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Alexey's user avatar
Alexey
  • Member for 7 years, 11 months
  • Last seen more than a week ago
10 votes
1 answer
7k views

Does latin1 have performance benefits over utf8?

6 votes
3 answers
4k views

MySQL vs PostgreSQL: Benchmarking COUNT(*) execution speed

2 votes
1 answer
106 views

Query for a month works faster then for a week

1 vote
1 answer
110 views

`t2.t1_id IN (select t1.id from t1 ...)` is slower then `t2.t1_id IN (1,2,3,...,150)`

1 vote
1 answer
3k views

Unique index by VARCHAR(1023) vs by BINARY(32)

1 vote
1 answer
1k views

How to predict index size?

0 votes
3 answers
2k views

Why is real table size much bigger than estimated size?