Oracle Tutorial for beginners

By: Prem Tiwari | Last Updated: | In: Oracle


In the late 1960s/early 1970s, specialised data management software appeared – the first database management systems (DBMS). These early DBMS were either hierarchical (tree) or network (CODASYL) databases which were complex and inflexible and could not easily ┬ábe modified for new applications or reorganising the data. In 1974 IBM started a project called System/R to …