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Lets say I have the table as follows
Name Firm Salary
Aron X 100
Bill X 200
Clint Y 300
I want to find the firm with maximum number of employees and produce the result
Firm Total
X 2
However here is my problem, The following query never works in MySQL
select firm,max(Number_Of_Employees) as Total from
(select firm,count(*) as Number_Of_Employees from works group by firm)
as temp;
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Closed 8 years ago.
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I have this table:
Well, When I execute this query:
SELECT * FROM users order by rp_bought desc limit 5
I get no errors but, The username, Raed is in the last place as Raed Has the Most Rp_Bought (1300)
Im Wondering Why is this Problem Occurring.
This would occur if rp_bought were stored as a string rather than as a number. In MySQL you can easily fix this by adding 0:
order by rp_bought + 0 desc
The + 0 is an easy way to convert from a string to a number (with no additional errors occurring).
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I am trying this . I have a table in mysql named "quotes" with columns (id,quote,author) with around 100 rows.
i want to select one quote daily and next day another quote sequentially .
how do i achieve this task. I want to get and display it in my webpage daily one quote.
If your id column is sequential (i.e. no gaps) from x to y, you could use modular arithmetic:
SELECT * FROM quotes WHERE id = x + TO_DAYS(CURRENT_DATE) % (y - x + 1)
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so let's say I have 5000 rows, I want to select the rows from 2000 to 3000 only, how to do that via a SQL query?
Try this
select * from table limit 2000,1000
limit from,how-many
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For a MOD that I am attempting to write for phpBB, I need to know how to find a value in a row of a MySQL database table based off of another row in the table. For example, say that this is my table.
Row_Id | Name | Birthday
————————————————————————
1 | Bob | 1/19/1965
2 | Ann | 9/15/1968
How could I find the person’s name based off of the row ID? I haven't been able to figure it out, and Googling around warranted no results. I need the data that I get to be echoed using PHP, but I already understand how to do that.
Here you go
SELECT * FROM tbl WHERE Row_Id = $id
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I have a table that contains a column price with 3600 entries. I need to increase the price column by 9% or multiply the contents of the column price by 1.09 and place the updated price back in the price column. What is the best way to approach this?
Should be pretty straightforward:
Update MyTable Set Price = Price*1.09