10 lines
493 B
SQL
10 lines
493 B
SQL
CREATE TABLE CUSTOMER (id number, name varchar(20), surname varchar(20), age number);
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INSERT INTO CUSTOMER VALUES (1, 'John', 'Doe', 25);
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INSERT INTO CUSTOMER VALUES (2, 'Jill', 'Johnson', 18);
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INSERT INTO CUSTOMER VALUES (3, 'Jake', 'Peralta', 29);
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INSERT INTO CUSTOMER VALUES (4, 'Jack', 'Ryan', 35);
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UPDATE CUSTOMER SET AGE = 19 WHERE name = 'Jake';
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SELECT * FROM CUSTOMER;
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DELETE FROM CUSTOMER WHERE name='John';
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SELECT * FROM CUSTOMER ORDER BY NAME;
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SELECT * FROM CUSTOMER WHERE AGE > 18; |