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 Sql Keys and their types Introduction : Sql keys is the key to your success in analytics!  Data is growing at an exponential rate and so is the demand for professionals who are well verse3d with the databases.  Organizations all over the world are looking for data scientists and analysts who can draw meaningful insights from the vast amounts of data. And one of the most important languages for handling databases is SQL. That is why those professionals with a background in SQL have an edge over their peers when it comes to working with databases.  Table of Contents : 1.What are keys in DBMS  2. Super key  3.Candidate key  4. Primary key   5 Alternate or Secondary key  6.Foreign key  7.Composite key   What are keys in DBMS  Database are used to store massive amounts of information which is stored across multiple tables. Each table might be running into thousands of rows. Needless to say, there will be many duplicate ro...

Which language one should go for when you sit in a interview or placement in a IT industry? And why? Today IT industry is the largest industry that attracting youth towards it . Lot of job youth are getting from IT industry only . So when it come to get job in a IT many technical graduates have a common question that for which programming language we can go for to get place in a  IT industry . So now lots of options are came in mind like C, C++ ,Java , Python .  And we all get confused here only. Now we thing that python is a easy language and have widely use in industry so why we can not go for python. But in python projects are mostly based on machine learning and Artificial intelligence that are very difficult to understand for anyone. So if you are good in these then you can choose python otherwise you have to face problems on the interview time when questions are asked on these topics.  The best option to select as a language while preparing for campus placements is ...