Which of the following statement is correct?
Comparison Operator has higher precedence than Conjuction Operator.
Identity Operator has higher precedence than Multiplication Operator.
Both A and B
None of the above
Correct Answer :
C. Both A and B
Comparison Operator has higher precedence than Conjunction Operator and Identity Operator has higher precedence than Multiplication Operator.
Related Questions
Host-based IDS can be used to monitor
Web server logs
When something weird occurs
Both A) and B)
None of the above
In case to prevent the endless loop in CTE, ____ is added.
MAXLINEAR
MAXROUND
MAXRECURSION
None of the above
All other columns other than the column which is termed as Primary Key, are known as
Unique Keys
Alternate Keys
Composite Keys
None of the above
What does the DROP TABLE Statement do?
The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.
A new table in SQL is created using this SQL statement.
Columns in the SQL database can be created, deleted, or modified with this SQL statement.
A new database will be created through this SQL statement.
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.
What is TRUE about the Active/Dynamic Online Catalog based on the relational model 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 dictionaries represent the complete logic of all descriptive data, which must be stored online.
None of the above
A Primary Key is basically a
Row
Column
Table
Database
Which of the following is the type of SQL Injection attack?
It inserts the data
It updates the data
It deletes the data
All of the above
Rules that are needed to be followed in SET Operators in SQL are
All columns must be identical in number and order.
There must be compatibility between data types.
Both A and B
None of the above
NULL means
ZERO
-1
1
Empty
Which of the statement is true?
The precedence-low operators are evaluated last in SQL.
The precedence-high operators are evaluated first in SQL.
Both A and B
None of the above
____ value is returned by the SQL Aggregate functions?
Single
Twice
NULL
Infinite
SET Operators are used to
Compile the results from two queries
Compile the results from three queries
Compile the results from four queries
Compile the results from five queries
What is the full form of CTE in SQL?
Character Table Expressions
Character Table Evaluator
Common Table Evaluator
Common Table Expressions
A Sub query is an SQL expression that is placed ____ another SQL statement.
Before
After
Inside
Outside
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?
REVOKE
COMMIT
ROLLBACK
SAVE
Which of the following is/are type of SQL Constraint?
Column Level
Table Level
Both A and B
None of the above
What is the syntax of SQL CAST Function?
CAST (expression AS [data type])
CAST (expression IN [data type])
CAST (expression TO [data type])
CAST (expression FOR [data type])
SQL became the standard of?
ASCII
ANSI
ISO
Both B and C
What is the default length of any data type in the CAST function?
10
20
30
40
GROUP BY clause is placed before which clause in SQL?
HAVING
WHERE
ORDER BY
FROM
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.
TRUNCATE TABLE requires:
WHERE clause
HAVING clause
Both a and b
None of the above
When the table is dropped:
Table structure is dropped
Integrity constraints are dropped
Relationship is dropped
All of the above
In which clause does the BETWEEN operator is used?
IF
AS
WHERE
EXCEPT
In order to convert the expression from one to another data type, which SQL Function is used?
CONVERT
CHANGE
CAST
TRANSIT
Output returned by the Scalar functions is/are -
Single Value
Multiple Value
Two Values
None of the above
Network-based IDS can be used to monitor
Web server logs
When something weird occurs
All connections to the database server
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 of the following is supported in Comprehensive Data SubLanguage Rule in the 12 Codd's Rules?
Data Definition
View Definition
Data Manipulation
All of the above