What is Dbms ? i Srands for database management system, its main purpose revolves around the Data this system allows its user to store the data, define it , retrieve it and also update the information about the data inside the database. Two types of DBMS: RDMS- mysql NOSql-mongodb(json) and neo4j(graph) it is a collection of data in a organized way such that it can to facilitate its users to easily access, manage and upload data Dbms were developed to handle the following problems of the traditional file- processing system supported by conventional OS: data redundancy and inconsistency Easy access to data Security atomicity durability isolartion and consistency- not present consurrent access by doffernt users - one by one this is a problem que when the interviewer will ask about the databse used by you and asks if you made aER diagram before making the entities steps: entity set attributes relatins all the rows or entries toget...
