I have a simple table with only 2 columns: | name | domain | I need a SQL query to get this data: | domain | names count | sample name 1 | …2 | …3 | …4 | …5 | So, the first part is simple, …
multiple foreign keys as primary key postgres, should I do it?
This is one of those: why I should or why I should not. So my books app has reviews, but one user must not review the same book more than one time. In my point of view makes sense to create a table …
Count frequency of values in rows and columns SQL
I have an SQLite database and I am trying to count the occurrence of values in a column but also values in a corresponding row. My dataset is: participant_id game_id win selected_champion …
SQL Query how to add non existing column [closed]
Hello guys i need help im stuck dont bully me for this i know it can be easy for you but im just bad at thinking lol 😀 read few times the manual on w3school and etc but still dont understand this …
Using one query to look up multiple tables with one input
the query is at line 103 This is the query I used (on Visual Studio Code)2I have a problem and I’ll try to explain it. We have to create a functioning website for one of my classes, and one of the …
use Enddate to generate Months(Dates) to Enddates in SQL
I have a table as below: I want to generate from the table above to return ID, Enddate, MRR and Month as shown Note the Month column of example ID = 2 consist of next month up to the enddate. The same applies to ID of 3 and 5. However, ID 1 and 4 Has NULL because we are in
Formatting names in a single column in sql oracle
I need to help. I am new in tha oracle. I have a simple problem. My table: create table employee (name varchar2(30)); insert into employee values (‘kevin durant’); insert into employee values (‘…
update max id_post only from table in job crons, mysql
I have a table posts id_post | status 3434 0 5655 3 5935 5 9867 1 9990 3 10975 5 11234 3 Im running a job cron to update every …
Lag() function with WHERE clause
I have this sql function that works properly: SELECT out_hum , (out_hum – LAG(out_hum, 1) OVER (ORDER BY id)) As dif FROM excel_table But I want to select all the out_hum when the diferrence (dif) …
SQL Server Multiple Rows into One row
I have a table with lot of records. I provided a sample of 1 record (4 rows) Need the rows to be combined as follows How can this be achieved? Answer You can use aggregation: Note that the data you describe sounds like it comes from an aggregation query. Usually this is more easily fixed by fixing that query …