access表操作?
#选择所有数据
SELECT *
FROM table_name;
#选择不同的数据
SELECT DISTINCT column_name,column_name
FROM table_name;
#过滤
SELECT column_name,column_name
FROM table_name
WHERE column_name operator value;
#排序
SELECT column_name,column_name
FROM table_name
ORDER BY column_name,column_name ASC|DESC;
#插入数据
INSERT INTO table_name
VALUES (value1,value2,value3,...);
INSERT INTO table_name (column1,column2,column3,...)
VALUES (value1,value2,value3,...);
#更新
UPDATE table_name
SET column1=value1,column2=value2,...
WHERE some_column=some_value;
#删除
DELETE FROM table_name
WHERE some_column=some_value;
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