Transact-SQL statement:
You need to ensure that users can perform searches of descriptions. Which Transact-SQL statement should you run?
Answer: D
Explanation:
https://docs.microsoft.com/en-us/sql/t-sql/queries/contains-transact-sql?view=sql-server-2017
NEW QUESTION 190
You are building a stored procedure named SP1 that calls a stored procedure named SP2. SP2 calls another stored procedure named SP3 that returns a Recordset. The Recordset is stored in a temporary table. You need to ensure that SP2 returns a text value to SP1. What should you do?
A. Create a temporary table in SP2, and then insert the text value into the table.
B. Return the text value by using the ReturnValue when SP2 is called.
C. Add the txt value to an OUTPUT parameter of SP2.
D. Create a table variable in SP2, and then insert the text value into the table.
Answer: C
NEW QUESTION 191
Drag and Drop
You have a database named DB1 that contains a table named HR.Employees. HR.Employees contains two columns named ManagerID and EmployeeID. ManagerID refers to EmployeeID. You need to create a query that returns a list of all employees, the manager of each employee, and the numerical level of each employee in your organization’s hierarchy. Which five statements should you add to the query in sequence? (To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.)
Answer:
Explanation:
https://blog.sqlauthority.com/2012/04/24/sql-server-introduction-to-hierarchical-query-using-a-recursive-cte-a-primer/
NEW QUESTION 192
Hotspot
You have the following Transact-SQL statement:
DELETE FROM Person
WHERE PersonID = 5
You need to implement error handling. How should you complete Transact-SQL statement? (To answer, select the appropriate options in the answer area.)
Answer:
Explanation:
https://docs.microsoft.com/en-us/sql/t-sql/language-elements/try-catch-transact-sql?view=sql-server-201
NEW QUESTION 193
You are creating indexes in a data warehouse. You have a dimension table named Table1 that has 10,000 rows. The rows are used to generate several reports. The reports join a column that is the primary key. The execution plan contains bookmark lookups for Table1. You discover that the reports run slower than expected. You need to reduce the amount of time it takes to run the reports.
Solution: You create a nonclustered index on the primary key column that does NOT include columns.
Does this meet the goal?
A. Yes
B. No
Answer: A
Explanation:
https://docs.microsoft.com/en-us/sql/relational-databases/indexes/clustered-and-nonclustered-indexes-described?view=sql-server-2017
NEW QUESTION 194
You have a table named Person that contains information about employees. Users are requesting a way to access specific columns from the Person table without specifying the Person table in the query statement. The columns that users can access will be determined when the query is running against the data. There are some records that are restricted, and a trigger will evaluate whether the request is attempting to access a restricted record. You need to ensure that users can access the needed columns while minimizing storage on the database server. What should you implement?
A. the COALESCE function
B. a view
C. a table-valued function
D. the TRY_PARSE function
E. a stored procedure
F. the ISNULL function
G. a scalar function
H. the TRY_CONVERT function
Answer: B
Explanation:
https://docs.microsoft.com/en-us/sql/t-sql/statements/create-view-transact-sql?view=sql-server-2017
NEW QUESTION 195
You have a date related query that would benefit from an indexed view. You need to create the indexed view. Which two Transact-SQL functions can you use? (Each correct answer presents a complete solution. Choose two.)
A. DATEADD
B. AT TIME ZONE
C. GETUTCDATE
D. DATEDIFF
Answer: CD
Explanation:
https://docs.microsoft.com/en-us/sql/t-sql/functions/date-and-time-data-types-and-functions-transact-sql?view=sql-server-2017#DateandTimeFunctions
NEW QUESTION 196
……
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