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create table pelanggan ( | |
IdPel varchar2(5) not null primary key, | |
NamaPel varchar2(50) not null, | |
Alamat varchar2(100) not null, | |
JenKel varchar2(1) not null, | |
Umur varchar(3), | |
NoHp varchar(15) | |
); | |
select * from pelanggan; |
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-- kueri hanya bisa dipakai di PostgreSQL (versi 10 keatas) | |
-- cara jalaninnya blok dulu kuerinya baru tekan f5 | |
-- contoh: blok yg ini => select * from obat; <= lalu tekan f5 | |
-- nb: sql itu gak case-sensitive (maksudnya huruf besar kecil gak papa). | |
-- tipe data 'serial' sama fungsinya seperti 'AUTO_INCREMENT' di MySQL, bedanya serial itu ada di Postgres. | |
-- kalau di Microsoft SQL Server, tipe datanya 'Identity'. Di Oracle mboh. | |
-- jadi, setiap ada kolom yang di input, kolom dengan tipe data 'serial' akan otomatis bertambah nilainya. |
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