I am looking for SQL to Find Differences between columns and only till 12 rows and then sum the differences. For example this is the table I have TAB_PAYOUT. Column DIFFERENCE is calculated by substracting the value of column PAY…
My requirement is to get ID of a row where date_created is max for which I have written below query. But everytime I run it its returning wrong ID. In this post select returns wrong id when using max people…
When I run docker-compose artisan migrate or ./vendor/bin/sail artisan migrate, I get this error: SQLSTATE[HY000] [2002] Connection refused (Connection: mysql, SQL: select * from information_schema.tables where table_schema = warehouse and table_name = migrations and table_type = 'BASE TABLE') You can…
Am building a mini project on how to display a school broadsheet, i have try all i know best but no solution, please i need your help. I have three tables Students, Scores, Subject. This is how i want my…
I have table like this: news_to_category news_id category_id 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 4 1 4 2 4 4 5 2 5 3 5 4 And now I need…
I want to execute 2nd query if first query return no result. I want to get those id age > 20. If no result, want to get number of id with age < 20. In table: id name gender age…
Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column. To disable safe mode, toggle the option in Preferences -> SQL Editor and reconnect I tried…
I've created a column of usernames but the ids for each row is linked to another table. If a user is deleted, I'd like to change the username to 'Deleted'. So I'd like to allow for unique values except for…
I am new to spring framework. I am trying to create a CRUD application. After running the Spring application, the application starting successfully but database is not getting updated. My database name is Emp. When the springboot application started successfully…
I'm trying to get all value of column 'group' from table 'group' at android room-database. Here is table 'group' at my android room-database. enter image description here And this is Dao. I want to use getGroupName() enter image description here…