เปลี่ยนแปลงโต๊ะเพิ่มคอลัมน์หมายเลข

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เปลี่ยนแปลงโต๊ะเพิ่มคอลัมน์

ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;
7
0

เปลี่ยนแปลงโต๊ะเพิ่มคอลัมน์

ALTER TABLE table_name 
ADD column_name datatype;

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