True or false

Time dependent attributes are attributes do not change over time T/F.

Data warehouses are periodically updates using operational data that are extracted from the transactional database T/F.

Transactional systems are read optimised, whereas informational systems are optimized for quick writing T/F.

The snowflake schema was developed to solve the drawbacks of the standard star schema. T/F.

In memory computing enables modern enterprises to utilize the same database for both OLAP and OLTP T/F.

In most cases, a denormalized database is maintained for informational requirements related to the transactional database T/F