Select rows that fulfill conditions












2















I need to write a query that will get a name of the company and shows only 2 rows and after that will check the next company and shows another 2 rows. Let's say that df looks like the one below:



x     y     y      name

1      2    3       ammazon

4     5     6       ammazon

7     8     9       ammazon

9     8     7       google

6     5     4       google

3     2     1       google


So result should be like that:



 x     y     y      name

1      2    3       ammazon

4     5     6       ammazon

9     8     7       google

6     5     4       google


I tried to use sql query but couldn't write the correct one. Could you help ? Or perhaps "for loop" would be better solution... anything



Thanks All !






sql python-3.x pandas dataframe for-loop







share|improve this question























  • MySQL I presume? Do you care which 2 rows? Why are there two columns with the same name?

    – Caius Jard
    Nov 21 '18 at 19:21


















2















I need to write a query that will get a name of the company and shows only 2 rows and after that will check the next company and shows another 2 rows. Let's say that df looks like the one below:



x     y     y      name

1      2    3       ammazon

4     5     6       ammazon

7     8     9       ammazon

9     8     7       google

6     5     4       google

3     2     1       google


So result should be like that:



 x     y     y      name

1      2    3       ammazon

4     5     6       ammazon

9     8     7       google

6     5     4       google


I tried to use sql query but couldn't write the correct one. Could you help ? Or perhaps "for loop" would be better solution... anything



Thanks All !






sql python-3.x pandas dataframe for-loop







share|improve this question























  • MySQL I presume? Do you care which 2 rows? Why are there two columns with the same name?

    – Caius Jard
    Nov 21 '18 at 19:21
















2












2








2








I need to write a query that will get a name of the company and shows only 2 rows and after that will check the next company and shows another 2 rows. Let's say that df looks like the one below:



x     y     y      name

1      2    3       ammazon

4     5     6       ammazon

7     8     9       ammazon

9     8     7       google

6     5     4       google

3     2     1       google


So result should be like that:



 x     y     y      name

1      2    3       ammazon

4     5     6       ammazon

9     8     7       google

6     5     4       google


I tried to use sql query but couldn't write the correct one. Could you help ? Or perhaps "for loop" would be better solution... anything



Thanks All !






sql python-3.x pandas dataframe for-loop







share|improve this question














I need to write a query that will get a name of the company and shows only 2 rows and after that will check the next company and shows another 2 rows. Let's say that df looks like the one below:



x     y     y      name

1      2    3       ammazon

4     5     6       ammazon

7     8     9       ammazon

9     8     7       google

6     5     4       google

3     2     1       google


So result should be like that:



 x     y     y      name

1      2    3       ammazon

4     5     6       ammazon

9     8     7       google

6     5     4       google


I tried to use sql query but couldn't write the correct one. Could you help ? Or perhaps "for loop" would be better solution... anything



Thanks All !






sql python-3.x pandas dataframe for-loop




sql python-3.x pandas dataframe for-loop






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 21 '18 at 18:53









TmiskiewiczTmiskiewicz

637




637













  • MySQL I presume? Do you care which 2 rows? Why are there two columns with the same name?

    – Caius Jard
    Nov 21 '18 at 19:21





















  • MySQL I presume? Do you care which 2 rows? Why are there two columns with the same name?

    – Caius Jard
    Nov 21 '18 at 19:21



















MySQL I presume? Do you care which 2 rows? Why are there two columns with the same name?

– Caius Jard
Nov 21 '18 at 19:21







MySQL I presume? Do you care which 2 rows? Why are there two columns with the same name?

– Caius Jard
Nov 21 '18 at 19:21














1 Answer
1






active

oldest

votes


















1















groupby with head



df.groupby('name').head(2)



   x  y  y     name

0  1  2  3  ammazon

1  4  5  6  ammazon

3  9  8  7   google

4  6  5  4   google





share|improve this answer
























  • and that works great. Thank you !

    – Tmiskiewicz
    Nov 21 '18 at 19:05











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1 Answer
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active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









1















groupby with head



df.groupby('name').head(2)



   x  y  y     name

0  1  2  3  ammazon

1  4  5  6  ammazon

3  9  8  7   google

4  6  5  4   google





share|improve this answer
























  • and that works great. Thank you !

    – Tmiskiewicz
    Nov 21 '18 at 19:05
















1















groupby with head



df.groupby('name').head(2)



   x  y  y     name

0  1  2  3  ammazon

1  4  5  6  ammazon

3  9  8  7   google

4  6  5  4   google





share|improve this answer
























  • and that works great. Thank you !

    – Tmiskiewicz
    Nov 21 '18 at 19:05














1












1








1








groupby with head



df.groupby('name').head(2)



   x  y  y     name

0  1  2  3  ammazon

1  4  5  6  ammazon

3  9  8  7   google

4  6  5  4   google





share|improve this answer














groupby with head



df.groupby('name').head(2)



   x  y  y     name

0  1  2  3  ammazon

1  4  5  6  ammazon

3  9  8  7   google

4  6  5  4   google






share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 21 '18 at 18:55









piRSquaredpiRSquared

156k22150295




156k22150295













  • and that works great. Thank you !

    – Tmiskiewicz
    Nov 21 '18 at 19:05



















  • and that works great. Thank you !

    – Tmiskiewicz
    Nov 21 '18 at 19:05

















and that works great. Thank you !

– Tmiskiewicz
Nov 21 '18 at 19:05





and that works great. Thank you !

– Tmiskiewicz
Nov 21 '18 at 19:05




















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