The assignment operator is denoted by

Related MCQs

• State true or false. i) Select operator is not a unary operator. ii) Project operator chooses subset of attributes or columns of a relation.
• The                        operation, denoted by −, allows us to find tuples that are in one relation but are not in another.
• A unit of storage that can store one or more records in a hash file organization is denoted as
• The ___________ operation, denoted by −, allows us to find tuples that are in one relation but are not in another.
• The                operator takes the results of two queries and returns only rows that appear in both result sets.
• The intersection operator is used to get the            tuples.
• Which is a join condition contains an equality operator:
• Which of the following is the comparison operator in tuple relational calculus
• Which of the following is a low level operator?
• In query processing, the                        is the lowest-level operator to access data.