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General error: 1 Cannot add a NOT NULL column with default value NULL (SQL: alter table "cp_transactions" add column "amount1" varchar not null) · Issue #55 · hexters/CoinPayment · GitHub
Working with DEFAULT constraints in SQL Server
SQL SERVER - How to Add Multiple New Columns to Table with Default Values? - SQL Authority with Pinal Dave
Working with DEFAULT constraints in SQL Server
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How To Use Default Constraint In SQL Server
