In 1981, Jim Grey introduced the ACID principle, which states that database management systems must ensure atomicity, consistency, isolation, and durability (particularly as it relates to transaction processing). This principle has guided the design of database management systems and support for transaction processing for decades. More recently, some database systems (particularly systems that are not based on the relational model and do not use SQL) have instead emphasized BASE (basically available, soft state, eventually consistent). Define both and discuss how they are similar and dissimilar in 300 words using at least 2 sources. Identify when would b the best time to use each when designing a database.