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tugas

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Apr 22nd, 2018
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  1. SELECT siswa.idsiswa, siswa.nama_siswa, mata_pelajaran.nama_mp, guru.nama_guru, nilai.nilai FROM siswa, mata_pelajaran, guru, nilai WHERE siswa.idsiswa=nilai.idsiswa;
  2.  
  3.  
  4. DELIMITER |
  5.  
  6. CREATE PROCEDURE Getdata()
  7. BEGIN
  8. SELECT siswa.idsiswa, siswa.nama_siswa, mata_pelajaran.nama_mp, guru.nama_guru, nilai.nilai FROM siswa, mata_pelajaran, guru, nilai WHERE siswa.idsiswa=nilai.idsiswa;
  9. END;
  10.  
  11. START TRANSACTION
  12. UPDATE siswa SET alamat='' WHERE idsiswa='';
  13. COMMIT;
  14.  
  15. CREATE TABLE temporary(
  16. idsiswa VARCHAR (20) NOT NULL,
  17. nama VARCHAR (50) NOT NULL,
  18. waktu VARCHAR(100) NOT NULL,
  19. PRIMARY KEY (idsiswa)
  20. );
  21.  
  22. DELIMITER |
  23.  
  24. CREATE TRIGGER hapus_data AFTER DELETE
  25. ON siswa FOR EACH ROW
  26. BEGIN
  27. INSERT INTO temporary SET
  28. idsiswa=old.idsiswa, nama=nama_siswa, waktu=now();
  29. END
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