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Im trying to get it right just can't seem to get the right line.
if (score is 50 or below) then (-2 from score)
how would I do this correctly - programatically!?
Just use a simple if statement...
if(score <= 50)
score = score - 2;
Quick google search provides some useful docs
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i have to execute two statements in a sequence. My Statement is as below. I get the above error when i run this.
TRUNCATE TABLE MANUAL_LIST_BACKUP
INSERT INTO MANUAL_LIST_BACKUP AS SELECT * FROM MANUAL_TRANSACTIONS
Separate the two statements with a ;
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I need to update every row in one table, with the help with two subqueries...
UPDATE MyTable
SET MyTable.ColumnToUpdate =
((SELECT 10000 / DCount("ID","MyTable")) * DCount("ID","MyTable","ID<="& MyTable.ID))
But this doesn't work, access complanis about an error in the first subquery...
How can i do this?
Thanks
You don't need the SELECT statement in the first piece. Try this:
UPDATE MyTable
SET MyTable.ColumnToUpdate =
((10000 / DCount("ID","MyTable")) * DCount("ID","MyTable","ID<="& MyTable.ID))
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Sql query to find out no of boys and girls in school
is it correct
select count(*)
from schooldata
group by sex;
You need sex in select as well, otherwise you can't tell which is which.
select sex, count(*) from schooldata group by sex;
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I want to select records where a field (varchar (45)) contains one and only one letter x and the field length is greater than 20
In MySQL you can do:
SELECT * FROM tablename WHERE fieldname REGEXP '^[x]{20,}$'
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$rows = Yii::app()->db->createCommand()->select('*')->from('states')->queryAll();
above code returns only single first row, while according to documentation it should return all rows.
queryAll() returns an array and u need to iterate in order to get all the records
foreach($rows as $row){
//do something
}