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Ars Technica14y

SQL Multi-column uniqueness constraint across related tables?

I've got an interesting constraint I'm trying to add to our database. I can do with with triggers, but am curious if there is a more elegant way to do this in T-SQL (SQL2005, FWIW) We have two related ...
GitHub1y

SQL generated by Liquibase is not accepted by H2 because because foreign key constraint assume existence of a unique key.

Exception in thread "main" liquibase.exception.UnexpectedLiquibaseException: liquibase.exception.CommandExecutionException: liquibase.exception.LiquibaseException ...
IEEE9y

On assisting domain and not null constraint management with DBDetective 2.0 for Oracle

Abstract: DBDetective for Oracle is a metadata mining tool for detecting and correcting possible violations of some crucial database (db) design, implementation, usage, and optimization best practice ...
GitHub2mon

4.1.3 升级到 Pro 版失败，报错 constraint failed: NOT NULL constraint failed: new_shares.permissions

从社区版 3.8.3 迁移到社区版 4.0.0 时没有报错，此后尝试升级到 Pro 版 4.0.0 时报错 Failed to upgrade to Pro: sql/schema: copy rows from old table "shares" to new temporary table "new_shares": constraint failed: NOT NULL ...