Primary key best practices include selecting unique and immutable attributes, avoiding composite keys when possible, using surrogate keys for large tables, ensuring consistency across related ...

The candidate key is also known as the primary key, or if a structure has multiple candidate keys, then one of them is designated as the primary key. When building up a logical design, primary keys ...

Ensuring the integrity of the organization's databases is a key component of the DBA's job. A database is of little use if the data it contains is inaccurate or if it cannot be accessed due to ...