Database Management System Question
Database Management System Question With Answer & Solution
Que. - With SQL, how can you return the number of not null records in the “Persons” table?
Que. - What does the ALTER TABLE clause do?
Que. - The UPDATE SQL clause can _____________
Que. - The UNION SQL clause can be used with _____________
Que. - Which SQL statement is used to return only different values?
Que. - Which SQL keyword is used to sort the result-set?
Que. - How can you change “Hansen” into “Nilsen” in the “LastName” column in the Persons table?
Que. - Which of the following command makes the updates performed by the transaction permanent in the database?
Que. - Which TCL command undo all the updates performed by the SQL in the transaction?
Que. - SQL query to find all the cities whose humidity is 95.
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