Is there any better way to make this query work? I\'m looking for a more efficient solution, if there is one available.
It\'s easy to find all the users ids who have trait.color = \"green\" but I need to find all the people who don\'t.
I have a question on making a good subquery for this problem Let\'s say we have a table users, and links.
Following query runs well in MySQL 5.x SELECT m_area.id, m_area.cn_areaName, m_area.de_areaN开发者_如何转开发ame,
Hello I made a SQL test and dubious/curious about one question: In which sequence are 开发者_如何学Goqueries and sub-queries executed by the SQL engine?
I want to translate a HQL query to Criteria API but I don\'t know if it\'s possible to write the same thing with Criteria.
i have a problem with this mysql query. It take vmore as 1 day to execute ... The query is : INSERT INTO traduction
I\'m trying to sort a user table开发者_JAVA技巧 based on how many comments they have linked to them in a secondary comment-table, I figured a sub-select will be the best tool but I can\'t get the synt
is there a better way to write this SQL than using WHERE ... IN (subquery)? SELECT device.mac, reseller.name, agent.name
I want to find the SUM of values in a column weight. I want this sum for all records that are identified with a common value in one of the columns name. Further, I want to consider only those records