Database Management System Question
Database Management System Question With Answer & Solution
Que. - If a1, a2, a3 are attributes in a relation and S is another relation, which of the following is an incorrect specification of an integrity constraint?
Que. - What is the syntax to load data into the database? (Consider D as the database and a, b, c as datA:)
Que. - Which of the following commands do we use to delete a relation (R) from a database?
Que. - Which of the following commands do we use to delete all the tuples from a relation (R)?
Que. - Choose the correct command to delete an attribute A from a relation R
Que. - create table apartment(ownerID varchar (5), ownername varchar(25), floor numeric(4,0),
primary key (ownerID:));
Choose the correct option regarding the above statement
primary key (ownerID:));
Choose the correct option regarding the above statement
Que. - What does the notnull integrity constraint do?
Que. - Which SQL function is used to count the number of rows in a SQL query?
Que. - Which SQL keyword is used to retrieve a maximum value?
Que. - Which of the following SQL clauses is used to DELETE tuples from a database table?
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