SQL指令 2 SELECT 2 DISTINCT 3 WHERE 4 AND OR 5 IN 5 BETWEEN 6 LIKE 7 ORDER BY 8 函数 10 COUNT 11 GROUP BY 12 HAVING 13 ALIAS 13 表格链接 15 外部链接 16 CONCATENATE 17 SUBSTRING 18 TRIM 19 表格处理 21 CREATE TABLE 21 CONSTRAINT 22 NOT NULL 22 UNIQUE 22 CHECK 23 主键 2
SQL 指令 SELECT DISTINCT WHERE AND OR IN BETWEEN LIKE ORDER BY 函数 COUNT GROUP BY HAVING ALIAS 表格链接 外部链接 CONCATENATE SUBSTRING TRIM 表格处理 CREATE TABLE CONSTRAINT NOT NULL UNIQUE CHECK 主键 外来键 CREATE VIEW CREATE INDEX ALTER TABLE DROP TABLE TRUNCATE TABLE
