Data Modeling & Transformation

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Questions around Table & Schema Design, Facts vs Dimensions, Data transformations, Lookups, Table Inserts, Add Related Records, Hierarchies, Pivoting Data, Primary Keys, Relations, Bridge Tables etc.

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Create Identity column Carlos Ignacio Agüerro 2 comments 0 votes None
Are "Over Ride Data Types" applied in order like a SQL case statement? Brandon Spencer 0 comments 0 votes None
Solutions for different schemas in a data lake? Brandon Spencer 6 comments 0 votes None
Converting int/char to date Gediminas 6 comments 0 votes Completed
Incremental Table insert - Is it possible? Bas Hopstaken 2 comments 1 vote Answered
Relationship between 2 tables (left outer join) Roland Peeters 1 comment 0 votes None
Default column value for simple tables in BU / ODX Server Ben van der Helm 5 comments 0 votes None
Add related records, no relation between tables Martin Larsson 3 comments 0 votes None
Primary key violation - which record is then valid ? Torben Kylling Petersen 1 comment 0 votes Completed
Deadlock on sys.tables Josiah Norton 9 comments 0 votes None
Working with Table Inserts Greg Laymon 2 comments 0 votes Answered
Partition Scheme Anders T. Grønlund 3 comments 0 votes None
converted to type nvarchar Rajneesh Mangotra 2 comments 0 votes None
Table classification Alexander Hauenstein 3 comments 0 votes Answered
Clustered columnstore index Per Scheffer 2 comments 0 votes None
Two datasources into one table Keith Williams 7 comments 0 votes None
Setting a flag when execution is done Michael Vaisgaard 2 comments 0 votes None
Use IS NOT NULL as a join condition on lookup Mark Ferris 15 comments 1 vote None
CASE WHEN Michael Vaisgaard 2 comments 0 votes Answered
Securing sensitive data Eric van Gemert 0 comments 0 votes None
Can you protect your project from piracy? Mark Chinsky 4 comments 1 vote None
SQL 'Case' sai krishna mamidi 1 comment 0 votes None
Normalizing table containing filed in json format Hansen, Mikkel Hecht DK - NOH 1 comment 0 votes None
How to create a transformation that is different for each mapping going to the same table Steven Koppenol 5 comments 0 votes None
How can a parent-child hierarchy be historicized using parent DW_Ids? Dennis Ritz 1 comment 1 vote None
database diagram: visualize your data model Dror Svartzman 6 comments 1 vote None
Many to many Relations and condinonal joins José Hoyos 3 comments 0 votes None
Filtering on the Look up fields Banerjee, Supriyo 4 comments 0 votes None
Using Collate on Join conditions Banerjee, Supriyo 4 comments 0 votes None
How to RoundUp or RoundDown Decimal Ghazy 2 comments 0 votes None