Retrieve varbinary value as BASE64 in MSSQL

Question

I\'m looking for a way for retrieving Entity Data Model (EDM) from __MigrationHistory table using only T-SQL (so anyone, using Microsoft SQL Se

Answer 1

It's apparently gzip'd xml. eg

SELECT MigrationId
      ,ContextKey
      ,cast(decompress(model) as xml) model
  FROM __MigrationHistory