Learn SQL from Scratch to Advanced Nowadays, many IT company moreover depend on SQL only. So this is one of the basic query language to start for new developers. So track or to be master in SQL, the below topics should be covered. List of Basic Topics :- 1, Should know what is frontend and backend developer 2, What is DBMS, RDBMS ? 3, What is SQL ? 4, What are the database are there ? Beginner Level SQL topics This are some beginner level SQL topics, if you are new to SQL this are the topics that should be covered first. 1, Oracle Basics 2, List of Objects in SQL 3 , Clause and its usage 4, Functions 5, Sub Query 6, Joins 7, Decode and Case 8, Constraints 9, Important Data Dictionary Table like user_source, all_source, user_tables etc.., Intermediate Level SQL topics (Creating Objects) When we are entering into objects this below topics should be covered. In this topics that we are creating database objects like tables, views, sequences, synonyms etc. 1, Data Definitio