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.
Correct Answer :
B. Maintain the data in relational database management systems.
SQL database language is designed to maintain the data in relational database management systems.
Related Questions
Command that comes under DML is/are
ROLLBACK
GRANT
UPDATE
All of the above
Select the correct rule of SQL EXCEPT.
There must be the same number of columns in each table and the same order in every select statement.
It is desirable that the columns have similar or compatible data types.
Both SELECT statements must have the same fields in their respective columns.
All of the above
Select the correct constraint in SQL?
NOT NULL
CHECK
DEFAULT
All of the above
Which one is not the OPTIONAL Clause in SELECT statement?
WHERE
ORDER BY
HAVE
HAVING
What does the CREATE DATABASE Statement do?
Columns in the SQL database can be created, deleted, or modified with this SQL statement.
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.
Which clause is used to retrieve a unique element from the table?
SELECT UNIQUE
SELECT DISTINCT
Both A) and B)
None of the above
A database does not need to be created in ____. A direct table creation option is provided in ____.
MySQL
Oracle
Both A and B
None of the above
Name of the operators in SET Operators is
UNION
INTERSECT
MINUS
All of the above
LIKE clause can be used with
% operator
_ operator
NOT operator
All of the above
What is SQL CREATE Table used for?
To Update table
To Create table
To Delete table
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.
Types of SQL Commands are
DDL
DML
DCL
All of the above
When an expression includes ___ SQL operator(s), the sequence in which they are evaluated is known as the SQL operator's precedence.
0
1
Multiple
NULL
Which of the following statement is TRUE about DISTINCT Clause?
Returns only Distinct values.
Only on the single column, it operates.
It can be used with the aggregates such as COUNT, AVG, etc.
All of the above
In order to sort the records according to the columns, which clause is used?
HAVING
GROUP BY
ORDER BY
None of the above
What is the difference between MIN and MAX function?
MIN function is used to show the minimum data and MAX function is used to show the maximum data.
MIN function is used to show the maximum data and MAX function is used to show the minimum data.
Both of the above
None of the above
In order to prevent multiple records from being returned by the sub query, ____ must be used before the sub query.
Many Value Operators
Multiple Value Operators
Single Value Operator
Unique Value Operator
The character(s) which are used independently or in conjunction with SQL Like Operator:
%
_
Both A. and B.
None of the above
The SQL Modulus Operator returns the,
Quotient
Percentage
Sum
Reminder
How many temp tables are there?
1
2
3
4
What is the keyword of the Ascending and Descending?
ASCE, DESC
ASC, DES
ASCE, DES
ASC, DESC
Commands that come under TCL is/are -
COMMIT
ROLLBACK
SAVEPOINT
All of the above
Which of the following are the types of the temp tables?
Local Temp
Global Temp
Both A) and B)
None of the above
To add a Primary Key constraint after table is created, which clause is used?
UPDATE
ADD
ALTER
JOIN
What is the clause to delete all rows from the table?
SQL DELETE ALL ROWS Table_Name;
SQL DELETE ROWS Table_Name;
DELETE FROM ALL ROWS Table_Name;
DELETE FROM Table_Name;
C in CRUD Operator means
To add or insert data
To retrieve or fetch data
To update the data
To delete the data
____ and ____constraints form the core of the PRIMARY KEY constraint.
NOT NULL , CHECK
NOT NULL , DEFAULT
NOT NULL , FOREIGN KEY
NOT NULL , UNIQUE
Which one if these is used to put the same value in all the rows?
Group by unique column
Group by single column
Group by one column
Group by same value
In SQL, which statement can help in changing the name of the table?
RENAME
ALTER
Both A) and B)
None of the above
A Sub query is an SQL expression that is placed ____ another SQL statement.
Before
After
Inside
Outside