Maybe this will help you...
1) Is there a command that will display a detail of a table, in other words the fileds in a table with its field type and length????
A: SELECT *
from INFORMATION_SCHEMA.Columns
where table_name = 'your_table'
2) How can I comment out a couple of execution lines.
A: If you want to comment out lines you can use these:
-- Code (this will commnet everything to the right of the 2 minus signs
or
//* Code *// (this will comment everything between them)
Hope this help you.
Antoniol