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I'm working on an IPN for PayPal, and I need to know how to select a certain amount of rows where sold='false'
The following should work:
SELECT * FROM your_table WHERE sold='false' LIMIT 10
select * from table where sold='false' limit 10
OR
select * from table where sold='false' limit M,N
this query fetches data starts from Mth row to N number of records
.
select top 10 * from table where sold='false'
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i want a mysql select query where i can get first 100 numbers starting from 1 and ending to 100 without CTE or any procedures just want a query only.
When I need a list of integers I use
SELECT help_keyword_id num
FROM mysql.help_keyword
HAVING num BETWEEN 1 AND 100
ORDER BY 1;
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Closed 7 years ago.
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Trying to get all rows where userid = 'me'
Then 2 newest rows where userid <> 'me'
Items:
Userid time
other2 11
other3 10
me 10
me 8
other1 8
other3 7
me 6
would return
Userid time
me 10
me 8
me 6
other2 11
other3 10
The results don't have to be in any order
(SELECT * FROM Items WHERE userid='me' )
UNION ALL
(SELECT * FROM Items WHERE userid<>'me'
ORDER BY time DESC LIMIT 2)
This only outputs 2 rows
The sql was correct as shown above
(SELECT * FROM Items WHERE userid='me' )
UNION ALL
(SELECT * FROM Items WHERE userid<>'me'
ORDER BY time DESC LIMIT 2)
Union All concatenates the two queries, and the parenthesis allow different WHERE/ORDER BY/LIMIT clauses.
Demonstrated here:
http://sqlfiddle.com/#!9/ca405/1/0
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I have this table, answers:
user
question
rightAnswer
ab
1
0
bc
1
1
de
1
1
bc
2
1
ab
2
1
de
2
0
fx
2
1
I want to create a view in phpMyAdmin that can display the question number, the total number of answers to that question and the number of right answers to that question.
I would like it to look like:
question
total answers
right answers
1
3
2
2
4
3
Could anyone help me to make this view? How do I create the query? I have tried something about count(*) where rightAnswer=1, but I cannot get it to count BOTH the total number of answers and the number of answers of each question.
try something like this:
select question,count(*),sum(rightAnswer)
from TABLE
group by question
order by question
select question, count(*) as total_answers, sum(rightAnswer) as right_answers
from your_table
group by question
order by question
Using ms sql syntax:
SELECT Question, totalAnswers.Total, rightAnswers.correct
FROM answers AS a
INNER JOIN (
SELECT Question, COUNT(rightanswer) AS correct
FROM answers
WHERE rightanswer = 1
GROUP BY Question
) rightAnswers
ON a.Question = rightAnswers.QUestion
INNER JOIN (
SELECT Question, COUNT(rightanswer) AS total
FROM answers
GROUP BY Question
) totalAnswers
ON a.Question = rightAnswers.QUestion
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I want to select 4 random rows from a table where level = 1 and 4 random rows from the same table where level=2. How can I do this in 1 query ?
select * from (select * from your_table
where level = 1 order by rand() limit 4) x
union all
select * from (select * from your_table
where level = 2 order by rand() limit 4) y
try like this...
SELECT product_id, title, description FROM products WHERE active = 1 AND stock > 0 ORDER BY RAND() LIMIT 4;
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this table called category
I want to select records with Sid=3 AND Bid =0 that not duplicated with Sid=3 AND Bid=8
(I want to select the red record in the image)
http://img27.imageshack.us/img27/8127/6opr.jpg
You can use a subquery like this :
SELECT * FROM Category WHERE Sid = 3 AND Bid = 0
AND Name NOT IN (SELECT Name FROM Category WHERE Sid = 3 AND Bid = 8)