To get the table's previous permanent status, use the ____ command.
Commit
Transaction
Rollback
None of the above
Correct Answer :
C. Rollback
To get the table's previous permanent status, use the rollback command.
Related Questions
To delete table definition and all data from the table, which statement is used?
DELETE
DROP
ALTER
None of the above
The records and structure of a table may be removed or deleted from the database using which command?
REMOVE
DELETE
DROP
TRUNCATE
What does the following statement do?
Finds any values that start with or
Finds any value that contains only four characters and second, third characters are 'o', 'r'
Finds any values that have or in any position
None of the above
What is Export Script by default?
Workspace_name_size/sql
Workspace_number_script/sql
Workspace_name_script/sql
Workspace_name_script/spl
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
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
SQL DELETE can be used to delete,
Rows
Database
View
All of the above
In order to convert the expression from one to another data type, which SQL Function is used?
CONVERT
CHANGE
CAST
TRANSIT
Which of the following statement is TRUE about SQL Injection?
SQL Injection is an Object Penetration Technique
SQL Injection is a Function Penetration Technique
SQL Injection is a Code Penetration Technique
SQL Injection is a Database Penetration Technique
In order to delete the database, which keyword is used?
DROP
DELETE
ALTER
None of the above
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.
How many temp tables are there?
1
2
3
4
Name of the data type categories are,
String Data types
Numeric Data types
Date and time Data types
All of the above
SQL indexes speed up the execution time of which statement(s)?
SELECT
WHERE
Both A and B
None of the above
Which function returns the largest value of the column?
MIN()
MAX()
LARGE()
AVG()
The Web SQL API is supported by
Opera
Google Chrome
Android Browsers
All 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 will be the output of the below SQL statement?
25
26
25.65
25.00
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
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
What is the difference between nchar and nvarchar?
nchar is fixed and nvarchar is variable.
nchar is variable and nvarchar is fixed.
nchar has the maximum size of 4000 characters and nvarchar has the maximum size of 8000 characters.
nchar has the maximum size of 800 characters and nvarchar has the maximum size of 4000 characters.
Using the SQL last() function, one can return the ______ value of the selected column.
First
Second
Third
Last
Which of the following statement is TRUE?
At run time, temporary tables can be created.
Temporary table can do similar operations to normal table.
Both A) and B)
None of the above
In order to assign a random name to a column or table, which SQL SELECT Clause is used?
FROM
WHERE
HAVING
AS
What does BOOL mean in MySQL Numeric Data Types?
A Boolean value is specified by this variable. When a value is nonzero, it is considered false, and zero is considered true.
A Boolean value is specified by this variable. When a value is nonzero, it is considered true, and zero is considered false.
A Boolean value is specified by this variable. When a value is nonzero, it is considered true, and zero is also considered true.
A Boolean value is specified by this variable. When a value is nonzero, it is considered false, and zero is also considered false.
In which clause does the BETWEEN operator is used?
IF
AS
WHERE
EXCEPT
The character(s) which are used independently or in conjunction with SQL Like Operator:
%
_
Both A. and B.
None of the above
Which of the following is TRUE about The Foundation Rule in the 12 Codd's Rules?
Relational databases are required.
Databases contain a wide variety of information, and each row and column of each table must hold this information.
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.
Which of the following is/are TRUE about DDL command?
Our data is stored in a table that is described by the schema, thus DDL commands deal with the schema.
With the DDL commands, any structural changes can be made to the table, including creation, deletion, and alteration.
Both A. and B.
None of the above
In LIKE clause, to represent a zero, a character, or a number of characters ___ is used.
/
_
*
%