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Step-by-step creation of SQL table

    Before starting to create an SQL table, it is necessary to define the database model. Design an ER diagram in which to define the entities, attributes…

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    PostgreSQL TRUNCATE TABLE statement

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      PostgreSQL TRUNCATE TABLE statement is used to remove (truncate) all records from a table or set of tables in PostgreSQL. It performs the same fu…

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      PostgreSQL DROP TABLE statement

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      PostgreSQL DROP TABLE statement allows you to remove a table from a PostgreSQL database….

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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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