Ravi Sir's Cards › AWS
Unrank sparse
This interview card covers Unrank sparse. Deleting the player just to leave the board is heavy. REMOVE lb_pk/lb_sk so sparse GSI drops the item. Score , then appear , then remove attrs , then Query confirms gone.
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What this card says
What it is
Deleting the player just to leave the board is heavy.
Why it matters
REMOVE lb_pk/lb_sk so sparse GSI drops the item.
REMOVE attr
How / example
Score → appear → remove attrs → Query confirms gone.
Sparse mastery.