I am asking this question as general purpose. I wanted to know how searching a database works, suppose I have a certain tag or word with me and I want to get all the rows in which that tag is present and the database is MySQL. what could be possible and fastest ways to do this. Do I need to shift to NoSQL for this?
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Yes, of course you can do this with any relational database (and most NoSQL databases as well). But your question is too broad, and perhaps you should review a good SQL tutorial. – Tim Biegeleisen Sep 20 '17 at 06:09
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[Have a looksy](https://stackoverflow.com/questions/639531/search-in-all-fields-from-every-table-of-a-mysql-database) – rkeet Sep 20 '17 at 06:48
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Mysql search Query
tag = "english";
// suppose tag is certain field name in table
SQL query = SELECT * FROM `table_name` WHERE `tag` LIKE '%english%';

Aman Kumar
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