mysql-error-1111

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MySQL Average unique x for day of the week

I\'m trying to get a MySQL query together to get the average amount of unique devices from a table which logs mac addresses, for each day of the week in a given month and year. So far i have this to c[详细]

2023-01-30 11:51 分类：问答
mysql: select between

I am getting invalid use of group function, not really sure where the proble开发者_StackOverflowm is[详细]

2023-01-24 19:35 分类：问答
Strange Mysql error 1111, supposedly worked before

I am trying to troubleshoot a particular \'report\' that gets generated on a PHP application running on a VOIP platform (billing related). The person that asked me to do this stated \"it worked before[详细]

2023-01-20 15:56 分类：问答
MySQL fetch a field where the field exists > x times in table

I\'m trying to do the following in MySQL: SELECT DISTINCT field FROM table WHERE COUNT(field) > 10 开发者_运维百科[详细]

2023-01-18 22:34 分类：问答
mysql where count(column_name) = 1?

Here is the query I am using: SELECT k_id, COUNT(k_id) AS k_count FROM template_keyword_link WHERE k_id IN(1,2,3,4,5)[详细]

2023-01-17 16:11 分类：问答
Help with a select count query

I want to show all cities that have have a count > 5. I have tried to limit my results anything over a count of 5 but it isn\'t working.[详细]

2023-01-17 16:00 分类：问答
MySQL Query Problem with Alias and Aggregate Functions

I have a troublesome MySQL query as follows: SELECT camera_id, ((avg(low_price) + avg(high_price)) / 2) as avg_price[详细]

2023-01-14 23:43 分类：问答
mysql query to update field to max(field) + 1

What I want to do is: UPDATE table SET field = MAX(field) + 1 WHERE id IN (1, 3, 5, 6, 8); The semantics of this statement, in my mind, would be first the database would go off and determine for me[详细]

2023-01-09 07:50 分类：问答
Why would this SQL error with "Invalid use of group function"?

This is a simple query ran when the user presses logout from my website UPDATE `user_logins` SET `active` = 0[详细]

2023-01-06 18:22 分类：问答
SQL how to count all rows up to a max value

I am having trou开发者_运维百科ble counting the number of rows until it reaches a certain PK. My PK is called id and I want to count all rows until i reach a specified id[详细]

2023-01-06 09:26 分类：问答