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Overview
Inside an 8 KB Page
Key Lookup Walkthrough
Lock Manager Walkthrough
Storage Engine Drill
Page Runner
A B+ tree platformer
Page Runner
Levels
Hint (H)
New data (R)
Sound on
Level 1
Reads
0
Rows
none
Mistakes
0
Scrolls
0/8
◀
▶
▲
▼
E
⏎
Pages read this run
Controls
←
→
or
A
D
move
Space
Z
W
jump (hold for height)
↑
climb the ladder to the parent page
↓
on a pedestal: drop to that child page
E
take a row, start a lookup, insert
Enter
stop the scan
H
hint arrow (caps stars at 2)
R
new data ·
Esc
levels ·
M
sound
Levels
Unlock all levels
Codex: scrolls found
Query complete
Next level
Replay with new data
Levels