dbms

DBMS Kya hai? Yah work kaise karata hai?

DBMS Means Database management system . Ek aisa sofware hai jisaka use hum database ko create karane, database ko manage karane ke liye karate hai.

DBMS apane administrators, users ko database create karane, manage karane aur update karane ki facilities provide karata hai.

For example: Hume ek company ka database create karate hai. Jisame employee ka name, email address, phone number, salary etc store store kar sakate hai.

Kuchh database name jo company use karati hai: Microsoft Access, MySQL, Oracle and more.

Database base kya hota hai : Database ek aisa collection jaha per sabhi files ko ek jagah collect kiya jata hai aur jaroorat hone per aasani access use kar liya jata hai use database kahate hai.

Jaise ki hum kisi video ko youtube per upload karate hai to video youtube ke database me save ho jati hai, Aur jab bhi hume download ya visit karana chahate hai easaly access kar sakate hai.

Benefit of database management system (DBMS)

  • Control on your data – Sabhi files ko database me ek jagah per collect kiya ajata hai. Jisase hume bar-2 file create karane ki jaroorat nahi hoti.
  • Security – Database management system me data per administrator ka control hota hai. Administrator yah deside karata hai ki kitane logo ko data access karane ka permission dena hai, Kitane part me access dena hai etc. Isase database ki security kaphi achhi ho jati hai.
  • Data integration: – Database me data table me store hota hai. Ek database me kai table create kar sakate hai.
  • Data Recovery – Computer ke damage hone per DBMS ke through aasani se database ko recover kar sakate hai.
  • Share your data – DBMS me administrator data ko control karata hai. Administrator apane users ko data ke chote-2 parts access karane ki anumati pradan kar sakata hai. Isi tarike se data ko kisi dusare application ke liye share kar sakate hai.

Disadvantage of database management system (DBMS)

  • Risk – Yadi database fail ho jata hai ya kuchh time ke liye close ho jata hai to company or organization ko kai tarah ka nukasaan hota hai.
  • Data transfer – Ek system se dusare system me data tarnsfer karane me kaphi diffculties hoti hai. Jisame bahot time lag sakata hai.
  • Expensive – DBMS ko create karane aur implement karane me jo cost aati wo kaphi expensive hoti hai.

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