改变列值在sql服务器

代码示例

17
0

N

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;
10
0

N

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);
0
0

N

Changes the data type of a table’s column.
Example: In the ‘users’ table, make the column ‘incept_date’ into a
‘datetime’ type.
ALTER TABLE users
ALTER COLUMN incept_date datetime;

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