While many enterprises continue to build systems and strategies to protect their relational databases, many organizations haven't done enough to secure the information in the most common database ...

If you circulate multiple catalog titles or have a large file of records for which you’d like to see transactional history and do complex queries, maintaining a relational database (vs. a flat file) ...

It is generally used for stand-alone lists. When files must be related (customers to orders, vendors to purchases, etc.), a relational database manager is used, not a flat file manager.

For Higher Computing Science, revise the use of primary and foreign keys and the difference between flat file and relational databases.

SQL statements are used both for interactive queries for information from a relational database and for gathering data for reports. There are a number of database categories, from basic flat files ...

In non-relational "hierarchical" and "network" databases, records in one file contain embedded pointers to the locations of records in another, such as customers to orders and vendors to purchases.

For National 5 Computing Science, revise the use of primary and foreign keys and the difference between flat file and relational databases.