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PostgreSQL DEFAULT Values

When it comes to managing data in relational databases, PostgreSQL stands out as a robust and flexible option. One of its many features is the abili…

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PostgreSQL NOT NULL Constraints

In the realm of database management systems, PostgreSQL stands out as a robust and versatile option for handling data. One of its fundamental feature…

PostgreSQL UNIQUE Constraint

In the realm of relational databases, ensuring data integrity is paramount. One of the fundamental tools in achieving this goal is the UNIQUE constr…

PostgreSQL CHECK Constraint

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DELETE CASCADE in PostgreSQL

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PostgreSQL Foreign Key

PostgreSQL Foreign key is a crucial aspect of maintaining data integrity and enforcing relationships between tables within a database. They play a pi…