2021-10-06 00:00:00.000
2021-10-06
2021 OCT 06
06-10-2021
A. 2021-10-06 00:00:00.000
ZERO
-1
1
Empty
CREATE
UPDATE
DELETE
All of the above
Left, Left
Right, Left
Left, Right
Right, Right
Injection Detection System
Attack Detection System
Intrusion Detection System
None of the above
Data is read from the SQL database by this statement and displayed to the database user.
The stored data in the SQL database is changed or modified by this SQL statement.
By deleting the stored data, this SQL statement deletes the database.
A new table in SQL is created using this SQL statement.
IF
AS
WHERE
EXCEPT
Learning and understanding SQL is easy
It can also be used for communicating with the database.
In a few seconds, complex queries can also be answered using this language.
All of the above
Average value
Largest value
Smallest value
Number of rows
SQL UPDATE INTO
SQL UPDATE JOIN
SQL JOIN
SQL JOIN UPDATE
FROM
TO
WHERE
IN
First value of the column
Last value of the column
Sum of rows of the table
Average value of the column
In a table, there could be any number of rows and any number of columns.
In a table, there could be any number of rows and specified number of columns.
In a table, there could be any number of columns and specified number of rows.
In a table, there could be specified number of rows and specified number of columns.
TO
AS
WHERE
IN
RETRIEVE
SELECT
CREATE
ALTER
Web server logs
When something weird occurs
Both A) and B)
None of the above
A DATABASE name can be renamed.
A TABLE name can be renamed.
Both A and B
None of the above
Table integrity is not enforced by the primary key.
The data in a primary key is always multiple.
900 bytes is the maximum length of a primary key.
Null values are allowed in primary keys.
Primary
Unique
Composite
None of the above
To retrieve data
To fetch data
Both A. and B.
None of the above
CONNECT
ADD
COMBINE
CONCAT
1
2
3
4
0
1
Null
All of the above
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.
2021-10-06 00:00:00.000
2021-10-06
2021 OCT 06
06-10-2021
MySQL
PostgreSQL
Both A and B
None of the above
When the user is asked to logout
When the user is asked to input password
When the user is asked to input captcha
When the user is asked to input username
When the table is small, it is possible to avoid using SQL indexes.
Updates need to be made frequently to the table.
When there are a lot of NULL values in a column, indexed should not be used.
All of the above
ntext
binary(n)
varbinary
All of the above
Strings
Numbers
Both A. and B.
None of the above
Workspace_name_size/sql
Workspace_number_script/sql
Workspace_name_script/sql
Workspace_name_script/spl