Data Abstraction: Different users require different view of the database which is useful and necessary to them. This is data abstraction by which we abstract useful data from a database for a particular type of users to use. There are 3 levels of data abstraction, those are as follows; Physical Level: The lowest level of …
What is data abstraction? Describe the levels briefly. DBMS Read More »
Disadvantages of File Processing System: Keeping organization information in a file processing system has some disadvantages including the followings, Data Redundancy & Inconsistency: As the files are created by different programmers, there is a huge chance of data redundancy which is responsible for unnecessary storage and access cost. This may also lead to data inconsistency …
Briefly describe the disadvantages of file processing system? DBMS Read More »
Applications of DBMS: DBMS is getting used in many places. Everything from file cabinets to dictionaries is disappearing from today’s working place, because it is easy to make use of the data using a DBMS. The uses or applications of DBMS include the following, In Banking: For customer information, accounts, loans and banking transactions. This …
Database: A database contains a collection of related items or facts arranged in a specific structure. The most obvious example of a non-computerized database is a telephone directory. DBMS (Database Management System): A database management system is a collection of interrelated data and a set of programs to access those data. It allows people to …
What is Database? Define DBMS (Database Management System). Read More »
Hello everyone, Welcome to this short tutorial on how to run PHP codes in console or CMD. You get PHP console with your PHP setup called php.exe which generally resides in your PHP folder. I have WAMP installed in my computer so I have PHP installed via WAMP. First of all, you have to add …
