What makes a sequence of database operations a transaction?

The most complicated four letter word

George heard about the benefits of a data warehouse. he wants to try implementing one for his organization. however, he is afraid that transferring data to the data warehouse will affect transaction time. which element ensures that transactions are not affected when moving data to a warehouse? when data is transferred to a data warehouse, the a area frees the source system to continue transaction processing.

What group of plants produce fruit? question 2 options: gymnosperms nonvascular plants seedless vascular plants angiosperms