Dan is working with a team that is integrating an application with a database system. Which of these statements are true with regard to database systems?

The testing phase of the SDLC creates databases.

Selection of a DBMS occurs during the designing phase of the SDLC.

Database development also has a life cycle, with phases similar to those of the SDLC.

All compilers intrinsically support database creation.

Databases use query language to perform operations.