students.show() //打印出20行 +---+-----------+--------------+--------------------+ | id|studentName| phone| email| +---+-----------+--------------+--------------------+ | 1 | Burke| 1 - 300 - 746 - 8446 |ullamcorper.velit...| | 2 | Kamal| 1 - 668 - 571 - 5046 |pede.Suspendisse @ ...| | 3 | Olga| 1 - 956 - 311 - 1686 |Aenean.eget.metus...| | 4 | Belle| 1 - 246 - 894 - 6340 |vitae.aliquet.nec...| | 5 | Trevor| 1 - 300 - 527 - 4967 |dapibus.id @ acturp...| | 6 | Laurel| 1 - 691 - 379 - 9921 |adipiscing @ consec...| | 7 | Sara| 1 - 608 - 140 - 1995 |Donec.nibh @ enimEt...| | 8 | Kaseem| 1 - 881 - 586 - 2689 |cursus.et.magna @ e...| | 9 | Lev| 1 - 916 - 367 - 5608 |Vivamus.nisi @ ipsu...| | 10 | Maya| 1 - 271 - 683 - 2698 |accumsan.convalli...| | 11 | Emi| 1 - 467 - 270 - 1337 | est @ nunc.com| | 12 | Caleb| 1 - 683 - 212 - 0896 |Suspendisse @ Quisq...| | 13 | Florence| 1 - 603 - 575 - 2444 |sit.amet.dapibus @ ...| | 14 | Anika| 1 - 856 - 828 - 7883 |euismod @ ligulaeli...| | 15 | Tarik| 1 - 398 - 171 - 2268 |turpis @ felisorci.com| | 16 | Amena| 1 - 878 - 250 - 3129 |lorem.luctus.ut @ s...| | 17 | Blossom| 1 - 154 - 406 - 9596 |Nunc.commodo.auct...| | 18 | Guy| 1 - 869 - 521 - 3230 |senectus.et.netus...| | 19 | Malachi| 1 - 608 - 637 - 2772 |Proin.mi.Aliquam @ ...| | 20 | Edward| 1 - 711 - 710 - 6552 |lectus @ aliquetlib...| +---+-----------+--------------+--------------------+ only showing top 20 rows students.show( 15 ) +---+-----------+--------------+--------------------+ | id|studentName| phone| email| +---+-----------+--------------+--------------------+ | 1 | Burke| 1 - 300 - 746 - 8446 |ullamcorper.velit...| | 2 | Kamal| 1 - 668 - 571 - 5046 |pede.Suspendisse @ ...| | 3 | Olga| 1 - 956 - 311 - 1686 |Aenean.eget.metus...| | 4 | Belle| 1 - 246 - 894 - 6340 |vitae.aliquet.nec...| | 5 | Trevor| 1 - 300 - 527 - 4967 |dapibus.id @ acturp...| | 6 | Laurel| 1 - 691 - 379 - 9921 |adipiscing @ consec...| | 7 | Sara| 1 - 608 - 140 - 1995 |Donec.nibh @ enimEt...| | 8 | Kaseem| 1 - 881 - 586 - 2689 |cursus.et.magna @ e...| | 9 | Lev| 1 - 916 - 367 - 5608 |Vivamus.nisi @ ipsu...| | 10 | Maya| 1 - 271 - 683 - 2698 |accumsan.convalli...| | 11 | Emi| 1 - 467 - 270 - 1337 | est @ nunc.com| | 12 | Caleb| 1 - 683 - 212 - 0896 |Suspendisse @ Quisq...| | 13 | Florence| 1 - 603 - 575 - 2444 |sit.amet.dapibus @ ...| | 14 | Anika| 1 - 856 - 828 - 7883 |euismod @ ligulaeli...| | 15 | Tarik| 1 - 398 - 171 - 2268 |turpis @ felisorci.com| +---+-----------+--------------+--------------------+ only showing top 15 rows students.show( true ) +---+-----------+--------------+--------------------+ | id|studentName| phone| email| +---+-----------+--------------+--------------------+ | 1 | Burke| 1 - 300 - 746 - 8446 |ullamcorper.velit...| | 2 | Kamal| 1 - 668 - 571 - 5046 |pede.Suspendisse @ ...| | 3 | Olga| 1 - 956 - 311 - 1686 |Aenean.eget.metus...| | 4 | Belle| 1 - 246 - 894 - 6340 |vitae.aliquet.nec...| | 5 | Trevor| 1 - 300 - 527 - 4967 |dapibus.id @ acturp...| | 6 | Laurel| 1 - 691 - 379 - 9921 |adipiscing @ consec...| | 7 | Sara| 1 - 608 - 140 - 1995 |Donec.nibh @ enimEt...| | 8 | Kaseem| 1 - 881 - 586 - 2689 |cursus.et.magna @ e...| | 9 | Lev| 1 - 916 - 367 - 5608 |Vivamus.nisi @ ipsu...| | 10 | Maya| 1 - 271 - 683 - 2698 |accumsan.convalli...| | 11 | Emi| 1 - 467 - 270 - 1337 | est @ nunc.com| | 12 | Caleb| 1 - 683 - 212 - 0896 |Suspendisse @ Quisq...| | 13 | Florence| 1 - 603 - 575 - 2444 |sit.amet.dapibus @ ...| | 14 | Anika| 1 - 856 - 828 - 7883 |euismod @ ligulaeli...| | 15 | Tarik| 1 - 398 - 171 - 2268 |turpis @ felisorci.com| | 16 | Amena| 1 - 878 - 250 - 3129 |lorem.luctus.ut @ s...| | 17 | Blossom| 1 - 154 - 406 - 9596 |Nunc.commodo.auct...| | 18 | Guy| 1 - 869 - 521 - 3230 |senectus.et.netus...| | 19 | Malachi| 1 - 608 - 637 - 2772 |Proin.mi.Aliquam @ ...| | 20 | Edward| 1 - 711 - 710 - 6552 |lectus @ aliquetlib...| +---+-----------+--------------+--------------------+ only showing top 20 rows students.show( false ) +---+-----------+--------------+-----------------------------------------+ |id |studentName|phone |email | +---+-----------+--------------+-----------------------------------------+ | 1 |Burke | 1 - 300 - 746 - 8446 |ullamcorper.velit.in @ ametnullaDonec.co.uk| | 2 |Kamal | 1 - 668 - 571 - 5046 |pede.Suspendisse @ interdumenim.edu | | 3 |Olga | 1 - 956 - 311 - 1686 |Aenean.eget.metus @ dictumcursusNunc.edu | | 4 |Belle | 1 - 246 - 894 - 6340 |vitae.aliquet.nec @ neque.co.uk | | 5 |Trevor | 1 - 300 - 527 - 4967 |dapibus.id @ acturpisegestas.net | | 6 |Laurel | 1 - 691 - 379 - 9921 |adipiscing @ consectetueripsum.edu | | 7 |Sara | 1 - 608 - 140 - 1995 |Donec.nibh @ enimEtiamimperdiet.edu | | 8 |Kaseem | 1 - 881 - 586 - 2689 |cursus.et.magna @ euismod.org | | 9 |Lev | 1 - 916 - 367 - 5608 |Vivamus.nisi @ ipsumdolor.com | | 10 |Maya | 1 - 271 - 683 - 2698 |accumsan.convallis @ ornarelectusjusto.edu | | 11 |Emi | 1 - 467 - 270 - 1337 |est @ nunc.com | | 12 |Caleb | 1 - 683 - 212 - 0896 |Suspendisse @ Quisque.edu | | 13 |Florence | 1 - 603 - 575 - 2444 |sit.amet.dapibus @ lacusAliquamrutrum.ca | | 14 |Anika | 1 - 856 - 828 - 7883 |euismod @ ligulaelit.co.uk | | 15 |Tarik | 1 - 398 - 171 - 2268 |turpis @ felisorci.com | | 16 |Amena | 1 - 878 - 250 - 3129 |lorem.luctus.ut @ scelerisque.com | | 17 |Blossom | 1 - 154 - 406 - 9596 |Nunc.commodo.auctor @ eratSed.co.uk | | 18 |Guy | 1 - 869 - 521 - 3230 |senectus.et.netus @ lectusrutrum.com | | 19 |Malachi | 1 - 608 - 637 - 2772 |Proin.mi.Aliquam @ estarcu.net | | 20 |Edward | 1 - 711 - 710 - 6552 |lectus @ aliquetlibero.co.uk | +---+-----------+--------------+-----------------------------------------+ only showing top 20 rows students.show( 10 , false ) +---+-----------+--------------+-----------------------------------------+ |id |studentName|phone |email | +---+-----------+--------------+-----------------------------------------+ | 1 |Burke | 1 - 300 - 746 - 8446 |ullamcorper.velit.in @ ametnullaDonec.co.uk| | 2 |Kamal | 1 - 668 - 571 - 5046 |pede.Suspendisse @ interdumenim.edu | | 3 |Olga | 1 - 956 - 311 - 1686 |Aenean.eget.metus @ dictumcursusNunc.edu | | 4 |Belle | 1 - 246 - 894 - 6340 |vitae.aliquet.nec @ neque.co.uk | | 5 |Trevor | 1 - 300 - 527 - 4967 |dapibus.id @ acturpisegestas.net | | 6 |Laurel | 1 - 691 - 379 - 9921 |adipiscing @ consectetueripsum.edu | | 7 |Sara | 1 - 608 - 140 - 1995 |Donec.nibh @ enimEtiamimperdiet.edu | | 8 |Kaseem | 1 - 881 - 586 - 2689 |cursus.et.magna @ euismod.org | | 9 |Lev | 1 - 916 - 367 - 5608 |Vivamus.nisi @ ipsumdolor.com | | 10 |Maya | 1 - 271 - 683 - 2698 |accumsan.convallis @ ornarelectusjusto.edu | +---+-----------+--------------+-----------------------------------------+ only showing top 10 rows |