Related Questions

An attribute A of datatype varchar(20) has the value “Avi”. The attribute B of datatype char(20) has value ”Reed”. Here attribute A has ____ spaces and attribute B has ____ spaces.
When all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed ?
A garden has to plant tress in rows containing equal number of trees. If he plants in rows of 6,8,10 or 12. then five tress are ledt unplated. But if he plants in rows of 13 tress each, then no tress is left. What is the number of tress that the gardener plants?
A forester wants to plant 44 apples tree, 66 banana trees and 110 mango trees in equal rows (in terms of number of trees). Also, he wants to make distinct rows of tree (i.e. only one type of tree in one row). The number of rows (minimum) that required is:
A gardener has to plant trees in rows containing equal number of trees. If he plants in rows of 6, 8, 10 or 12 then five trees are left unplanted. But if he plants in rows of 13 trees each, then no tree is left. What is the number of trees that the gardener plants ?
Number of rows is returned by the attribute __________
In a semijoin, only the joining attribute is sent from one site to another, and then only the required rows are returned.
All attribute declarations begin with the keyword ____________ followed by the element name, attribute name, attribute type, and default data information.
In a given relationship R, if an attribute A uniquely defines all other attributes, then the attribute A is a key attribute which is also known as the _________ key.
Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: