Abstract: Various embodiments may include taking an initial dump of a database table and tracking changes to the database table, with regard to but outside of transactions, since a most recent full or partial dump has been taken. A partial dump, in such embodiments, may be taken since the most recent full or partial dump and used to create a data structure which may be used to update only those database table rows modified since a last full or partial dump. As a result, the dumps of a database table will include a single full dump and may include one or more partial dumps. These full and partial dumps may then be instantiated to create or update an instance of the database table. In some embodiments, dumps may be taken directly to a mirrored instance of a database table.

Abstract: Various embodiments may include taking an initial dump of a database table and tracking changes to the database table, with regard to but outside of transactions, since a most recent full or partial dump has been taken. A partial dump, in such embodiments, may be taken since the most recent full or partial dump and used to create a data structure which may be used to update only those database table rows modified since a last full or partial dump. As a result, the dumps of a database table will include a single full dump and may include one or more partial dumps. These full and partial dumps may then be instantiated to create or update an instance of the database table. In some embodiments, dumps may be taken directly to a mirrored instance of a database table.

Abstract: The Extendible Conveyor System (ECS) is a system that allows material to be transported from a low plane, such as a truck bed, onto a high plane, such as a rooftop. The ECS has the ability to extend its length via the use of hydraulics thus greatly increasing its reach enabling the conveyor to carry material further distances. The material may be fed continuously at a rate selected by the operator. The ECS employs a Dual Ram Stem at its base to allow the base to raise and lower for the easier loading of material onto the conveyor at the truck bed end.

Abstract: The improved power hitch of the present invention includes a first cylinder 10 has an extension 9 pivotably mounted at 54 on a transverse cylindrical pin 54 extending between vertical legs 50 and 51 to allow vertical movement, and on a vertical pin 56 to allow limited horizontal movement. Cylinder 10 receives a piston rod 13 extending outwardly therefrom which receives a universal hitch receiver 11. A second cylinder 60 is also mounted on transversely spaced vertical legs 50, 51 at 62. An electric motor 30 pumps fluid from reservoir 32 into cylinder at 64 to move cylinder 12 up and a 66 to move cylinder 12 down.

Abstract: The improved power hitch of the present includes a first cylinder has a tubular extension 16 pivotably mounted at 54 on a transverse cylindrical pin 54 extending between vertical legs 50 and 51 to allow vertical movement, and on a vertical pin 56 to allow limited horizontal movement. Cylinder 10 receives a piston 10 extending outwardly therefrom which receives a universal hitch receiver 14. A second cylinder 60 is also mounted on transversely spaced vertical vertcal legs 50, 51 at 62. an electric motor 30 pumps fluid from reservior 32 into cylinder at 64 to move cylinder 12 up and at 66 to move cylinder 12 down.