Which of the following SQL clauses is used to DELETE tuples from a database table?

You are the administrator of a SQL Server 2000 computer. The server contains a database named FinanceData that is used by a client/server application. Each employee has a SQL Server login that the application uses to access the server.Your company hires a new employee named Andrew. You create a SQL Server login named Andrew. You also create a database user named Andrew in the database and grant the database user full permissions in the database.Whenever Andrew runs the client/server application, he receives the following error message: "Invalid object name." Andrew also reports that he cannot access the database by using the application.You need to ensure that Andrew can use the application. Which Transact-SQL statement should you execute?

A

EXEC sp_defaultdb 'Andrew','FinanceData'

B

GRANT ALL ON FinanceData TO Andrew

C

EXEC sp_addlogin 'Andrew'

D

EXEC sp_grantdbaccess 'FinanceData','Andrew'GOsp_addrolemember 'db_datareader','Andrew'

Which one of the following provides the ability to query information from the database and to insert tuples into, delete tuples from, and modify tuples in the database?

A

DML(Data Manipulation Langauge)

B

DDL(Data Definition Langauge)

C

Query

D

Relational Schema

Consider two database relations R and S having 3 tuples in R and 2 tuples in S. what is the maximum number of tuples that could appear in the natural join of R and S?

A

2

B

5

C

3

D

6

You are a Web developer for XYZ. You create an ASP.NET application that accesses sales and marketing data. The data is stored in a Microsoft SQL Server 2000 database on a server named XYZ01.
The company purchases a factory automation software application. The application is installed on XYZ01, where it creates a second instance of SQL Server 2000 named Factory and a database named FactoryDB. You connect to FactoryDB by using Windows Integrated authentication.
You want to add a page to your ASP.NET application to display inventory data from FactoryDB. You use a SqlConnection object to connect to the database. You need to create a connection string to FactoryDB in the instance of SQL Server named Factory on XYZ01. Which string should you use?

A

?Server=XYZ01;Data Source=Factory; Initial Catalog=FactoryDB;Integrated Security=SSPI?

B

?Server=XYZ01;Data Source=Factory; Database=FactoryDB;Integrated Security=SSP1?

C

?Data Source=XYZ01\\Factory; Initial Category=Factory; Integrated Security=SSP1?

D

?Data Source=XYZ01\\Factory; Database=FactoryDB; Integrated Security=SSP1?

Consider a database table T containing two columns X and Y each of type integers. After the creation of the table, one record (X= 1, Y=l) is inserted in the table. Let MX and MY denote the respective maximum values of X and Y among all records in the table at any point in time. Using M X and MY, new records are inserted in the table 128 times with X and Y values being MX + 1, 2*MY + 1 respectively. It may be noted that each time after the insertion, values of MX and MY change. What will be the output of the following SQL query after the steps mentioned above are carried out? SELECT Y FROM T WHERE X=7;

A

127

B

255

C

129

D

257

The SQL DELETE statement is used to delete both the table structure and table data.

A

True

B

False

A clause in SQL allows you to rename a table or a column temporarily by giving another name known as alias. The renaming is a temporary change and the actual table name does not change in the database. Which of the following clauses, allows such option?

A

REN

B

RENAME TEMP

C

AS

D

AS TEMP

SQL allows duplicate tuples in relations, and correspondingly defines the multiplicity of tuples in the result of joins. Which one of the following queries always gives the same answer as the nested select * from R where a in (select S.a from S)

A

select R.* from R, S where R.a = S.a

B

select distinct R.* from R, S where R.a = S.a

C

select R.* from R,(select distinct a from S) as S1 where R.a = S1.a

D

select R.* from R,S where R.a = S.a and is unique R

A ________ on an attribute of a relation is a data structure that allows the database system to find those tuples in the relation that have a specified value for that attribute efficiently, without scanning through all the tuples of the relation.

A

Index

B

Reference

C

Assertion

D

Timestamp

You are the database administrator for a financial services company. Employees enter data 24 hours a day into a SQL Server 2000 database. These employees report slower response times when new account information is gathered from branch offices and added to the database. You currently use the following BULK INSERT statement to add the account information.BULK INSERT finance.dbo.customersFROM 'd:bulkaccts143_10142000.txt'WITH DATAFILETYPE = 'char', FIELDTERMINATOR = 't', ROWTERMINATOR = 'n', TABLOCK You want to ensure that response times do not slow when new account information is added to the database. What should you do?

A

Add the BATCHSIZE option to the BULK INSERT statement, and then set the option equal to 10 percent of the number of rows to be loaded.

B

Add the ROWS_PER_BATCH option to the BULK INSERT statement, and then set the option equal to 10 percent of the number of rows to be loaded.

C

Drop the indexes for the Customers table before the data load, and then re-create the indexes after the data load is complete.

D

Remove the TABLOCK option from the BULK INSERT statement.

Which of the following SQL clauses is used to DELETE tuples from a database table?

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