Denormalization in Databases When we normalize tables, we break them into multiple smaller tables. So when we want to retrieve data from…
Tag:
advantage
-
-
Double-Pipelined Join Algorithm In our previous section, we understood about pipelining and the ways through which a system creates and implement pipeline…
-
Difference between ER Model and Relational Model The E-R Model and Relational Model are two aspects of the Data Model in DBMS…
-
Estimating Query Cost In the previous section, we understood about Query processing steps and evaluation plan. Though a system can create multiple…
-
LOSSY OR LOSSLESS DECOMPOSITION (second method) Algorithm: Testing for lossless (nonadditive) join property. Input: A universal relation R, a decomposition D =…
-
Evaluation of Expressions In our previous sections, we understood various concepts in query processing. We learned about the query processing steps, selection…
-
DBMS MCQ This section of interview questions and answers focuses on “Database Management System”. One shall practice these interview questions to improve…
-
Purpose of Normalization Normalization is the process of structuring and handling the relationship between data to minimize redundancy in the relational table…
-
External Sort-Merge Algorithm Till now, we saw that sorting is an important term in any database system. It means arranging the data…
-
Implementation of Pipelining For implementing a pipeline in order to evaluate multiple operations of the given user query, we need to construct…