in-subquery

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Multiple values IN

Normally IN is used with one value: SELECT * FROM data WHERE f1 IN (<subquery>) It is possible to use it with multiple values:[详细]

2023-04-08 07:45 分类：问答
Am I crazy: PostgreSQL IN operator with nested query returning unexpected results

The following query returns 2036 rows: SELECT \"FooUID\" from \"Foo\" f LEFT JOIN \"Bar\" b ON f.\"BarUID\" = b.\"BarUID\"[详细]

2023-04-03 22:37 分类：问答
MySQL returning multiple rows as columns

I\'m a bit rusty with SQL, I have one simple table col1col2col3col4 ident1name1data1data3 ident2name1data8data7[详细]

2023-03-28 01:29 分类：问答
Get distinct max date using SQL

I\'m not sure quite how to title my question but this is what I\'m trying to do: Given pc_tmppl_tbl pc_tmppl_attach pc_tmppl_val1pc_tmppl_crtdt[详细]

2023-02-25 04:35 分类：问答
SQL select with "IN" subquery returns no records if the sub-query contains NULL

I came across this interesting behavior. I see left-join is the way to go, but would still like to have this cleared. Is it a bug or behavior by-design? Any explanations?[详细]

2023-02-01 13:58 分类：问答
Below query doesnt give me expected result please help me out

The select query has to display seperate row for every value it gets but on executing this query it yields only first value from the sub query used in IN cla开发者_运维百科use.[详细]

2023-02-01 13:21 分类：问答
MySQL DELETE FROM with subquery as condition

I am trying to do a query like this: DELETE FROM term_hierarchy AS th WHERE th.parent = 1015 AND th.tid IN ([详细]

2023-01-31 16:05 分类：问答
SQL subquery matches hard-coded IN criteria, but not subquery

I have a group of people who have taken a test.I can select their IDs with this query: SELECT person_id[详细]

2023-01-21 18:07 分类：问答
MySQL Subquery Causing Server to Hang

I\'m trying to execute the following query SELECT * FROM person WHERE id IN ( SELECT user_id FROM participation[详细]

2023-01-09 01:54 分类：问答
Is there a better way to write this SQL than using WHERE ... IN (subquery)?

is there a better way to write this SQL than using WHERE ... IN (subquery)? SELECT device.mac, reseller.name, agent.name[详细]

2022-12-19 02:33 分类：问答