US 11,675,770 B1
Journal queries of a ledger-based database
Tate A. Certain, Seattle, WA (US); Yannis Papakonstantinou, La Jolla, CA (US); Allan Henry Vermeulen, Parksville (CA); and Christopher Richard Jacques de Kadt, Seattle, WA (US)
Assigned to Amazon Technologies, Inc., Seattle, WA (US)
Filed by Amazon Technologies, Inc., Seattle, WA (US)
Filed on Mar. 3, 2021, as Appl. No. 17/191,520.
Application 17/191,520 is a continuation of application No. 16/200,584, filed on Nov. 26, 2018, granted, now 10,942,910.
Int. Cl. G06F 16/23 (2019.01); G06F 16/21 (2019.01); G06F 16/248 (2019.01); G06F 16/18 (2019.01); G06F 16/22 (2019.01)
CPC G06F 16/23 (2019.01) [G06F 16/1815 (2019.01); G06F 16/211 (2019.01); G06F 16/2282 (2019.01); G06F 16/248 (2019.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
at least one processor; and
at least one memory comprising instructions that, in response to execution by the at least one processor, cause the system to at least:
store a plurality of records indicative of transactions performed on a first table;
receive a query of a second table of transactions performed on the first table; and
generate results of the query of the second table of transactions, the results generated in accordance with the query and based at least in part on the plurality of records, the results of the query of the second table indicative of operations performed on data stored in the first table.