Performance tuning tips

Performance tuning tips
TIP 1 (EXPLAIN)
12 mins
TIP 2
2 mins
TIP 3
3 mins
TIP 4 (VACCUM)
1 min
TIP 5
2 mins
TIP 6 (STRING FUNCTIONS)
3 mins
TIP 7 (JOINS)
2 mins
TIP 8 (SCHEMAS)
5 mins