engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 DBMS Introduction and ER Model ER Model
An aggregation association is drawn using which symbol?
1
A line which loops back on to the same table
2
A small open diamond at the end of a line connecting two tables
3
A small closed diamond at the end of a line connecting two tables
4
A small closed triangle at the end of a line connecting two tables