What is normalization Grade 12 computer science

Normalization is a process which has a setof steps that enables to identify the existence of potential problems called update anomalies (irregularities) in the design of a relation database. ... A table in particular normal form processes a certain desirable collection of properties.

you need to explain that more, your grammer just needs to be close to perfect.

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.