Boyce-Codd Normal Form (BCNF) is an extension of Third Normal Form on strict terms. BCNF states that − For any non-trivial functional dependency, X → A, X must be a super-key. In the above image, Stu_ID is the super-key in the relation Student_Detail and Zip is the super-key...
Flat tables are like spreadsheets. They have many, many columns. These tables are standalone objects with everything you need right in the tables themselves. While this is okay for a small number of records, it is highly inefficient and consumes more physical space than you probably want. No...
Describe five components of the DBMS environment and discuss how they relate to each other. Does data mining use relational databases? What is pattern frequency in big data?Explore our homework questions and answers library Search Browse Browse by subject Ask a Homework Question Tutors available ...
A complete normalization of tables is desirable, but you may find that in practice that full normalization can introduce complexity to your design and application. More tables often means more JOIN operations, and in most database management systems (DBMSs) such JOIN operations can be costly, lea...
is performed on the data which is redundant and makes the data in a normalized format.It is of step-by-step processIstNotmal FormIIndNormal formIIIrdNormalformIVth Normalform or BoyceCodd Normal formBy perofmring this we will get the data in the Normalized formati.,e from DBMS to RDBMS....
Understand SQL at Udemy and take an online course. Relational Databases and SQL Normalization in SQL transforms a database into something more compact, easy to use, and highly scalable. However, you need a database you can normalize. For most people, that will be a relational database. ...