sonicsoli.blogg.se

Dbschema imaginary lines
Dbschema imaginary lines





dbschema imaginary lines

If I want to see where a place is in the world, I just need to look at where the lines cross, and read the numbers.Īh, there he is! Latitude is 32 degrees south, and longitude is 115 degrees east. The other lines show how many degrees east or west of this you are. The line going through London, called Greenwich Meridian, is the starting point at zero degrees. If you specify the ALL keyword for the table name, the distributions for all the tables in the database are displayed. Distribution information for tables in dbschema output The dbschema -hd command with the name of the table retrieves the distribution information that is stored for a table in a database. Privileges The dbschema -p command generates information on privileges. Lines of longitude run from the top of the Earth to the bottom, and divide up the Earth a bit like the segments of an orange. The dbschema -r command generates information on the creation of roles. Lines of latitude run around the Earth like imaginary hoops and have numbers to show how many degrees north or south they are from the Equator. To do that, I’ll use what’s called latitude and longitude. Well I’m on the half that’s above the Equator, which is called the Northern Hemisphere and he lives on the half that’s below the Equator, which is the Southern Hemisphere.īut I also need to find out how far around the Earth he is, and how far down. Running around the middle of the planet is an imaginary line called the Equator. It’s not a problem though, because I know a good way to find out exactly where he lives.įirst, I’m going to find out which half of the Earth he’s on.

dbschema imaginary lines

I’ve been asked to deliver this parcel to my cousin but he lives on an island and doesn’t have an address to send things to, like you or me.







Dbschema imaginary lines