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
C. Both A) and B)
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.
In some cases you may not have any unique identifying characteristics in data; therefore, it makes sense to create a Primary Key.
Explicitly initializing and modifying the auto-increment value is possible at any time.
Record identifiers can easily be created that are unique to each record.
All of the above
MySQL
PostgreSQL
Both A and B
None of the above
UCASE()
LEN()
SUM()
NOW()
It inserts the data
It updates the data
It deletes the data
All of the above
DROP
DELETE
ALTER
None of the above
First SELECT Query
Second SELECT Query
Third SELECT Query
None of the above
Using this command, you can remove or erase recorded information from a database table.
Database objects such as tables, table views, and other objects can be deleted using this command.
One or more rows from one or more tables of the database can be accessed with this command. Using the WHERE clause with this command is also possible.
It enables you to create new databases, tables, table views, and other objects using this command.
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.
A new table in SQL is created using this SQL statement.
The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.
MIN()
MAX()
LARGE()
AVG()
GROUP BY
ORDER BY
DELETE
FROM
1
2
3
4
MySQL
Oracle
Both A and B
None of the above
nvarchar is fixed and ntext is variable.
nvarchar is variable and ntext is fixed.
nvarchar can be of the maximum size upto 4000 characters and ntext can be of the maximum size upto 2GB of the text data.
nvarchar can be of the maximum size upto 4000 characters and ntext can be of the maximum size upto 1GB of the text data.
UNIQUE
IDENTITY
INCREMENT
ADD
Data Control Language
Data Commit Language
Data Common Language
Data Concatenate Language
DELETE
SELECT
UPDATE
ALTER
SQL statements are used for most operations in a database.
Relational algebra and tuple relationship calculus are needed for SQL syntax.
All of the above
None of the above
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
A single or multiple rows can be accessed using this command from one or more tables of a database. Using the WHERE clause with this command is also possible.
Using this command, you can remove or erase recorded information from a database table.
Database data can be updated or changed using this command.
It enables you to create new databases, tables, table views, and other objects using this command.
UPDATE
INSERT
SELECT
Both A and B
The large database can be searched quickly with SQL Indexes.
The concept below is a quick way to include different values in those columns.
A smaller table may not recognize the performance of an index when used with an index.
All of the above
% operator
_ operator
NOT operator
All of the above
Columns in the SQL database can be created, deleted, or modified with this SQL statement.
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.
Export
Import
Save
Exchange
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
WHERE
ORDER BY
HAVE
HAVING
SELECT TOP name
SELECT TOP column
SELECT TOP FROM
SELECT TOP Number
|
||
//
\
REVOKE
COMMIT
ROLLBACK
SAVE