SQL Server Team-based Development - Red Gate Software

Chapter 10: Automating CRUD
'UNIQUE_CONSTRAINT', 'USER_TABLE', 'VIEW' )
AND ep.value IS NULL
UNION ALL – -what about the database itself?
SELECT Description ,
undocumented
FROM ( SELECT 'DATABASE' AS Description ,
DB_NAME() AS undocumented
) f
LEFT OUTER JOIN sys.extended_properties ep ON ep.major_ID = 0
AND minor_ID = 0
WHERE value IS NULL
UNION ALL – – what about parameters to stored procedures
SELECT 'PARAMETER' ,
DB_NAME() + '.' + Object_Schema_name(p.[object_id]) + '.'
+ OBJECT_NAME(p.[object_id]) + '(' + p.name + ')'
FROM sys.parameters p
LEFT OUTER JOIN sys.extended_properties ep ON p.object_id = ep.major_ID
AND minor_ID = p.parameter_ID
WHERE parameter_ID > 0
AND ep.value IS NULL
UNION ALL – -or indexes? A little documentation, surely?
SELECT 'INDEXES' ,
DB_NAME() + '.' + Object_Schema_name(i.[object_id]) + '.'
+ OBJECT_NAME(i.[object_id]) + '(' + i.name + ')'
FROM sys.objects O
INNER JOIN sys.indexes i ON O.object_id = i.object_id
LEFT OUTER JOIN sys.extended_properties ep ON i.object_id = ep.major_ID
AND minor_ID = i.index_ID
WHERE index_ID > 0
AND ep.value IS NULL
AND O.Type_desc IN ( 'USER_TABLE', 'VIEW' )
AND OBJECT_NAME(i.[object_id]) NOT LIKE 'sys%'
Listing 10-1: Which database objects have no documentation stored in extended properties?
Some programmers will find automated ways of filling in the extended properties, which
will entirely defeat our attempts to extract and use meaningful documentation. Even
AdventureWorks is not immune; try running Listing 10-2 against that database.
296