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PostgreSQL index

PostgreSQL index: You will learn how to create, delete, and rename indexes in PostgreSQL with syntax and examples….

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PostgreSQL condition OR

PostgreSQL condition OR is used to check two or more conditions under which records are returned when any of these conditions are met. It can be used …

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How to install MongoDB in Ubuntu 20.04

MongoDB is a free open source database of documents. It belongs to a family of databases called NoSQL, which is different from traditional table-based…

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PostgreSQL change user password

The ALTER USER operator is used to change the user password in a PostgreSQL database….

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PostgreSQL CREATE USER statement

PostgreSQL CREATE USER statement creates a database account, which allows you to log in to a PostgreSQL database…

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