Create Snapshot Table

1. Drop snapshot table, nextSnapshotId table, and getNextSnapshotId proc.
2. Create and populate nextSnapshotId table; create snapshot table, index and primary key
3. Create 1st foreign key
4. Create 2nd foreign key
5. Create 3rd foreign key
6. Create 4th foreign key
7. Create 5th foreign key
8. Create 6th foreign key
9. Create getNextSnapshotId stored procedure

• Drop del_snapshot stored procedure
• Create del_snapshot stored procedure

• Create snap_html_who stored procedure
• Create snap_html_what stored procedure
• Create snap_html_time stored procedure
• Create snap_add_html stored procedure
• Create snap_search_html stored procedure

• Drop snap_edit_html* stored procedures
• Create snap_edit_html_donor stored procedure
• Create snap_edit_html_time stored procedure
• Create snap_edit_html_who stored procedure
• Create snap_edit_html_age stored procedure
• Create snap_edit_html_what stored procedure
• Create snap_edit_html_setting stored procedure
• Create snap_edit_html_where stored procedure
• Create snap_edit_html_coll_from stored procedure
• Create snap_edit_html stored procedure

• Drop ins_snap* stored procedures
• Create ins_snapshot stored procedure
• Create ins_snap_age stored procedure
• Create ins_snap_what stored procedure
• Create ins_snap_who stored procedure