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4

Select the correct statement.

A. TRUNCATE TABLE is faster than DELETE TABLE statement.

B. TRUNCATE TABLE uses fewer resources than DELETE TABLE statement.

C. Both A) and B)

D. None of the above

Correct Answer :

C. Both A) and B)


TRUNCATE TABLE uses fewer resources and is faster than DELETE TABLE command.

Related Questions

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4

Select the correct rule of SQL EXCEPT.

A. There must be the same number of columns in each table and the same order in every select statement.

B. It is desirable that the columns have similar or compatible data types.

C. Both SELECT statements must have the same fields in their respective columns.

D. All of the above

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4

What does the DELETE Statement do?

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

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

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

D. By executing this SQL statement, you remove the table and all the information that it contains, including the structure, views, permissions, and triggers.

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4

In order to convert the expression from one to another data type, which SQL Function is used?

A. CONVERT

B. CHANGE

C. CAST

D. TRANSIT

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4

In the case of ____ Independence Rule, if using the SQL queries language to insert data into table's cells, the database must maintain integrity independence.

A. Interdependent

B. Intradependent

C. Integration

D. Integrity

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4

Name of the data type categories are,

A. String Data types

B. Numeric Data types

C. Date and time Data types

D. All of the above

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4

Select the correct type(s) of SQL Comments.

A. Inline Comments

B. Single Line Comments

C. Multi-line Comments

D. All of the above

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4

What does the following statement do?

A. Finds any values that end with a

B. Finds any values whose second character is a

C. Find any values that contains only two characters ending with a

D. Mysql > Savepoint ini;

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4

SQL EXCEPT statement behaves similar to _____operator in mathematics.

A. Sum

B. Multiply

C. Minus

D. Divide

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4

In the relational database, in order to modify index, we need to use which command?

A. ALTER

B. MODIFY

C. UPDATE

D. ADD

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4

What is the difference between HAVING and WHERE clause?

A. HAVING clause is used in column operation whereas WHERE clause is used in row operation.

B. HAVING clause is post-filter whereas WHERE clause is pre-filter.

C. HAVING clause filters the groups whereas WHERE clauses filter the single record of the table.

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

Which of the following is TRUE about The Foundation Rule in the 12 Codd's Rules?

A. Relational databases are required.

B. Databases contain a wide variety of information, and each row and column of each table must hold this information.

C. The primary key value, table name, and column name are characteristics that allow us to access the precise data (atomic value) logically from a relational database.

D. Null values are treated in database records according to this rule.

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4

Name of the control in SQL Script

A. Script

B. Owner

C. Opinion

D. All of the above

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4

In how many parts are the SQL functions are divided into?

A. 1

B. 2

C. 3

D. 4

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4

Savepoint command is used with _____ command.

A. Commit

B. Transaction

C. Rollback

D. None of the above

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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

In which clause does the BETWEEN operator is used?

A. IF

B. AS

C. WHERE

D. EXCEPT

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4

____ are the columns for the retrieval purpose.

A. Tables

B. WHERE Conditions

C. Expressions

D. None of the above

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4

What does the DISTINCT Clause do?

A. Specify the columns of the table in this SQL clause to return distinct values.

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

C. The data specified in this table or view is reported in this SQL statement.

D. Changes made in the SQL database transaction are permanently saved using this SQL statement.

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4

What does the TRUNCATE TABLE Statement do?

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

B. 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.

C. By executing this SQL statement, all records in the SQL database will be deleted.

D. The data specified in this table or view is reported in this SQL statement.

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4

SQL BETWEEN operators include

A. Starting Value

B. In Between Value

C. Ending Value

D. All of the above

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4

Which of the following is TRUE about Savepoint command?

A. A transaction is marked in a table by this TCL command.

B. Imagine that you are making a long table, and you want to roll back only to a specific point in the table. You can do this with the savepoint.

C. In order to rollback part of a table rather than the entire table, a savepoint is useful.

D. All of the above

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4

In more readable form, you can retrieve the date values, using ______ function?

A. DATE

B. DATE_FORM

C. DATE_FORMAT

D. DATE_VALUE

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4

Which of the following statement is TRUE for SQL Additional Operator?

A. SELECT operand1-operand2;

B. SELECT operand1*operand2;

C. SELECT operand1+operand2;

D. SELECT operand1>operand2;

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4

Command that comes under DML is/are

A. ROLLBACK

B. GRANT

C. UPDATE

D. All of the above

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4

Using the SQL last() function, one can return the ______ value of the selected column.

A. First

B. Second

C. Third

D. Last

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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

What is the work of DELETE 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. Database data can be updated or changed using this command.

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

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

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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

It is possible to retrieve time in a more readable format, using which function?

A. TIME

B. TIME_FORM

C. TIME_FORMAT

D. TIME & DATE