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July 26, 2021 09:39
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List the columns from a table
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SELECT | |
c.name [Column Name], | |
CONCAT( | |
t.name, | |
CASE | |
WHEN t.name IN ('char', 'varchar','nchar','nvarchar') THEN | |
CONCAT('(', IIF(c.max_length=-1, 'MAX', CONVERT(VARCHAR(4),IIF(t.name IN ('nchar','nvarchar'), c.max_length/2, c.max_length))), ')') | |
WHEN t.name IN ('decimal','numeric') THEN | |
CONCAT('(', CONVERT(VARCHAR(4),c.precision), ',', CONVERT(VARCHAR(4),c.Scale)+')') | |
ELSE '' | |
END | |
) AS [Data Type], | |
-- t.name, | |
-- c.max_length 'Max Length in Bytes', | |
-- c.precision , | |
-- c.scale , | |
IIF(c.is_nullable=0, 'No', 'Yes') AS [Nullable], | |
IIF(i.is_primary_key IS NULL, 'No', 'Yes') AS [Primary Key] | |
FROM | |
sys.columns c | |
INNER JOIN sys.types t ON c.user_type_id = t.user_type_id | |
LEFT OUTER JOIN sys.index_columns ic | |
LEFT OUTER JOIN sys.indexes i ON ic.object_id = i.object_id AND ic.index_id = i.index_id ON ic.object_id = c.object_id AND ic.column_id = c.column_id AND i.is_primary_key=1 | |
WHERE | |
c.object_id = OBJECT_ID('TableNameHere') |
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