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PHP SQL Select between 4 columns


PHP SQL Select between 4 columns

By : Luis Eduardo Morocho
Date : November 22 2020, 02:42 PM
around this issue The years aren't disconnected from the months, so you can't test them separately.
Try something like
code :
$date1 = $year*100+$month;   // will be 201509
$date2 = $year2*100+$month2; // will be 201602
...
SELECT * FROM table WHERE (YEAR*100)+MONTH >= '$date1' AND (YEAR*100)+MONTH <= '$date2'


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How to select unique columns from X columns but show X + Y columns from the results in SQL?

How to select unique columns from X columns but show X + Y columns from the results in SQL?


By : noha nagy
Date : March 29 2020, 07:55 AM
Any of those help To get the unique time and server values along with the largest data value you could use a query with a GROUP BY, as follows:
code :
SELECT TIME, SERVER, MAX(DATA)
  FROM TABLE
  GROUP BY TIME, SERVER
  ORDER BY TIME, SERVER;
Trying to SUM columns created in the select statement with columns named in the select

Trying to SUM columns created in the select statement with columns named in the select


By : ecksofa
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Unfortunately you cannot reference a column alias within the same select statement. Typically the work around for this is to make your core query a sub query and then reference the column aliases OR you can repeat the same logic again in the calculation (so you would repeat all of those case and sum statements in the aggregate calculation again).
Below link for reference since this has been asked before: Reference an alias elsewhere in the SELECT list
MySQL UNION Statement to select two columns having a specific value and select two other columns having another specific

MySQL UNION Statement to select two columns having a specific value and select two other columns having another specific


By : user6559294
Date : March 29 2020, 07:55 AM
wish helps you I have searched for this question on S/O but couldn't find anything. What I'm trying to do is two select two rows containing a value plus two rows containing the other value. Like: , Wraps the two portions of the UNION in parentheses:
code :
(SELECT * FROM breakfast WHERE valueforunit = '1' ORDER BY RAND() LIMIT 2)
UNION ALL 
(SELECT * FROM breakfast WHERE valueforunit = '20' ORDER BY RAND() LIMIT 2)
Select few columns from Model and select few columns from its relation table

Select few columns from Model and select few columns from its relation table


By : Sunil Samuels
Date : March 29 2020, 07:55 AM
I wish did fix the issue. In your with call you need to select the primary key from your Role model so the roles will get attached when they are retrieved after the query. Besides that, select whatever other columns you want in the closure passed to the with method:
code :
$data = UserModel::select("UserName", "EmailAddress", "LastName")
    ->with(['Role' => function ($q) {
               $q->select('RoleID', 'Role', 'OtherColumn')
            }])
    ->get();
// This will return the first user
$user = $data->first();

// This returns the entire user role model with the selected columns
$role = $user->Role;

// Access Role attributes through the Role Model
$role->Role;
Select distinct on specific columns but select other columns also in hive

Select distinct on specific columns but select other columns also in hive


By : DanKho
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I have multiple columns in a table in hive having around 80 columns. I need to apply the distinct clause on some of the columns and get the first values from the other columns also. Below is the representation of what I am trying to achieve. , You can use row_number function to solve the problem.
code :
create table temp as
select *, row_number() over (partition by col1,col2,col3) as rn
from abc 
where col1 = 'something';

select *
from temp
where rn=1
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