发表日期: 2022-04-15 16:56:22 浏览次数:156
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HAVINGSELECT column_name, aggregate_function(column_name)
FROM table_name
WHERE column_name operator value
GROUP BY column_name
HAVING aggregate_function(column_name) operator valueINSELECT column_name(s)
FROM table_name
WHERE column_name
IN (value1,value2,..)INSERT INTOINSERT INTO table_name
VALUES (value1, value2, value3,....)
or
INSERT INTO table_name
(column1, column2, column3,...)
VALUES (value1, value2, value3,....)
INNER JOINSELECT column_name(s)
FROM table_name1
INNER JOIN table_name2
ON table_name1.column_name=table_name2.column_nameLEFT JOINSELECT column_name(s)
FROM table_name1
LEFT JOIN table_name2
ON table_name1.column_name=table_name2.column_nameRIGHT JOINSELECT column_name(s)
FROM table_name1
RIGHT JOIN table_name2
ON table_name1.column_name=table_name2.column_nameFULL JOINSELECT column_name(s)
FROM table_name1
FULL JOIN table_name2
ON table_name1.column_name=table_name2.column_nameLIKESELECT column_name(s)
FROM table_name
WHERE column_name LIKE patternORDER BYSELECT column_name(s)
FROM table_name
ORDER BY column_name [ASC|DESC]SELECTSELECT column_name(s)
FROM table_nameSELECT *SELECT *
FROM table_nameSELECT DISTINCTSELECT DISTINCT column_name(s)
FROM table_nameSELECT INTOSELECT *
INTO new_table_name [IN externaldatabase]
FROM old_table_name
or
SELECT column_name(s)
INTO new_table_name [IN externaldatabase]
FROM old_table_name
SELECT TOPSELECT TOP number|percent column_name(s)
FROM table_nameTRUNCATE TABLETRUNCATE TABLE table_nameUNIONSELECT column_name(s) FROM table_name1
UNION
SELECT column_name(s) FROM table_name2UNION ALLSELECT column_name(s) FROM table_name1
UNION ALL
SELECT column_name(s) FROM table_name2UPDATEUPDATE table_name
SET column1=value, column2=value,...
WHERE some_column=some_valueWHERESELECT column_name(s)
FROM table_name
WHERE column_name operator value