What does SQL is used to perform operations on?
Update Records
Insert Records
Both A and B
None of the above
Correct Answer :
C. Both A and B
SQL (Structured Query Language) is used to update, insert, delete, create, modify, and maintain the records stored in the database.
Related Questions
Which of the following constraints are TRUE to be put in Password system?
One uppercase character must be included in the password.
An eight-character minimum password is required.
At least one symbol must appear in the password.
All of the above
The description in SQL Script, displays script in
One Line
Two Line
Three Line
Many Lines
In SQL SELECT COUNT, one needs to specify the
Column Name
Row Name
Table Name
None of the above
Which statement is true about the No-SQL?
No-SQL follows ACID Model.
No-SQL does require object-relational mapping.
Dynamic schemas for unstructured data are used in No-SQL databases.
No-SQL databases are not preferable for storage of hierarchal data.
What is the functionality of SQL COUNT?
It returns the no of record of table
It returns the no of record of database
It returns the no of record of row
It returns the no of record of column
What is the symbol of Concatenation Operator?
|
||
//
\
Which of the following is TRUE about Savepoint command?
A transaction is marked in a table by this TCL command.
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.
In order to rollback part of a table rather than the entire table, a savepoint is useful.
All of the above
In LIKE clause, to represent a single character, _____ is used.
-
_
!
&
The SELECT TOP statement shows the limited number of:
Rows
Columns
Tables
None of the above
Which of the following statement is correct for SQL Multiplication Operator?
SELECT Operand1+Operand2;
SELECT Operand1*Operand2;
SELECT Operand1**Operand2;
SELECT Operand1
What does the DROP DATABASE Statement do?
The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.
In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.
A new database will be created through this SQL statement.
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.
What does this SQL database language design to?
Maintain the data in hierarchal database management systems.
Maintain the data in relational database management systems.
Maintain the data in network database management systems.
Maintain the data in object-oriented database management systems.
To get the table's previous permanent status, use the ____ command.
Commit
Transaction
Rollback
None of the above
Which of the following statement is TRUE?
A DATABASE name can be renamed.
A TABLE name can be renamed.
Both A and B
None of the above
In order to start the transaction, the command used is
Mysql > START COMMIT;
Mysql > START TRANSACTION;
Mysql > START ROLLBACK;
None of the above
You can also ____ the existing tables by using the UNIQUE constraint.
Change
Delete
Modify
Drop
Which of the following statement is TRUE about Primary Key?
Table integrity is not enforced by the primary key.
The data in a primary key is always multiple.
900 bytes is the maximum length of a primary key.
Null values are allowed in primary keys.
Local Temp Variable is used with which sign?
?
@
#
&
What does the DELETE Statement do?
A new table in SQL is created using this SQL statement.
By deleting the stored data, this SQL statement deletes the database.
Columns in the SQL database can be created, deleted, or modified with this SQL statement.
By executing this SQL statement, you remove the table and all the information that it contains, including the structure, views, permissions, and triggers.
Which of these are the types of operators?
Arithmetic
Comparison
Set
All of the above
Which statement is true about the SQL?
SQL databases are vertically scalable.
SQL follows BASE Model.
SQL database cannot handle complex queries.
SQL database does not require object-relational mapping.
In which clause does the BETWEEN operator is used?
IF
AS
WHERE
EXCEPT
In order to remove a primary key constraint, which clause is used?
DELETE
DROP
ALTER
REMOVE
The table records can be retrieved using which command?
RETRIEVE
SELECT
CREATE
ALTER
Which of the following is TRUE about Intrusion Detection System?
Intrusion Detection System is Network-based
Intrusion Detection System is Host-based
Both A) and B)
None of the above
Foreign key is a field in a table that is _______ key in another table?
Primary
Unique
Composite
None of the above
Select the correct statement.
With the DDL commands, any structural changes can be made to the table, including creation, deletion, and alteration.
With the DML commands, any structural changes can be made to the table, including creation, deletion, and alteration.
With the DCL commands, any structural changes can be made to the table, including creation, deletion, and alteration.
With the TCL commands, any structural changes can be made to the table, including creation, deletion, and alteration.
What is the work of DROP command?
Using this command, you can remove or erase recorded information from a database table.
Database objects such as tables, table views, and other objects can be deleted using this command.
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.
It enables you to create new databases, tables, table views, and other objects using this command.
What is meant by 'SQL is an interactive language'?
Learning and understanding SQL is easy
It can also be used for communicating with the database.
In a few seconds, complex queries can also be answered using this language.
All of the above
Select the correct syntax of SELECT TOP clause?
SELECT TOP name
SELECT TOP column
SELECT TOP FROM
SELECT TOP Number