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PostgreSQL Comparison Operators

PostgreSQL Comparison Operators are used in the WHERE sentence to determine which entries to choose. Here is a list of comparison statements that you …

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PostgreSQL primary key

You will learn how to create, drop, disable, and enable a primary key in PostgreSQL with syntax and examples….

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PostgreSQL Constraints

PostgreSQL Constraints: You’ll learn how to create, add, and remove unique constraints in PostgreSQL with syntax and examples….

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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 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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