What is the relationship between the SDLC and the DBLC? Are there any similarities?

1) What is the relationship between the SDLC and the DBLC? Are there any similarities? Are there any
parallel activities in DBLC?
2) What basic database design strategies exist? Describe Top Down and Bottom up, Centralized and
Decentralized Design). Explain how such strategies executed? And what are the consideration to know
which strategy to choose?