mysql-error-1054

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sql subquery problem

Im little speak english. I have an sql subquery error Database : MySQL Table type : MyISAM the following my sql query[详细]

2023-01-31 03:24 分类：问答
Filtering on an alias in mysql

Why doesn\'t the following query work? Mysql complains about z - can\'t I use an alias in the WHERE clause?[详细]

2023-01-26 23:38 分类：问答
How can I 'SELECT INTO' with unknown columns?

MySQL always throws an error when doing something like: INSERT INTO `newtable` (`a`, `b`, `c`, `d`) SELECT[详细]

2023-01-26 16:29 分类：问答
Can't create Doctrine Query - many addFroms

I\'m having trouble converting a SQL query to Doctrine. I have the following setup: path (hierarchy) Id | template_type | object_id | name | path | rgt | lft | level[详细]

2023-01-25 18:28 分类：问答
Why Can't I Use Defined Variable in Where Clause

My query is: SELECT offer, (SELECT AVG(offer) FR开发者_如何学GoOM project_bids ) as var1 FROM `project_bids`[详细]

2023-01-24 12:55 分类：问答
count for each row

What is wrong with this query? SELECT *, (SELECT COUNT(*) FROM ( SELECT NULL FROM words WHERE project=projects.id[详细]

2023-01-23 08:51 分类：问答
Using INNER JOIN with MySQL on selecting multiple tables?

I have a site where a specific set of data is collected. This is a travel agency website. It is neccesary to determine whether or not an accommodation is still bookable. When I don\'t select any searc[详细]

2023-01-22 12:00 分类：问答
Updating users table from complex SQL query, users.id not recognised?

So the other day, I asked this question about how to combine three complex queries and found a way to do it.Now I\'m trying to 开发者_如何学运维use those queries to update a field in the users table a[详细]

2023-01-18 17:51 分类：问答
Mysql subquery problem

loans (columns: id, u开发者_如何学Goser) payback (columns: id, installment, scheduleDate) If a loan is to be paid in 12 installments, then there are 12 payback records with loan id.[详细]

2023-01-18 08:20 分类：问答
MySQL Trigger - update table with value selected from another table

I\'m having problems updating row in a table with value selected from another table in MySQL Trigger. My Trigger looks like this[详细]

2023-01-14 15:32 分类：问答