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Chloe

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Questions (6)

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3	How did this statement update 3 rows in Postgres?
2	Is it possible to combine these three join queries into one?
0	Why doesn't MySQL use indexes for subqueries?
0	Is it faster to split a large table into 12 rolling monthly tables & use UNION them for reports or keep large table & delete rows older than 1 year?
0	How can I speed up this 2m5s query that has indices?

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Answers (4)

Votes Activity Newest

0	Why doesn't MySQL use indexes for subqueries?
0	How to insert (file) data into a PostgreSQL bytea column?
0	Is it possible to combine these three join queries into one?
0	How can this unique index allow duplicate rows?

Tags (15)

0 mysql × 4	0 index × 2
0 postgresql × 4	0 performance × 2
0 join × 2	0 database-design
0 count × 2	0 union
0 mysql-5.7 × 2	0 update

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0	How can this unique index allow duplicate rows?

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