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4

Which of the following is supported in Comprehensive Data SubLanguage Rule in the 12 Codd's Rules?

A. Data Definition

B. View Definition

C. Data Manipulation

D. All of the above

Correct Answer :

D. All of the above


Comprehensive Data SubLanguage Rule in the 12 Codd's Rules supports the comprehensive, Data Definition, Data Manipulation, View Definition, Limit Transaction Management Operations, and Integrity Constraints.

Related Questions

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4

In order to sort the records according to the columns, which clause is used?

A. HAVING

B. GROUP BY

C. ORDER BY

D. None of the above

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4

Which of the following is not MySQL String Data Type?

A. TEXT(Size)

B. TINYTEXT

C. MEDIUMTEXT

D. LARGETEXT

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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

At which of the following stage does SQL Injection occurs?

A. When the user is asked to logout

B. When the user is asked to input password

C. When the user is asked to input captcha

D. When the user is asked to input username

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4

In SQL, which statement can help in changing the name of the table?

A. RENAME

B. ALTER

C. Both A) and B)

D. None of the above

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4

Which of the following are not MySQL Date and Time Data Type?

A. DATE

B. TIME(fsp)

C. YEAR

D. None of the above

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4

Using the DELETE Query from the CRUD Operator, we can delete

A. Only one row

B. All the rows

C. Only two rows

D. None of the above

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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

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4

What does the CREATE TABLE Statement do?

A. The stored data in the SQL database is changed or modified by this SQL statement.

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

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

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

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4

What is the keyword of the Ascending and Descending?

A. ASCE, DESC

B. ASC, DES

C. ASCE, DES

D. ASC, DESC

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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

Global Temp Variable is used with which sign?

A. ###

B. ####

C. #

D. ##

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4

Which of the following is a SQL Logical Operator?

A. SQL ALL Operator

B. SQL OR Operator

C. SQL LIKE Operator

D. All of the above

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4

A Primary Key is basically a

A. Row

B. Column

C. Table

D. Database

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4

How many temp tables are there?

A. 1

B. 2

C. 3

D. 4

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4

Which of the following is TRUE about TCL?

A. Transactions can be saved to the database and rolled back with the help of TCL commands in SQL.

B. There will be certain privileges that each user has; consequently, the data can be accessed by them using TCL.

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

D. SQL TCL commands can be used to perform any kind of retrieval or manipulation of the data present in SQL tables.

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4

Which statement is TRUE about the ORDER BY Clause?

A. In order to return the rows in a specific order, ORDER BY Clause is used.

B. In order to group the rows, ORDER BY Clause is used.

C. In order to select the defined groups, ORDER BY Clause is used.

D. None of the above

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4

The character(s) which are used independently or in conjunction with SQL Like Operator:

A. %

B. _

C. Both A. and B.

D. None of the above

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4

Temporary variables use ____ resources than table variables.

A. More

B. Less

C. Equal

D. None of the above

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4

What is the difference between DELETE and TRUNCATE statements?

A. DELETE statement free up the space kept in check by the table whereas TRUNCATE statement does not free up the space kept in check by the table.

B. DELETE statement does not free up the space kept in check by the table whereas TRUNCATE statement free up the space kept in check by the table.

C. DELETE statement only deletes rows from the table whereas TRUNCATE statement can only delete columns from the table.

D. DELETE statement only deletes columns from the table whereas TRUNCATE statement can only delete rows from the table.

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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

Full form of LCASE is -

A. Low case

B. Letter case

C. Light case

D. Lower case

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4

SET Operators are used to

A. Compile the results from two queries

B. Compile the results from three queries

C. Compile the results from four queries

D. Compile the results from five queries

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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

In the database table, data types describe the kind of ___ that it can contain.

A. Table

B. Data

C. Number

D. None of the above

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4

Which of the following is SQL Server Date and Time Data Type?

A. timestamp

B. sql_variant

C. real

D. text

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4

What does the COMMIT Statement do?

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

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

C. Specify the columns of the table in this SQL statement to return distinct values.

D. By running this SQL statement, the transaction will be undone and the operations not yet saved to the SQL database will be undone.

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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

Which of the statement is true?

A. The precedence-low operators are evaluated last in SQL.

B. The precedence-high operators are evaluated first in SQL.

C. Both A and B

D. None of the above

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4

Difference between GRAND & REVOKE command is/are?

A. The GRANT command can be used to grant a user access to databases and tables whereas The REVOKE command can be used to revoke all access privileges already assigned to the user.

B. The REVOKE command can be used to grant a user access to databases and tables whereas The GRANT command can be used to revoke all access privileges already assigned to the user.

C. A transaction can be rolled back to its last saved state.

D. None of the above