Re: Design a database
On Mar 26, 11:37pm, RogBa...@gmail.com wrote:
> On Mar 26, 10:43am, panab...@gmail.com wrote:
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> > Hi,
>
> > I need to design a database, but i i just don know if i am doing it
> > correctly.
>
> > Basically, i have equipment which is sending me a lot of gauges
> > readings (high limit, low limit, current level), electrical readings,
> > hydraulic readings, alarms levels such as Fuel level, temperature
> > level, etc etc, about 200 different types of readings, continuously. I
> > may have different types of equipments and although most of the data
> > are the same, except some data types and its availability may be
> > different., depending on the type of equipment.
>
> > I want to keep this readings in a database, and this database will be
> > updated constantly. I will update display using the readings from the
> > DB. Eventually i also want to use the data from the database to plot
> > chart or run simulation.
>
> > Should i create all of this different gauges readings in one big
> > single table? If i do so, i only have one long row of data then for a
> > particular equipment.If i put in different table, i can't see how i
> > can create relationship among my tables with such kind of data.
>
> > Can you on the possible ways of putting this equipment real time
> > readings into DB?
>
> You don't necessarily have to have a relational database, it is just
> useful for data integrity. You could have one table per piece of
> equipment if that makes sense. If you started repeating data, that
> would be a prompt to pull it out and make a related table.- Hide quoted text -
>
> - Show quoted text -
In this case, i most probably have only just one row of data, with
possibly 200 columns to cater for all the readings i get from my
equipment, in one single table. Does this sound ok..?
if i need to plot data later, should i use fix time stamp interval as
the row in my table?
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