Keys Keys play an important role in the relational database. It is used to uniquely identify any record or row of data…
Tag:
dbms vs files system
-
-
QUESTIONS TO IDENTIFY NORMAL FORM To solve the question to identify normal form, we must understand its definitions of BCNF, 3 NF,…
-
SQL Commands SQL commands are instructions. It is used to communicate with the database. It is also used to perform specific tasks,…
-
Testing of Serializability Serialization Graph is used to test the Serializability of a schedule. Assume a schedule S. For S, we construct…
-
Double-Pipelined Join Algorithm In our previous section, we understood about pipelining and the ways through which a system creates and implement pipeline…
-
Database Language A DBMS has appropriate languages and interfaces to express database queries and updates. Database languages can be used to read,…
-
RAID RAID refers to redundancy array of the independent disk. It is a technology which is used to connect multiple secondary storage…
-
SQL Datatype SQL Datatype is used to define the values that a column can contain. Every column is required to have a…
-
Third Normal Form (3NF) A relation will be in 3NF if it is in 2NF and not contain any transitive partial dependency.…
-
Difference between ER Model and Relational Model The E-R Model and Relational Model are two aspects of the Data Model in DBMS…