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List all DEFAULT Constraints in your database

Antonios Chatzipavlis
Tuesday 17 November 2015

Ακόμα ένα χρήσιμο metadata query για όσους θέλουν να έχουν συγκεντρωτική πληροφορία αυτή φορά για τα default constraints που έχουν στην βάση τους.

Αυτή την φορά χρησιμοποιώ απευθείας τα system views και σε εκδόσεις πριν το SQL Server 2000 δεν θα δουλεύει το συγκριμένο metadata query.

Σε αυτό παίρνω περιεκτική πληροφορία όπως φαίνεται στην εικόνα που ακολουθεί το παρακάτω metadata query
select 
        SCHEMA_NAME(o.schema_id) as [schema_name]
,        o.name             as [table_name]
,        c.name             as [column_name]
,        d.definition         as [default_definition]
,        d.name             as [constraint_name] 
from sys.default_constraints as d
inner join sys.columns as c
    on c.object_id=d.parent_object_id and d.parent_column_id=c.column_id
inner join sys.objects as o
    on o.object_id=c.object_id
order by 1,2,3;
results

Antonios Chatzipavlis

Antonios Chatzipavlis

Antonios Chatzipavlis is a highly experienced Data Solutions Consultant and Trainer. He has been working in the IT industry since 1988, holding various roles such as senior developer, IT Manager, Data & AI Solutions Architect and Consultant.

Since 1995, Antonios has focused on modern technologies and software development tools, primarily by Microsoft. He has specialized in Data & AI since 2000, with expertise in Microsoft Data Platform (SQL Server, Azure SQL Databases, Azure Synapse Analytics, Microsoft Fabric, Power BI, AI) and Databricks.

Antonios is also a Microsoft Certified Trainer (MCT) for over 25 years, has been recognized as a Microsoft Most Valuable Professional (MVP) in Data Platform since 2010 and he is in the Data Expert 40 Powerlist 2024 by Boussias. He is the co-founder and visionary behind XLYTiCA, a company dedicated to Data & AI solutions.

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