SQL将一个表中的数据插入到另一个表中的方法

CREATE table MyStudentInfo
(
  Id int not null primary key,
  Name varchar(16),
  Age int,
  Gender varchar(2),
  Phone varchar(16),
  Address varchar(50),
  GradeId int
)

INSERT INTO MyStudentInfo
SELECT 1,'张三',20,'1','15801258912','上海',1 UNION
SELECT 2,'李四',22,'1','12345678901','北京',1 UNioN
SELECT 3,'王五',16,'1','13976891234','天津',2 UNION
SELECT 4,'赵六',19,'1','18676891234','重庆',3 UNION
SELECT 5,'小红',21,'2','17776891234','广州',4 UNION
SELECT 6,'小王',25,'2','13176891234','深圳',2 UNION
SELECT 7,'小刘',18,'2','13374591234','南京',1

SELECT * INTO studentinfo_test1 FROM MyStudentInfo

SELECT Id,Name INTO MytestInfo FROM myStudentInfo

SELECT Id,Name，Gender INTO MytestInfo FROM myStudentInfo WHERE Gender='1'

SELECT s.Id,s.Name,s.GradeId,g.GradeName INTO NewTable
 FROM MyStudentInfo s INNER JOIN GradeInfo g
 on s.GradeId=g.Id

INSERT INTO studentinfo_test2
SELECT * FROM MyStudentInfo