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27 lines
1.2 KiB
SQL
27 lines
1.2 KiB
SQL
create table department (
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dept_no char(3) not null,
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dept_name varchar(20) not null,
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constraint dept_key primary key (dept_no)
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);
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create table employee (
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emp_no smallint not null,
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last_name varchar(20) not null,
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dept_no char(3) not null constraint ref_key references department(dept_no),
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constraint emp_key primary key (emp_no)
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);
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commit;
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insert into department( dept_no, dept_name) values (1, 'd1');
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insert into department( dept_no, dept_name) values (2, 'd2');
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insert into department( dept_no, dept_name) values (3, 'd3');
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insert into employee( emp_no, last_name, dept_no) values (1, 'e1', 1);
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insert into employee( emp_no, last_name, dept_no) values (2, 'e2', 2);
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insert into employee( emp_no, last_name, dept_no) values (3, 'e3', 3);
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insert into employee( emp_no, last_name, dept_no) values (4, 'e4', 1);
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insert into employee( emp_no, last_name, dept_no) values (5, 'e5', 1);
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insert into employee( emp_no, last_name, dept_no) values (6, 'e6', 1);
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insert into employee( emp_no, last_name, dept_no) values (7, 'e7', 2);
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insert into employee( emp_no, last_name, dept_no) values (8, 'e8', 3);
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insert into employee( emp_no, last_name, dept_no) values (9, 'e9', 3);
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commit;
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