ORACLE DBA
DAY:1 Database in collect the information in note pad ,txt ,excl etc.. Database is stored in RAM,CPU etc.. Database is collect the date for names, salaries, information, pictures, videos and anything store in database. A Database is, basically , a place that we store an organized collection of data. store, access, manipulate, retrieve. DBMS: This DBMS type is hierarchical, network, relational, object-relational DBMS. ORACLE DATABASE: Oracle database is very secured, performance, scalability,powerful coding and support a company. DAY:2 Table is used employee date store the union of all these horizontal cell is called as a record or a row. The table stored the data such that employees ID, Name, salary, phone number, department etc.. Tabular form like in job interviews or exams,etc.. RELATION DATABASE: If you create two table employees and department table. To the employees related the department table its relational data base. Relational databas...