how to count all the record of a particular field in db

Question

i have a table where there is a column name budgetedcost it contains cost of 3 years

for eg

budgetedcost

2000

360

100

i want the total of all this for above colum my total should be 2460

i want to calculate the total cost of three years in gridview how to write an sql query for that

Subin Thomas · Answer

there is a field which i have to count aslo so group by clause will be needed right i want three fiels 1. project name 2. project year count 3.budgeted cost output 1. project name = name 2. project year count = 3 (this 3 will come by count of => 2001,2010,2011) 3.budgeted cost= 300 in this the project name , year and cost is coming from diff tables i made a join project id is common between these tables

Salman Beg · Answer

When you add group by then your output will come like as, sum of 2001 =100 ,2010=0, 2015=200 . So you need to remove it. Simply use like this, Select sum(budgetedcost) from Table where projectid=300; thanks

Subin Thomas · Answer

yes i did add group by clause but still it is not coming

Salman Beg · Answer

Did you added any group by ? Select sum(budgetedcost) from Table where projectid=300; thanks

Subin Thomas · Answer

yes right i used sum but the thing is budgeted column is linked with another column which has years in it date budgetedcost 2001 00 2001 100 2010 0 2015 200 im getting sum of 2001 =100 ,2010=0, 2015=200 i want total of particular project as 300

Madan Shekar · Answer

Select sum(budgetedcost) as totalbudgetedcost from Tablename

Salman Beg · Answer

Hey you can use the query like this, Select sum(budgetedcost) from Table; Thanks.