When we listen to the word of database everyone automatically thinks that it is a place where the huge amount of data is stored when we work dynamically we always need of database there are a lots of databases which are available in market some famous databases are MYSQL, MICROSOFT SQL SERVER, POSTGRE SQL, MARIA DB, SAP HNA etc.
Importance of queries:
there was a query which we use for to fetch data from database we also have a quires which are used to insert data on database like if we want to fetch data we use SELECT QUERIES like SELECT * FROM (“here you writes the name of database table”). If you want to insert data the common syntax is INSERT INTO WHERE (“here you write where you wants to insert”). The best practice is when you write the queries you write queries in caps means you write in capital words there are some important concept of database like triggers, joins you can learn it from internet according to me it’s very easy to learn and it is very must.
If you want to be a good programmer there are a lots of jobs of database like one of the most famous name of this field is Oracle you can earn easily handsome amount if you have expertise on database personally I give suggestion to all beginner that they must read the documentation before they start learning because if you learn from any institute you pay a lots of fees. So save your amount because everything is available on the internet and on official site and when you start learning you ensure that you have great command in English. So in the end, I always write the conclusion of my article in this article I define what is database how you learn and which is the best source to learn the database I define some important queries like fetch and insert.