H
Hierarchical Database Model: It is a data model in which the data is organized into tree like structure, with each record having one parent and multiple child records.
I
Index: An Index is a database feature used for locating data quickly within a table.
K
Key: A database key is an attribute utilized to sort or identify data in specified manner.
M
MS Access Server: Microsoft advance database creation and maintenance software.
MSSQL Server: Microsoft relational database system used on windows server.
MySQL Server: A relational database management system which is available for both Linux and Windows operating system.
N
Network Model: This is a database model that allows each record to have multiple parents and children records, forming a lattice structure.
Null Values: Null value represents missing value or that value which is not applicable in a relational table.
O
Object: An object is basic run time entity that contains both the data and the application that operates on the data.
Object Model: It is a database model in which information is represented in the form of objects as used in Object Oriented Programming.
Object Relational Model: It is a database model in which objects, classes and inheritance are directly supported in database schema and in database query language.
Oracle: It is powerful relational database management system that offers large database feature set.
P
Primary Key: The Primary Key of a relational table is uniquely identifies each record in the table.
Q
Query: Queries are the primary mechanism for retrieving information from the database and consist of questions presented to the database in a predefined format.
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