having
LINQ query using join and aggregate functions
Urgh...my LINQ has suddenly taken a turn for the worse!! I have two tables and want to join and perform aggregate functions upon the tables.[详细]
2023-01-12 23:15 分类:问答Multiple Havings not working
I have a database with the following schema: IDPositionIdLeagueId 145 345 385 416 I have this sql query in Access:[详细]
2023-01-10 17:13 分类:问答SQL Count where clause
I have the the following SQL statement: SELECT[l.LeagueId] AS LeagueId, [l.LeagueName] AS NAME, [lp.PositionId][详细]
2023-01-10 15:59 分类:问答MySQL / Ruby on Rails - How to "SUM" in a :has_many case
I have the following tables: User :has_many Purchases Item :has_many Purchases Item has a column \"amount\" (can be + or -) and I need to find all Users that have a positive SUM of \"Item.amounts\[详细]
2023-01-05 20:59 分类:问答SQL Group By - Select Both Columns
I have a table of users containing the following columns: User_ID(int) | Name (varchar) |Age (int)|Experience_Level (int) |[详细]
2023-01-05 06:17 分类:问答Mysql: how to select groups having certain values?
Say there is such table: mysql> SELECT * FROM tags; +---------+--------+ post_id | tag_id | +---------+--------+[详细]
2023-01-03 23:41 分类:问答SELECT MAX() with JOIN in NHibernate
I have a Vendor.Every Vendor has several Reservations, with a ReservationDate on it. I want a list of Vendors that have not made a reservation yet today.[详细]
2023-01-02 13:41 分类:问答How Do I Update a Table From Another Table Only If the Result Count is 1?
I have a table of 2 tables in a one to many relationship.I want to run an update script that will update the table with the FK of the related table only if there is one result (because if there is mul[详细]
2022-12-29 07:40 分类:问答SQL: HAVING clause
See th开发者_如何学Ce following SQL statement: SELECT datediff(\"d\", MAX(invoice.date), Now) As Date_Diff[详细]
2022-12-28 22:56 分类:问答Having a number in
Can someone give me a query that will return as a result rows ID 1 & 3? ID Name Hidden 1 Mika 1,4,2[详细]
2022-12-27 16:52 分类:问答