Week12

This week is the last week with Miss Nisha. We had to submit our wed site, besides that Miss Nisha also helps us to review all the lectures that we have learnt before. In the other hand, we also had to learnt a new topic. This was about database. "Database is a collection of interrelated data stored together controlled redundancy to serve one or more applications in an optimal way". There are 4 types of database models are network model, relational model, hierarchical and object-relational model.Then, we have also known about DBMS which is software used in adding, updating, managing, accessing and analysing data in a database. For examples Microsoft Access, oracle, MySQL etc. SQL is a standardized query language for requesting information for a database. We can easily understand this from the image below-:

To fortify our knowledge about database, our lecturer has given us an exercise to do. Those questions related with our topic. However, i have made many mistakes.