SQL tutorials

Examples showing the SQL classes.

Files
file	sqlcanvas.C
	This is slight modification of ntuple1.C example.
file	sqlcreatedb.C
	Create a runcatalog table in a MySQL test database.
file	sqlfilldb.C
	Fill run catalog with nfiles entries.
file	sqlselect.C
file	sqltables.C
	This is an example illustrating how the TSQLFile class can be used.