Integrity Constraints Integrity constraints are guidelines that support maintaining the consistency and correctness of …

ER Model  ER Model stands for Entity-Relationship Model. A diagram is used in an entity-relationship model to show the …

Weak Entity Types  Entity types  An entity type is a grouping of entities that share common characteristics. A corporat…

Attribute in DBMS An entity is any object or thing that can be distinguished from other objects in a database managemen…

Benefits or Advantages of Normalization  1. Reduces Size Normalized data occupies the same space as unnormalized data, …

Database Management System A software program for building and maintaining databases is called a database management sy…

Database Security Database security is an essential part of modern technology and business. Organizations continue to c…

Relation A relational database uses tables, records, and columns to gather many kinds of data sets. In order to facilit…

Definition  In database management systems, an entity set is a grouping of related entity types in a database. A set is…

Relational Model  A method for managing and logically representing the data kept in a database is the relational model …

Definition Data in the database must be stored, retrieved, and updated by a program module called a storage manager. Th…

Definition  The process of converting a high-level query, such SQL , into a low-level query that the database system c…

Definition  We cannot imagine living in this day and age without database systems. However, if we were to manually hand…

Role of Database user in DBMS Through applications and interfaces offered by the Database Management System (DBMS), dat…

Definition Transaction is a collection of operations that form a single unit. Operations such as data insertion, updati…

Database Application A database is now necessary for each business with data, no matter how big or little, in order to …

Definition  Database languages, sometimes referred to as query languages or data query languages, are a group of progra…

Definition In addition to user data, a database system typically holds a large amount of data. For instance, it keeps m…

Definition The phrase "database architecture" describes the methodology and structural layout of a database s…