Recent questions tagged subquery

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SELECT * FROM certs WHERE id NOT IN (SELECT id_cer FROM revokace); How do I write the above select statement in CodeIgniter active record? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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subquery - JPA 2.0, Criteria API, Subqueries, In Expressions

I have tried to write a query statement with a subquery and an IN expression for many times. But I have ... you ever written such a query? Any suggestion? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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702 views

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subquery - What is the error "Every derived table must have its own alias" in MySQL?

I am running this query on MySQL SELECT ID FROM ( SELECT ID, msisdn FROM ( SELECT * FROM TT2 ) ); and it ... must have its own alias. What's causing this error? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.6k views

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subquery - MySQL Error 1093 - Can't specify target table for update in FROM clause

I have a table story_category in my database with corrupt entries. The next query returns the corrupt entries: SELECT ... FROM clause How can I overcome this? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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468 views

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subquery - SQL Subselect calculated in one row

I have a trouble getting an SQL select to work. I have one table - below is the example: |id|name ... ://stackoverflow.com/questions/65872827/sql-subselect-calculated-in-one-row...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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800 views

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subquery - MySQL sum two values from different tables based on same key and sum those together

I already have a working query, but I have no clue if this is a good solution, because I have 3 sub queries ... -values-from-different-tables-based-on-same-key-and-sum-those-toget...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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440 views

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subquery - How can I recreate this complex SQL Query using NHibernate QueryOver?

Imagine the following (simplified) database layout: We have many "holiday" records that relate to going to a ... -can-i-recreate-this-complex-sql-query-using-nhibernate-queryover...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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