SQLite has an incredibly small footprint. The database itself, its DLLs and the complimentary diff and analyzer tools are less than 15 MB in size. It's perfect for small mobile devices, advanced ...
1. races → ON CONFLICT(venue_code, race_date, race_number) DO UPDATE 2. entries → race_idルックアップ後 DELETE + INSERT 3. results → race_idルックアップ後 DELETE + INSERT（UNIQUE: race_id, pit_number） 4.
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