Recent content by harvestcows

all the way down to liquad crystal molecules and electrical currents ?

The process of identifying the entities, their attributes and the relationships between entities. Data modelling tools consist of data dictionaries, schematice diagrams and normalisation, data dictionaries help to validate data that is entered into the database by forcing any data entered to...

Do you have to know how the LCD monitors work

where do you get the catholic + independant papers from and to call the advice line do you have to give your student #?

did you get any schema/ DFD to do or was it just lecture

do you need to give them your student number to ask a question ?

so do you book or just waltz up there ?

participants directly carry out the information process of an system e.g. a database administrator while the users just use the output and generally benefit from the system

anyone have the catholic 2003, independant 2003,4,5 or any other school trial papers not already in the resource section ?

hmm okay but can you expand on Data security - easier to achieve, levels of access Data quantity - works efficiently with large amounts of data also i know what primary/composite/secondary/foreign keys are but what is a key field and is an index key the same thing as a primary key

ermm..can anyone list all the advantages of a normalised relational database versus a flat file database i've got -much more flexible in design -reduction in redundant data -takes up less space as redundant information is reduced -greater overall database organisation -easier to...

8*40 minutes per fortnight *_* yeah..ours are on all subjects including options kinda sucks to try and revise things you've forgotten

hm..yes..lwaxana you think you can give me some suggestions as well ? its a bit long though...probably 18 or so pages...if you have the time to

heinman is good enough...people i know have gotten 90 + purely with heinman i think its how you apply yourself and renember basic points as no one would memorise the whole book. None of the questions really tell you to spit out a definition mostly they make you draw diagrams and apply things to...

uhh...anyone here use flashcards to rote learn all the definitions etc. ? because my pile is now >10cm high and i have no idea how to study for trials or hsc .___.