How to find if a column is referenced in a computed column?

by Zikato   Last Updated April 25, 2019 12:06 PM

I'm trying to mass retype columns. That means first dropping and recreating any constraints they are part of.

I found columns referenced by these constraints

  • Foreign Keys,
  • Primary Keys,
  • Indexes,
  • Check constraints,
  • Rules,
  • Default constraints.

But I cannot find Computed columns.

I've looked into INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE, but it doesn't include Computed Columns.

There is also sys.computed_columns which shows definition, but doesn't list columns in searchable manner.

Is there anywhere else I can look? If SQL Server can figure out the dependence, I thought I would be able to as well.

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