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
D. All of the above
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.
A new database will be created through this SQL statement.
In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.
By executing this SQL statement, all records in the SQL database will be deleted.
10
20
30
40
Primary Key
Foreign Key
Composite Key
Alternate Key
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
Optimization Engines
SQL Query Engines
Query Dispatchers
All of the above
Install malicious program
Export valuable data
Get user login detail
All of the above
25
26
24
20
At the run time, the SQL*Plus commands are ignored.
SQL Scripts and SQL Commands in the SQL Scripts have no interaction.
Through the SQL Script editor, SQL Commands are cut and pasted.
All of the above
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.
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
NOT NULL , CHECK
NOT NULL , DEFAULT
NOT NULL , FOREIGN KEY
NOT NULL , UNIQUE
Relational
Logical
Arithmetic
Assignment
Commit
Transaction
Rollback
None of the above
.
!
--
#
timestamp
sql_variant
real
text
The result is purged of duplicates
Duplicate records are not removed
Performs column-by-column comparisons
None of the above
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
In SQL, pattern matching is performed with LIKE clauses.
An SQL query usually begins with a LIKE clause before a WHERE clause
Using the LIKE clause in an SQL query, we compare the pattern in the query with the pattern present in a table.
All of the above
Web server logs
When something weird occurs
Both A) and B)
None of the above
DELETE statement free up the space kept in check by the table whereas TRUNCATE statement does not free up the space kept in check by the table.
DELETE statement does not free up the space kept in check by the table whereas TRUNCATE statement free up the space kept in check by the table.
DELETE statement only deletes rows from the table whereas TRUNCATE statement can only delete columns from the table.
DELETE statement only deletes columns from the table whereas TRUNCATE statement can only delete rows from the table.
CHAR
ALTER
CONCAT
MERGE
1
2
3
4
Minimum
Maximum
Average
None of the above
Left, Left
Right, Left
Left, Right
Right, Right
ntext
binary(n)
varbinary
All of the above
Addition
Subtraction
Unary
Modulus
12-hour format
24-hour format
Both A. and B.
None of the above
JOIN
HAVING
GROUP BY
All of the above
% operator
_ operator
NOT operator
All of the above
ADD
MERGE
CONCAT
None of the above