Questions on Lossy and Lossless Decomposition If relation in the relational model or relational schema is not inappropriate normal form then decomposition…
Tag:
advantage
-
-
Foreign Key in DBMS A foreign key is different from a super key, candidate key or primary key because a foreign key…
-
Merge Join Algorithm The merge joins are used for performing natural joins and equi-joins for given relations r and s. We use…
-
QUESTIONS ON NORMALIZATION Question on Second Normal Form (2NF): 1. Given a relation R( A, B, C, D) and Functional Dependency set…
-
Hash Join Algorithm The Hash Join algorithm is used to perform the natural join or equi join operations. The concept behind the…
-
Pipelining in Query Processing In the earlier section, we learned about materialization in which we evaluate multiple operations in the given expression…
-
QUESTIONS ON THIRD NORMAL FORM To solve the question on 3 NF, we must understand it’s both definitions: Definition 1: A relational…
-
Nested-Loop Join Algorithm In our previous section, we learned about joins and various types of joins. In this section, we will know…
-
Primary Key in DBMS There are certain keys in DBMS that are used for different purposes, from which the most commonly known…
-
QUESTIONS TO IDENTIFY NORMAL FORM To solve the question to identify normal form, we must understand its definitions of BCNF, 3 NF,…