1%AEI..it 1:09 : sample_final.pdf Advanced Database 1- Convert this relational database to a key value database Stnum Name Subject Avg Eyear 9611 Comp 17 1396 9712 16 1397 Elec | 9813 IT 18 1398 9811 IT 17 1398 9914 Elec 16 1399 9815 Comp 19 1398 2- Convert this relational database to a document database 3- Design a column family database for school. In school there are teachers and students. Teachers present courses for students. 4- Design Graph database for railway in Iraq. The railway connects different railway stations. O