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PostgreSQL Constraints: Learning PostgreSQL with Grant

One of the most important aspects of data management is the ability to ensure that the data in your database is well defined and consistent. Some aspects of that are ensured through the relational data structures you design. Another piece of control is using the correct data type. Then, we get to constraints. A constraint is a way to validate data prior to adding it to your database. This is one more tool in the toolbox that helps you maintain good data.

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The future of AI in solving database challenges

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Join Redgate’s own DevOps Advocate, Steve Jones, along with webinar guests Kellyn Pot’Vin-Gorman (Principal Cloud Solution Architect, Microsoft) and Brian Randell (Product Marketing Director, Github) to discuss how AI could help manage complex database ecosystems.

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Vectors in SQL Server 2025

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Odd Sequences

By Steve Jones - SSC Editor

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Everything is the right question away

By Steve Jones - SSC Editor

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Question of the Day

Odd Sequences

What values are returned from this code?

CREATE SEQUENCE NumericSequence
    AS NUMERIC(5,1)
    START WITH 1.0
    INCREMENT BY 0.1;
GO
SELECT NEXT VALUE FOR NumericSequence
GO
SELECT NEXT VALUE FOR NumericSequence
GO

See possible answers