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4

What will be the output of the below SQL statement?

A. 25

B. 26

C. 25.65

D. 25.00

Correct Answer :

C. 25.65


This statement converts the value to a varchar datatype.

Related Questions

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4

An SQL ____ is a virtual table, whose contents are based on the SQL statement's results.

A. Concatenate

B. Virtual

C. View

D. None of the above

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4

It is possible to use LIKE clauses with

A. Strings

B. Numbers

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

LIKE clause can be used with

A. % operator

B. _ operator

C. NOT operator

D. All of the above

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4

What is the functionality of SQL COUNT?

A. It returns the no of record of table

B. It returns the no of record of database

C. It returns the no of record of row

D. It returns the no of record of column

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4

____ integrity is achieved by using a foreign key.

A. Referential Integrity

B. Domain Integrity

C. User-defined Integrity

D. Entity Integrity

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4

Using which SQL Comparison Operator can we find the data that matches our query?

A. SQL Not Equal Operator (!=)

B. SQL Equal Operator (=)

C. SQL Greater Than Operator (>)

D. SQL Less Than Operator (<)

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4

The scalar functions operate on each record ____ in SQL.

A. Dependently

B. Independently

C. Interdependently

D. Intradependently

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4

Which of the following is TRUE about Intrusion Detection System?

A. Intrusion Detection System is Network-based

B. Intrusion Detection System is Host-based

C. Both A) and B)

D. None of the above

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4

In order to execute a query in Web SQL, which function is used?

A. open()

B. translate()

C. transaction()

D. execute()

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4

What is the meaning of Null Values in Systematic Treatment of Null Values in the 12 Codd's Rules?

A. No value in cell

B. Inappropriate Information

C. Unknown data

D. All of the above

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4

What is the difference between MIN and MAX function?

A. MIN function is used to show the minimum data and MAX function is used to show the maximum data.

B. MIN function is used to show the maximum data and MAX function is used to show the minimum data.

C. Both of the above

D. None of the above

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4

SELECT INTO statement -

A. Select the content from a table.

B. Rename the content in a table.

C. Copy the content from one table into another existing table.

D. None of the above

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4

To connect strings, which function is used

A. CONNECT

B. ADD

C. COMBINE

D. CONCAT

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4

In the case of the ____ Independence Rule, It shouldn't make a difference what the user sees (application) if the logical structure changes.

A. Physical Data

B. Logical Data

C. Integrity

D. Distribution

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4

SQL became the standard of?

A. ASCII

B. ANSI

C. ISO

D. Both B and C

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4

SQL contains which component in its process?

A. Optimization Engines

B. SQL Query Engines

C. Query Dispatchers

D. All of the above

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4

What is the full form of CTE in SQL?

A. Character Table Expressions

B. Character Table Evaluator

C. Common Table Evaluator

D. Common Table Expressions

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4

We can create View in SQL using

A. CREATE statement

B. CREATE VIEW statement

C. VIEW CREATE statement

D. SQL VIEW statement

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4

Which of these are the types of operators?

A. Arithmetic

B. Comparison

C. Set

D. All of the above

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4

Whenever a sub query appears in SQL, it is enclosed within ____ and placed to the ____ of the SQL operators.

A. Brackets, Left

B. Brackets, Right

C. Parenthesis, Left

D. Parenthesis, Right

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4

What does the INSERT INTO Statement do?

A. In this SQL statement, the data or records are inserted into an existing database table. One query statement can insert multiple records simultaneously using this statement.

B. A new database will be created through 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. By executing this SQL statement, all records in the SQL database will be deleted.

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4

Full form of DDL is

A. Data Describe Language

B. Definition Data Language

C. Data Definition Language

D. Data Distinct Language

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4

Which of the following statement is TRUE about DISTINCT Clause?

A. Returns only Distinct values.

B. Only on the single column, it operates.

C. It can be used with the aggregates such as COUNT, AVG, etc.

D. All of the above

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4

What is the difference between UNION & UNION ALL operators?

A. Combining the results of two select statements will be done using UNION whereas combined records from both queries are returned by UNION ALL operator.

B. Combining the results of two select statements will be done using UNION ALL whereas combined records from both queries are returned by UNION operator.

C. After performing the UNION operation, duplicate rows will not be removed whereas after performing the UNION ALL operation, duplicate rows will be removed.

D. None of the above

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4

What is TRUE about NOT IN clause?

A. The result is purged of duplicates

B. Duplicate records are not removed

C. Performs column-by-column comparisons

D. None of the above

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4

Select the statement which is TRUE?

A. In case a transaction is rolled back, the data allied with table variable also get rolled back.

B. In case a transaction is rolled back, the data allied with table variable does not roll back.

C. In case a transaction is not rolled back, the data allied with table variable get rolled back.

D. None of the above.

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4

Which of the following statement is FALSE?

A. A Primary Key cannot be NULL

B. A Foreign Key cannot be NULL

C. A Primary Key cannot be Duplicate

D. A Foreign Key can be Duplicate

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4

Foreign key is a field in a table that is _______ key in another table?

A. Primary

B. Unique

C. Composite

D. None of the above

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4

Which of the following is SQL Server String Data Type?

A. ntext

B. binary(n)

C. varbinary

D. All of the above