Name of the operators in SET Operators is
UNION
INTERSECT
MINUS
All of the above
Correct Answer :
D. All of the above
Name of the operators in SET Operators is -
a) UNION
b) INTERSECT
c) MINUS
Related Questions
What does the ROLLBACK Statement do?
Specify the columns of the table in this SQL statement to return distinct values.
Changes made in the SQL database transaction are permanently saved using this SQL statement.
By running this SQL statement, the transaction will be undone and the operations not yet saved to the SQL database will be undone.
An index is created in a SQL database table with this SQL statement.
NOW function is used to return the current
Time
Date
Date & Time
Day
In case the CTE is wrong, it goes into
Infinite Loop
Null State
False State
True State
Which of the following is not MySQL Numeric Data Type?
BIT(Size)
CHAR(Size)
INTEGER(Size)
INT(Size)
Which of the following statement is FALSE?
A Primary Key cannot be NULL
A Foreign Key cannot be NULL
A Primary Key cannot be Duplicate
A Foreign Key can be Duplicate
Which of the following is not the SQL Comparison Operator?
SQL Equal Operator (=)
SQL Less Than Operator (<)
SQL Greater Than Operator (>)
All of the above
_____ variables are not supported by SQL Script.
Bind
Dynamic
Both A) and B)
None of the above
An SQL ____ is a virtual table, whose contents are based on the SQL statement's results.
Concatenate
Virtual
View
None of the above
Which syntax is correct for RENAME DATABASE in MySQL?
RENAME old_database_name TO new_database_name;
RENAME DATABASE old_database_name TO new_database_name;
ALTER old_database_name MODIFY NAME = new_database_name;
ALTER DATABASE old_database_name MODIFY NAME = new_database_name;
____ are the columns for the retrieval purpose.
Tables
WHERE Conditions
Expressions
None of the above
Select the correct statement which will return all the rows from the Table and then also deletes the Table_Add table?
SELECT * FROM Table; DROP TABLE Table_Add
SELECT * WHERE Table; DROP TABLE Table_Add
SELECT * FROM Table; DELETE TABLE Table_Add
SELECT * WHERE Table; DELETE TABLE Table_Add
In order to insert a row directly in the table, which command is used?
INSERT IN
INSERT INSIDE
INSERT UNDER
INSERT INTO
Using the DELETE Query from the CRUD Operator, we can delete
Only one row
All the rows
Only two rows
None of the above
What is the work of INSERT command?
Inserting records or data into the database tables is accomplished with this command. In addition to inserting records in single rows, we can insert records in multiple rows as well.
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.
In case of ____ data, recursive CTE is used?
Round
Hierarchal
Linear
None of the above
What is TRUE about SAVEPOINT?
Following the completion of a transaction, it must be executed to save all the operations performed in the transaction.
A transaction can be rolled back to its last saved state.
A specific part of a transaction can be given a name
None of the above
For one table, there can be ____unique key constraint(s).
1
NULL
Many
None of the above
What is the difference between Column Level and Table Level Constraints?
Constraints are applied to a single row using Column Level Constraints whereas Multiple rows can be constrained using a Table Level Constraint.
Constraints are applied to multiple rows using Column Level Constraints whereas a single row can be constrained using a Table Level Constraint.
Constraints are applied to a single column using Column Level Constraints whereas Multiple columns can be constrained using a Table Level Constraint.
Constraints are applied to multiple columns using Column Level Constraints whereas only a single column can be constrained using a Table Level Constraint.
Which of the following is not MySQL String Data Type?
TEXT(Size)
TINYTEXT
MEDIUMTEXT
LARGETEXT
Whenever a sub query appears in SQL, it is enclosed within ____ and placed to the ____ of the SQL operators.
Brackets, Left
Brackets, Right
Parenthesis, Left
Parenthesis, Right
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.
SQL BETWEEN operators can be used to select the
Dates
Texts
Numbers
All of the above
SQL EXCEPT clause is supported in
MySQL
PostgreSQL
Both A and B
None of the above
What does the DISTINCT Clause do?
Specify the columns of the table in this SQL clause to return distinct values.
By executing this SQL statement, all records in the SQL database will be deleted.
The data specified in this table or view is reported in this SQL statement.
Changes made in the SQL database transaction are permanently saved using this SQL statement.
Which clause is needed in CTE SQL syntax?
FOR
AS
WITH
TO
Which function returns the correct date and time?
DATE()
NOW()
TIME()
DATETIME()
Local Temp Variable is used with which sign?
?
@
#
&
Which of the following is TRUE about Information Rule in the 12 Codd's Rules?
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.
Null values are treated in database records according to this rule.
Database systems must update all views tables on a regular basis.
Databases contain a wide variety of information, and each row and column of each table must hold this information.
Select the correct syntax of SELECT TOP clause?
SELECT TOP name
SELECT TOP column
SELECT TOP FROM
SELECT TOP Number
Select the correct syntax for Multi-line Comments.
//*Line1
Line2*//
/*Line1
Line2/*