Week 7

Answer 1: This week we got knowledge about Data design, DBMS concept its feature and constitutes. We also learned about DML(Data manipulation language), data schemas. Most important is the types of data design which are highly considered while developing any system of which web based design is famous now days. Week 7 also told about data design terminology which includes definitions, keys, relation etc. ERD which is included in our assignment is properly explained in this week as well. ERD was discussed in deep and design methodology and common problems were discussed. Cardinality was also properly explained with live examples. Normalization and its all forms were also discussed in this week. With all this database design, concept, data storage and access and data control is also briefed.

Answer 2:  All concepts discussed in week 7 are most important as to develop information system its highly needed that one should have knowledge about data design, DBMS. As these major phases which contribute highly to the system development phase. Moreover to ERD is also important as it is used to make a print of system to be processed and developed so that we can prior to development know how our system performs, what does it performs, way it talk to other modules included and information included in it. Normalization is other way of achieving this thing. To be system analyst we have to get proper knowledge of all these concepts as these contribute to our role as well.

Answer 3: Since this week explained much about my problems I don’t feel that I am stuck in any other topic. As earlier I’ve got some problems with ERD and setting relations but this was explained in this week.

Answer 4: I personally don’t feel any problem till today.