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Tag: mysql

How to parse a json object – mysql

I have a json object like this: {“1”: {“penalty_percent”: 3, “free_day”: 5, “free_hours”: 24}, “2”: {“penalty_percent”: 2, “free_day”: 5, “free_hours”: 12}, “3”: {“penalty_percent”: 2, &#822…

SQL subquery , using WHERE & ‘IN’ to filter for specific rows

please use here and copy the code in below to add context to my questions. As you see, I have a table and within it certain Father’s have the same name, I want to choose the father that has the most dogs for my final list. You can see the entire table in Query #1 , my desired result in

How to group by multiple rows and column

For each user 3 codes are there(10,20,30) if all codes(10,20,30) are true then it has to JOINED if any codes(10,20,30) are False then it has to NEGLECTED WE have to check max(date) Table is below: Output user2 and user3 is JOINED, user1 is NEGLECTED Answer I assume that the column bool is of data type BOOL, s…

How to modify result of select statement based on values?

I am not MySQL guy just learning by doing things, I have database that stores value 0 or 1, now in grafana I want to display online if value yield from select statement is 1 and offline if value of online in select statement is 0. So far this is what I wrote But select statement through error. Answer You&#821…

How to have exact decimal values without rounding in MySQL

I have this SQL script below: What I expect like result is: 72.39. I don’t want to round the number. if I use the select round(72.396, 2) the result I get is: 72,40 How can I have what I expect without rounding using Mysql? Answer You need to use the truncate function instead of round: To answer the que…