Objeck Database - Objeck Database (or OD) is an object - the object data. Creating a table (MS Access), understand the primary key and relationships antartabel.
The database (database)
The database is a collection of data that is associated with each other and organized in such a way utuk specific purposes
Table
The table is the set of elements - data elements that is organized using a model of vertical columns and horizontal rows. The table is also the equivalence of an entity in the "Entity Relattionship Diagram (ERD)"
Field and Record
A table can consist of one or several fields or (columns) and rows or (row)
Primary Key
The primary key or unique key is a value in the database used to identify unique rows - rows in the table.
Relattionship
Relattionship is an association between several entities or (table). Relasasi between tables aims to define keterhubunga between one table to another table.
0 comments
Berkomentarlah dengan Bahasa yang Relevan dan Sopan.. #ThinkHIGH! ^_^