Data is so much important and as per my best knowledge as of today, Below Databases are most used, popular and if you learn it will increase your Paycheck for sure!
By the Way do you know in IT market 389 databases software are available and out of below are my choice, which is mostly and widely used and has long running future:
MySQL, Oracle, PostgreSQL, Microsoft SQL Server, MongoDB, Redis, Elasticsearch, Cassandra, MariaDB, IBM Db2, Google Cloud Spanner, Amazon Aurora.
Top Commercial and Open-Source Databases:
DB Ranking Year 2023
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