示例表

• 创建行存表students_info并插入数据。

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  CREATE TABLE students_info(name varchar(20),subject varchar(100),score bigint) distribute by hash(name); INSERT INTO students_info VALUES('lily','math',95); INSERT INTO students_info VALUES('lily','physics',80); INSERT INTO students_info VALUES('lily','literature',92); INSERT INTO students_info VALUES('matu','math',75); INSERT INTO students_info VALUES('matu','physics',90); INSERT INTO students_info VALUES('matu','literature',85); INSERT INTO students_info VALUES('jack','math',90); INSERT INTO students_info VALUES('jack','physics',95); INSERT INTO students_info VALUES('jack','literature',95);

  查看表students_info信息。

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  SELECT * FROM students_info; name | subject | score ------+------------+------- matu | math | 75 matu | physics | 90 matu | literature | 85 lily | math | 95 lily | physics | 80 lily | literature | 92 jack | math | 90 jack | physics | 95 jack | literature | 95

• 创建列存表students_info1并插入数据。

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  CREATE TABLE students_info1(name varchar(20), math bigint, physics bigint, literature bigint) with (orientation = column) distribute by hash(name); INSERT INTO students_info1 VALUES('lily',95,80,92); INSERT INTO students_info1 VALUES('matu',75,90,85); INSERT INTO students_info1 VALUES('jack',90,95,95);

  查看表students_info1信息。

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  SELECT * FROM students_info1; name | math | physics | literature ------+------+---------+------------ matu | 75 | 90 | 85 lily | 95 | 80 | 92 jack | 90 | 95 | 95 (3 rows)