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4

Which of the following statement is TRUE?

A. At run time, temporary tables can be created.

B. Temporary table can do similar operations to normal table.

C. Both A) and B)

D. None of the above

Correct Answer :

C. Both A) and B)


At run time, temporary tables can be created and temporary table can do similar operations to normal table.

Related Questions

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4

What is the difference between nchar and nvarchar?

A. nchar is fixed and nvarchar is variable.

B. nchar is variable and nvarchar is fixed.

C. nchar has the maximum size of 4000 characters and nvarchar has the maximum size of 8000 characters.

D. nchar has the maximum size of 800 characters and nvarchar has the maximum size of 4000 characters.

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4

Which of the following is the feature(s) of SQL Auto Increment?

A. In some cases you may not have any unique identifying characteristics in data; therefore, it makes sense to create a Primary Key.

B. Explicitly initializing and modifying the auto-increment value is possible at any time.

C. Record identifiers can easily be created that are unique to each record.

D. All of the above

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4

SQL EXCEPT clause is supported in

A. MySQL

B. PostgreSQL

C. Both A and B

D. None of the above

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4

Select the function which is not the Scalar Function(s)?

A. UCASE()

B. LEN()

C. SUM()

D. NOW()

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4

Which of the following is the type of SQL Injection attack?

A. It inserts the data

B. It updates the data

C. It deletes the data

D. All of the above

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4

In order to delete the database, which keyword is used?

A. DROP

B. DELETE

C. ALTER

D. None of the above

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4

SQL EXCEPT returns the record from -

A. First SELECT Query

B. Second SELECT Query

C. Third SELECT Query

D. None of the above

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4

What is the work of DROP command?

A. Using this command, you can remove or erase recorded information from a database table.

B. Database objects such as tables, table views, and other objects can be deleted using this command.

C. One or more rows from one or more tables of the database can be accessed with this command. Using the WHERE clause with this command is also possible.

D. It enables you to create new databases, tables, table views, and other objects using this command.

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4

What does the ALTER TABLE Statement do?

A. By deleting the stored data, this SQL statement deletes the database.

B. Columns in the SQL database can be created, deleted, or modified with this SQL statement.

C. A new table in SQL is created using this SQL statement.

D. The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.

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4

Which function returns the largest value of the column?

A. MIN()

B. MAX()

C. LARGE()

D. AVG()

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4

Which of the following clause cannot be used in SQL sub queries?

A. GROUP BY

B. ORDER BY

C. DELETE

D. FROM

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4

How many temp tables are there?

A. 1

B. 2

C. 3

D. 4

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4

A database does not need to be created in ____. A direct table creation option is provided in ____.

A. MySQL

B. Oracle

C. Both A and B

D. None of the above

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4

What is the difference between nvarchar and ntext?

A. nvarchar is fixed and ntext is variable.

B. nvarchar is variable and ntext is fixed.

C. nvarchar can be of the maximum size upto 4000 characters and ntext can be of the maximum size upto 2GB of the text data.

D. nvarchar can be of the maximum size upto 4000 characters and ntext can be of the maximum size upto 1GB of the text data.

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4

Which keyword is used in SQL Server to implement the auto increment?

A. UNIQUE

B. IDENTITY

C. INCREMENT

D. ADD

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4

Full form of DCL is -

A. Data Control Language

B. Data Commit Language

C. Data Common Language

D. Data Concatenate Language

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4

SQL Like is NOT used with which of the following statement(s)?

A. DELETE

B. SELECT

C. UPDATE

D. ALTER

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4

Which of the following statement is true?

A. SQL statements are used for most operations in a database.

B. Relational algebra and tuple relationship calculus are needed for SQL syntax.

C. All of the above

D. None of the above

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4

Which of the following is/are TRUE about DDL command?

A. Our data is stored in a table that is described by the schema, thus DDL commands deal with the schema.

B. With the DDL commands, any structural changes can be made to the table, including creation, deletion, and alteration.

C. Both A. and B.

D. None of the above

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4

What is the work of UPDATE command?

A. A single or multiple rows can be accessed using this command from one or more tables of a database. Using the WHERE clause with this command is also possible.

B. Using this command, you can remove or erase recorded information from a database table.

C. Database data can be updated or changed using this command.

D. It enables you to create new databases, tables, table views, and other objects using this command.

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4

SQL Indexes slows the execution time of which statement(s)?

A. UPDATE

B. INSERT

C. SELECT

D. Both A and B

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4

Why index is important in SQL?

A. The large database can be searched quickly with SQL Indexes.

B. The concept below is a quick way to include different values in those columns.

C. A smaller table may not recognize the performance of an index when used with an index.

D. All of the above

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4

LIKE clause can be used with

A. % operator

B. _ operator

C. NOT operator

D. All of the above

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4

What does the CREATE DATABASE Statement do?

A. Columns in the SQL database can be created, deleted, or modified with this SQL statement.

B. The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.

C. In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.

D. A new database will be created through this SQL statement.

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4

With export, you can ____ SQL Scripts from the SQL repositories in your workspace.

A. Export

B. Import

C. Save

D. Exchange

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4

What does the following statement do?

A. Finds any values that start with or

B. Finds any value that contains only four characters and second, third characters are 'o', 'r'

C. Finds any values that have or in any position

D. None of the above

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4

Which one is not the OPTIONAL Clause in SELECT statement?

A. WHERE

B. ORDER BY

C. HAVE

D. HAVING

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4

Select the correct syntax of SELECT TOP clause?

A. SELECT TOP name

B. SELECT TOP column

C. SELECT TOP FROM

D. SELECT TOP Number

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4

What is the symbol of Concatenation Operator?

A. |

B. ||

C. //

D. \

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4

Following the completion of a transaction, it must be executed to save all the operations performed in the transaction. Here we are talking about which command?

A. REVOKE

B. COMMIT

C. ROLLBACK

D. SAVE