Description of the illustration tgsql_vm_020.eps

An arrow has marks for 8/10, 8/20, 8/24, and 8/25. The 8/10 mark has a box containing the text "AAAAA." It is labeled Statistics Gathered. The 8/20 mark has a box containing the text "BBBBB." It is labeled Statistics Gathered. The 8/24 mark has a box containing the text "BBBBB." It is labeled Recent Statistics May Be Causing Poor Plans. The 8/25 mark has a box containing the text "AAAAA." It is labeled 8/10 Statistics Restored.