Failed finding a solution to my problem, would love your help. ~~ Post has been edited to have only one question ~~- Group by one query while selecting multiple columns. In MySQL you can simply group by whatever you want, and it will still select all of them, so if for example I wanted to select the newest 100 transactions,
SQL join table with 12 column composite PK with itself painlessly
I have a table with a composite natural primary key that involves 12 columns (c1, c2, …, c12). I want to write a self join query: This join is a pain to write. Is there a better way? Answer Personally, if you must have a 12 column “key”, I would DROP that key, and create a computed column that concatenates
Getting student name with highest total mark in SQL
I have table named ‘marks’ which stores marks of students. I want to get the name of student who has highest total mark. I tried query like this But this is not working. Can anyone please help ? Answer get the max() total first then use a subquery
How to use temp table in SQL Server script?
I have to use some hardcode data in sql script, for this I am using temp table On line 6, it is showing error as Expecting Id Is there any simplest way to do this? Answer There is no double data type in sql server use decimal.
Need to Update based on ID and Date
I have the following SQL statement, which I think should update 1 field, using some pretty simple standard deviation logic, and based on ID and Date. I think the ID and Date has to be included to get …
SQL Select column based on MIN value of another column after left join
I have a table with the column as below, lets call the table Incident: IncidentId, IncidentType, StartDate, EndDate I need to find the EndDate of the previous Incident based on the nearest previous …
Filtering of records between sysdate and sysdate+7 from Oracle Sql is not working correctly
I am firing an SQL query to filter records between sysdate and sysdate+7 but I am getting records outside the range as well. What is wrong my SQL cursor.execute(“”” select ‘Shipment’ as …
Save other ID in database
I have 2 table here : 1. tblPurItem : itemID, categoryID, purchaseMeasurementID, stockMeasurementID, calculationMeasurementID, retailrecipeID 2. tblRecipe : recipeID, recipeName, …
Converting Queries into SQL Server syntax
I’ve been getting help from Chegg and most answers given to me don’t work for me. My first task is write a query where it list the employee assigned to the most projects. One response was: select …
SQL Finding multiple combinations in 2 tables (with all records)
I have two tables, one with some user configurations (#USERCONFIG) and the other (#COMBINATIONS), multiples combinations of configurations I need to find in the first table. With this example data, I want the resultset to look like this: Where it will return all users that have a match of configurations from the combinations table. Any help would be appreciated. Answer