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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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PostgreSQL LIKE condition

PostgreSQL LIKE condition allows using wildcards (metacharacters) in WHERE proposal of SELECT, INSERT, UPDATE or DELETE operator. This allows for patt…

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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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    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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    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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