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4

What is the clause to delete all rows from the table?

A. SQL DELETE ALL ROWS Table_Name;

B. SQL DELETE ROWS Table_Name;

C. DELETE FROM ALL ROWS Table_Name;

D. DELETE FROM Table_Name;

Correct Answer :

D. DELETE FROM Table_Name;


DELETE FROM Table_Name is used to delete all rows from the table.

Related Questions

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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 order to manage or store the data in the database, WEB SQL Database is used which is a

A. Web site

B. Web page

C. Web browser

D. None of the above

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4

Which of the following is TRUE about Pattern Matching in SQL?

A. In SQL, pattern matching is performed with LIKE clauses.

B. An SQL query usually begins with a LIKE clause before a WHERE clause

C. Using the LIKE clause in an SQL query, we compare the pattern in the query with the pattern present in a table.

D. All of the above

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4

Which of the following is not an SQL Statement?

A. SELECT Statement

B. UPDATE Statement

C. TRUNCATE TABLE Statement

D. FROM Statement

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4

SQL INSERT is used to insert a

A. Single or Multiple record

B. Single or Multiple database

C. Single or Multiple table

D. None of the above

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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

Select the correct constraint in SQL?

A. NOT NULL

B. CHECK

C. DEFAULT

D. All of the above

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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

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

SQL Operator can be,

A. Unary

B. Binary

C. Both A and B

D. None of the above

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4

Which statement is used to select the database in SQL?

A. SELECT

B. USE

C. ALTER

D. CREATE

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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

The table records can be retrieved using which command?

A. RETRIEVE

B. SELECT

C. CREATE

D. ALTER

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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

TRUNCATE TABLE requires:

A. WHERE clause

B. HAVING clause

C. Both a and b

D. None of the above

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4

What will be the output of the below SQL statement?

A. 25

B. 26

C. 24

D. 20

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4

Using TIME_FORMAT() function, time can be retrieved in

A. 12-hour format

B. 24-hour format

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

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4

What can be the maximum size of char(n) in SQL Server String Data Type?

A. 7000

B. 8000

C. 9000

D. 10000

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4

Which statement is not true about SQL?

A. Using SQL in relational databases is all about inserting, updating, and deleting data.

B. Sample data can also be described with the aid of this tool.

C. It helps develop relational database functions, events, and views.

D. A SQL user can also set restrictions and permissions for a table column, a view, and a stored procedure.

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4

When the table is dropped:

A. Table structure is dropped

B. Integrity constraints are dropped

C. Relationship is dropped

D. All of the above

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4

Which statement is TRUE about the HAVING Clause?

A. In order to group the rows, HAVING Clause is used.

B. In order to return the rows, HAVING Clause is used.

C. In order to select the defined groups by the GROUP BY Clause, HAVING Clause is used.

D. None 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

Transaction is able to control the following

A. Transaction

B. Commit

C. Rollback

D. All 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 keyword is used in SQL Server to implement the auto increment?

A. UNIQUE

B. IDENTITY

C. INCREMENT

D. ADD

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4

In order to build a link between two tables, which key is used?

A. Primary

B. Foreign

C. Composite

D. Unique

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4

Select the statement which is TRUE?

A. In a table, there could be any number of rows and any number of columns.

B. In a table, there could be any number of rows and specified number of columns.

C. In a table, there could be any number of columns and specified number of rows.

D. In a table, there could be specified number of rows and specified number of columns.

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4

What does the DROP TABLE Statement do?

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

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

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

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

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4

The SQL Modulus Operator returns the,

A. Quotient

B. Percentage

C. Sum

D. Reminder