If you enjoy crafts that become a decor piece for your home, then you're going to love this DIY that turns coconut shells into a vase and flower.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

It would be useful to have the method Inspector.get_unique_constraints implemented for SQL Server. My immediate use case is that alembic uses this method to detect unique constraints, and it would be ...

What is the expected behaviour? Starting in 2.0, inconsistent metadata should no longer prevent server start. Instead, hasura will still start with reduced functionality depending on the metadata ...

Real-world relational databases have tables that contain fields, constraints, and triggers, and tables are related through foreign keys.

SQL UNIQUE Constraint UNIQUE constraint is used to uniquely identified a field or column in a database system. The PRIMARY KEY and UNIQUE constraints both give a assurance for uniqueness of a column ...

Ars Legatus Legionis 24y 11,116 Mar 29, 2010 #2 You'd need to effectively have a one-column table, say, "wrenches", that listed only wrenching tools (with a foreign key constraint to "tools"), and ...