I have a table of matches which look like: I need to find the total matches played by every team and the output should be like this: I know about SUM() and GROUP BY clauses but not able to do it on multiple columns. Any help would be highly appreciated. Answer You can use union all to unpivot the data
Tag: mysql
update sql table from two tables Using a single query
i want to update a table column by taking i/p from two tables in a single query. This is what i have tried. But this is not updating the table. Where Table-all_stores is: And table-i_v is: Answer if I understand correctly , you want to do this :
SQL – I need help How to COUNT all sales by month within a year
I can’t figure out a way to COUNT al transactions by month each YEAR on a single query. I figured out a way but for one month at a time, there’s a lot of data (time consuming) this is the table i want to have something like this thank you Answer here is how you can do it , using
Mysql / Maridb Python Connector is not loading data into table
The code checks if there is a table with the same name in the db and then potentially drops it, creates a new table and loads the data of the csv file into the table. When executing the code it seems like everything is working but when going in the mariadb command prompt the created table is empty even though
Truncate a column that is the result of CONCAT function?
I’m trying to truncate a column that I have created in my query to display only 15 characters, however I don’t know how to. In a table (yes), in a query (no). How would I write my code to do this? …
Data from 2 tables is not displaying on the same page
I’m a newbie in PHP and mySQL, I’m currently working on a profile page where I will display the logged in user’s personal information from one table called users and also display the tours that they will book in the future from my website from this table: booking I’m fetching the data …
What’s the equivalent syntax in MySQL for selecting date ranges by YEAR based on MSSQL syntax?
I have a MSSQL syntax to select date within 2 years: This works fine, column_1 only return date within two years of the given date. However, I’m trying to convert it to MySQL syntax, here’s what I have tried: But this returns dates not only within two years range but also other years, am I missing…
How to validate filleds in mysql for date today and onwards?
I am trying to use the following code alter table Appointment ADD constraint chk_date check( AppointmentDate >= curdate()); However it gives the following error saying that curdate function is …
How to compare counts from subselect?
I want to compare the count between two tables. Or more to say, output if the count from table1 is greater than from table2: SELECT c1 > c2 FROM (SELECT count(*) from table1) as c1, (SELECT count(*)…
How to write SQL query for filtering the row which has two values for a column?
Consider the table as below – Table A Parent_Id Child_Id is_active P1 C1 Y P1 C2 N P2 C3 N Need the SQL query to identify the parent_id which has all child_id with ‘N’. In the above table the output should be Parent_Id P2 Answer or