Data Control Language
Data Commit Language
Data Common Language
Data Concatenate Language
A. Data Control Language
CONVERT
CHANGE
CAST
TRANSIT
ntext
binary(n)
varbinary
All of the above
DDL consist of 4 commands
DCL consist of 2 commands
TCL consist of 5 commands
DML consist of 3 commands
Select the content from a table.
Rename the content in a table.
Copy the content from one table into another existing table.
None of the above
Dates
Texts
Numbers
All of the above
Mysql > Transaction ini;
Mysql > &Savepoint;
Mysql > START Transaction;
Mysql > Savepoint ini;
Inline Comments
Single Line Comments
Multi-line Comments
All of the above
SELECT
FROM
HAVING
None of the above
0
1
Null
All of the above
The result is purged of duplicates
Duplicate records are not removed
Only one column can be compared by a clause
None of the above
2021-10-06 00:00:00.000
2021-10-06
2021 OCT 06
06-10-2021
Only one row
All the rows
Only two rows
None of the above
ROLLBACK
GRANT
UPDATE
All of the above
LEN()
NOW()
MID()
FORMAT()
Primary Key
Foreign Key
Composite Key
Alternate Key
Low case
Letter case
Light case
Lower case
%
_
Both A. and B.
None of the above
% operator
_ operator
NOT operator
All of the above
Table
Database
Row
Column
GROUP BY
ORDER BY
DELETE
FROM
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
SELECT Statement
UPDATE Statement
TRUNCATE TABLE Statement
FROM Statement
Referential Integrity
Domain Integrity
User-defined Integrity
Entity Integrity
Addition
Subtraction
Unary
Modulus
Many Value Operators
Multiple Value Operators
Single Value Operator
Unique Value Operator
AVG()
FIRST()
LAST()
All of the above
SQL ALL Operator
SQL OR Operator
SQL LIKE Operator
All of the above
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.
A Primary Key cannot be NULL
A Foreign Key cannot be NULL
A Primary Key cannot be Duplicate
A Foreign Key can be Duplicate
DELETE
DISTINCT
FROM
WHERE