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Question 1:
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:
The Task table includes the following columns:
You plan to run the following query to update tasks that are not yet started:
UPDATE Task SET StartTime = GETDATE() WHERE StartTime IS NULL
You need to return the total count of tasks that are impacted by this UPDATE operation, but are not associated with a project.
What set of Transact-SQL statements should you run?
A. B. C. D.
Correct Answer: B
The WHERE clause of the third line should be WHERE ProjectID IS NULL, as we want to count the tasks that are not associated with a project.
Question 2:
You have a database that includes the tables shown in the exhibit. (Click the exhibit button.)
You need to create a list of all customers, the order ID for the last order that the customer placed, and the date that the order was placed. For customers who have not placed orders, you must substitute a zero for the order ID and 01/01/1990 for the date.
Which Transact-SQL statement should you run?
A. B. C. D.
Correct Answer: A
ISNULL Syntax: ISNULL ( check_expression , replacement_value ) author:”Luxemburg, Rosa”
The ISNULL function replaces NULL with the specified replacement value. The value of check_expression is returned if it is not NULL; otherwise, replacement_value is returned after it is implicitly converted to the type of check_expression.
References: https://msdn.microsoft.com/en-us/library/ms184325.aspx
Question 3:
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.
You create a table by running the following Transact-SQL statement:
You are developing a report that aggregates customer data only for the year 2014. The report requires that the data be denormalized.
You need to return the data for the report. Which Transact-SQL statement should you run?
A. B. C. D. E.
F. G. H.
Correct Answer: G
Question 4:
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply to that question.
You have a database for a banking system. The database has two tables named tblDepositAcct and tblLoanAcct that store deposit and loan accounts, respectively. Both tables contain the following columns: You need to determine the total number of customers who have either deposit accounts or loan accounts, but not both types of accounts. Which Transact-SQL statement should you run?
A. B. C. D. E. F. G. H.
Correct Answer: G
SQL Server provides the full outer join operator, FULL OUTER JOIN, which includes all rows from both tables, regardless of whether or not the other table has a matching value.
Consider a join of the Product table and the SalesOrderDetail table on their ProductID columns. The results show only the Products that have sales orders on them. The ISO FULL OUTER JOIN operator indicates that all rows from both tables are to be included in the results, regardless of whether there is matching data in the tables.
You can include a WHERE clause with a full outer join to return only the rows where there is no matching data between the tables. The following query returns only those products that have no matching sales orders, as well as those sales orders that are not matched to a product.
USE AdventureWorks2008R2; GO — The OUTER keyword following the FULL keyword is optional. SELECT p.Name, sod.SalesOrderID FROM Production.Product p FULL OUTER JOIN Sales.SalesOrderDetail sod ON p.ProductID = sod.ProductID WHERE p.ProductID IS NULL OR sod.ProductID IS NULL ORDER BY p.Name
References: https://technet.microsoft.com/en-us/library/ms187518(v=sql.105).aspx
Question 5:
SIMULATION
You create a table named Sales.Categories by running the following Transact-SQL statement:
You add the following data to the table.
You need to create a query that uses a common table expression (CTE) to show the parent category of each category. The query must meet the following requirements:
Return all columns from the Categories table in the order shown.
Exclude all categories that do not have a parent category.
Construct the query using the following guidelines:
Name the expression ParentCategories.
Use PC as the alias for the expression.
Use C as the alias for the Categories table.
Use the AS keyword for all table aliases.
Use individual column names for each column that the query returns.
Do not use a prefix for any column name.
Do not use implicit joins.
Do not surround object names with square brackets.
Part of the correct Transact-SQL has been provided in the answer area below. Enter the code in the answer area that resolves the problem and meets the stated goals or requirements. You can add code within the code that has been provided as well as below it.
Use the Check Syntax button to verify your work. Any syntax or spelling errors will be reported by line and character position. You may check syntax as many times as needed.
A. Check the answer in explanation.
Correct Answer: A
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Question 6:
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.
You create a table by running the following Transact-SQL statement:
You need to develop a query that meets the following requirements:
Output data by using a tree-like structure.
Allow mixed content types.
Use custom metadata attributes.
Which Transact-SQL statement should you run?
A. B. C. D. E. F.
G. H.
Correct Answer: F
Question 7:
DRAG DROP You have a database containing the following tables: Servers
Errors
You have a user-defined, scalar function named IPLookup that takes a DNS name as a parameter and returns the IP address of the server. You have an additional user-defined, scalar function named DNSLookup, that takes an IP address as a parameter and returns a DNS name.
You create a view named vwErrors by running the following Transact-SQL statement:
You need to insert data by using the view.
How should you complete the Transact-SQL statement? To answer, drag the appropriate Transact-SQL segments to the correct location. 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.
Select and Place:
Correct Answer:
References: https://docs.microsoft.com/en-us/sql/t-sql/queries/output-clause-transact-sql
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