···11+-- Add slice_uri field to record table to associate records with specific slices
22+ALTER TABLE "record" ADD COLUMN "slice_uri" TEXT;
33+44+-- Create index on slice_uri for efficient slice-specific queries
55+CREATE INDEX idx_record_slice_uri ON "record" ("slice_uri");
66+77+-- Create composite index for slice + collection queries (common pattern)
88+CREATE INDEX idx_record_slice_collection ON "record" ("slice_uri", "collection");