I have 3 tables with name USER, SCORE and LEVEL as given below. From these tables, I’m trying to prepare a scoreboard, in which each user will be arranged based on their level, and score. And for each user, only highest level and corresponding highest score in that level will be shown. I have written a JOIN query as below
ADD INSEET to SELECT QUERY for missing values
I have the following simplified table. |———————|——————|——————| | month | customer | value | |———————|————–…
Fixing set-returning functions are not allowed in UPDATE
After upgrading to Postgres 12 statement throws error set-returning functions are not allowed in UPDATE How to fix this ? In Postgres 9.1 it worked. I read similar answers here but they recomment to totally overwrite statement. Maybe there is simply change which makes this statement work ? Result should by any value of xpath expression in case if xpath
How to group sum results by date with custom start time PostrgresQL
I am trying to group my sum results by custom day in Postgresql. As regular day starts at 00:00 , I would like mine to start at 04:00am , so if there is entry with time 2019-01-03 02:23 it would count …
Why does this sql select selects everything 3 times
I have a homework where I need to display every employee together with his manager`s id (it needs to also display employees with no manager). All of them are in a same table named employees. However …
Get the names of all the tables and the views in a single SQL query for SQL Server?
I know that INFORMATION_SCHEMA.TABLES gives the table names and sys.views gives the view names. But I’m not able to get both in a single query result. Any help is appreciated.
I’m not using count but my log told me “count syntax error”
I have a request who look like this in PHP: SELECT CONTACT.NOM, CONTACT.PRENOM, CONTACT.TITRE, CONTACT.COMMENT2, CONTACT.TEL, CONTACT.FAX, CONTACT.EMAIL, SERVICES.NOM …
SQL “more than one row returned by a subquery used as an expression” error
name | grade ———— Sam | 4 Sam | 5 Sam | 3 Mark | 1 Mark | 2 John | 3 Alice| 1 Alice| 2 I have this database and I want to select the people who’s average grade is higher than the average grade (overall). For example, for Sam, it will check whether “(4+5+3)/3 > (4+5+3+1+2+3+1+2)/8” is true
How to combine few row record in mySQL?
I am trying to combine few rows combine and output as 1 row. Here is my example and my expected output. I have tried group_concat and put if/ case condition in query but it seems somehow cannot output …
How can I add a Count with a condition from another table to a column/equation?
I currently have a table that calculates some player stats Results I am looking to also add the stat “Overall average % of field beaten”, but I am not sure how. The relevant columns in “EventResults” table are ‘EventID’, ‘PlayerID’ and ‘Position’ Image of EventResult table The equation would be But I can’t wrap my head around how to get