SQL
MySQL Index Tutorial - Create, Add & Drop
What is an Index? Indexes in MySQL sort data in an organized sequential way. They are created on...
Database Design is a collection of processes that facilitate the designing, development, implementation and maintenance of enterprise data management systems. Properly designed database are easy to maintain, improves data consistency and are cost effective in terms of disk storage space. The database designer decides how the data elements correlate and what data must be stored.
The main objectives of database designing are to produce logical and physical designs models of the proposed database system.
The logical model concentrates on the data requirements and the data to be stored independent of physical considerations. It does not concern itself with how the data will be stored or where it will be stored physically.
The physical data design model involves translating the logical design of the database onto physical media using hardware resources and software systems such as database management systems (DBMS).
In this tutorial, you will learn-
It helps produce database systems
Database designing is crucial to high performance database system.
Note , the genius of a database is in its design . Data operations using SQL is relatively simple
The database development life cycle has a number of stages that are followed when developing database systems.
The steps in the development life cycle do not necessary have to be followed religiously in a sequential manner.
On small database systems, the database system development life cycle is usually very simple and does not involve a lot of steps.
In order to fully appreciate the above diagram, let's look at the individual components listed in each step.
Let's study them one by one
What is an Index? Indexes in MySQL sort data in an organized sequential way. They are created on...
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$20.20 $9.99 for today 4.5 (108 ratings) Key Highlights of PL/SQL Tutorial PDF 188+ pages eBook...
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