用SQL命令插入一个记录 使用sql命令插入记录

sql\u8bed\u53e5\u600e\u4e48\u6dfb\u52a0\u4e00\u6761\u8bb0\u5f55\uff1f

sql\u8bed\u53e5\u4e2d\uff0c\u6dfb\u52a0\u8bb0\u5f55\u7684\u8bed\u6cd5\u4e3a\uff1ainsert into \u8868\u540d \uff08col1\uff0ccol2....coln\uff09values(value1,value2.....valuen)\uff1b
\u5176\u4e2d\uff0c\u5982\u679c\u4f60\u63d2\u5165\u7684\u6bcf\u4e00\u5217\u90fd\u662f\u987a\u5e8f\u63d2\u5165\uff0c\u65e0\u4e00\u7f3a\u6f0f\u7684\u8bdd\uff0c\uff08col1\uff0ccol2...coln\uff09\u53ef\u4ee5\u7701\u7565\u3002
\u4e5f\u5c31\u662f\u4e0a\u5f0f\u4e5f\u53ef\u4ee5\u7b80\u5316\u4e3a\uff1ainsert into \u8868\u540d values(value1,value2.....valuen)\uff1b
\u770b\u4e86\u4f60\u5199\u7684sql\u4ee3\u7801\uff0c\u95ee\u9898\u51fa\u5728insert into \u7684\u6574\u4f53\u8bed\u53e5\u51fa\u73b0\u5728\u4e86\u4e0d\u8be5\u51fa\u73b0\u7684\u5730\u65b9\uff0c\u53ea\u9700\u505a\u4e00\u70b9\u5c0f\u6539\u52a8\u5373\u53ef\u89e3\u51b3\uff0c\u5982\u4e0b\u56fe\uff1a

\u89e3\u6790\uff1ainsert into\u8bed\u53e5\u9700\u8981\u5728user\u8868\u5df2\u7ecf\u5b58\u5728\u7684\u60c5\u51b5\u4e0b\u624d\u53ef\u4ee5\u4f7f\u7528\u3002\u800c\u4f60\u539f\u6765\u7684\u8bed\u53e5\u4e2d\uff0c\u5c06\u4e0a\u56fe2\u4e2d\u7684\u8bed\u53e5\u63d2\u5165\u5230\u4e86create table user\u7684\u8bed\u53e5\u4e2d\uff0c\u81f4\u4f7fcreate table user \u8bed\u53e5\u672a\u80fd\u6210\u529f\u6267\u884c\uff0c\u6240\u4ee5\u624d\u4f1a\u62a5\u9519\u3002
\u800c\u5c06\u201cINSERT INTO user(uid,tel) values('\u7532','3354986');\u201d\u6574\u6761\u8bed\u53e5\u76f4\u63a5\u62ff\u51fa\u6765\u653e\u5728\u201cENGINE=InnoDB DEFAULT CHARSET=gbk;\u201d\u540e\u9762\u4e4b\u540e\uff0c\u6574\u4e2asql\u5c31\u53ef\u4ee5\u987a\u5229\u6267\u884c\u4e86\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u5f53mysql\u5927\u6279\u91cf\u63d2\u5165\u6570\u636e\u7684\u65f6\u5019\u5c31\u4f1a\u53d8\u7684\u975e\u5e38\u6162, mysql\u63d0\u9ad8insert into \u63d2\u5165\u901f\u5ea6\u7684\u65b9\u6cd5\u6709\u4e09\u79cd:
1\u3001\u7b2c\u4e00\u79cd\u63d2\u5165\u63d0\u901f\u65b9\u6cd5:
\u5982\u679c\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u5df2\u7ecf\u5f88\u591a(\u51e0\u767e\u4e07\u6761), \u90a3\u4e48\u53ef\u4ee5 \u52a0\u5927mysql\u914d\u7f6e\u4e2d\u7684 bulk_insert_buffer_size\uff0c\u8fd9\u4e2a\u53c2\u6570\u9ed8\u8ba4\u4e3a8M
\u4e3e\u4f8b\uff1abulk_insert_buffer_size=100M\uff1b
2\u3001\u7b2c\u4e8c\u79cdmysql\u63d2\u5165\u63d0\u901f\u65b9\u6cd5:
\u6539\u5199\u6240\u6709 insert into \u8bed\u53e5\u4e3a insert delayed into
\u8fd9\u4e2ainsert delayed\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\uff1a\u7acb\u5373\u8fd4\u56de\u7ed3\u679c\uff0c\u540e\u53f0\u8fdb\u884c\u5904\u7406\u63d2\u5165\u3002
3\u3001\u7b2c\u4e09\u4e2a\u65b9\u6cd5: \u4e00\u6b21\u63d2\u5165\u591a\u6761\u6570\u636e:
insert\u4e2d\u63d2\u5165\u591a\u6761\u6570\u636e\uff0c\u4e3e\u4f8b:
insert into table values('11','11'),('22','22'),('33','33')...;

\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a
1.InSert Into (\u5217\u540d)
Select
From
\u5982\uff1aINSERT INTO TongXunLu (\u59d3\u540d,\u5730\u5740,\u7535\u5b50\u90ae\u4ef6)
SELECT SName,SAddress,SEmail
FROM Students \u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u5148\u5efa\u597d\u65b0\u8868\uff0e

2.Select (\u5217\u540d)
Into
From
\u5982\uff1aSELECT Students.SName,Students.SAddress,Students.SEmail
INTO TongXunLu
FROM Students \u8fd9\u79cd\u65b9\u6cd5SQL\u81ea\u52a8\u5efa\u8868

3.InSert Into (\u5217\u540d)
Select Union
Select Union
\u2026\u2026
\u5982\uff1aINSERT STUDENTS (SName,SGrade,SSex)
SELECT '\u5f20\u53ef',7,1 UNION
SELECT '\u674e\u626c',4,0 UNION
SELECT '\u6768\u6653',2,0 UNION
SELECT '\u6c64\u7f8e',3,0 UNION
SELECT '\u82cf\u4e09\u4e1c',7,1 UNION
SELECT '\u738b\u7acb\u5ca9',3,1 UNION
SELECT '\u5f20\u4f1f',7,1 UNION
SELECT '\u9648\u521a',4,1 UNION
SELECT '\u738b\u5a1f\u5a1f',7,0

1、在数据库中建立一张test表,可以看到test表中有id,name,second三个字段,id设置为自动递增,

2、输入“insert into test(name,second) values(null,null)”sql语句,点击运行,如下图所示:

3、运行之后,可以看到test表插入了一条空记录,如下图所示:

4、也可以插入一条记录某个字段为空值,输入“insert into test(name,second) values(null,88)”sql语句,点击运行,如下图所示:

5、运行之后,可以看到插入了一条记录,name值为空,如下图所示:

6、也可以通过“insert into test(name) values('张三')”语句,插入一条记录,除开name字段,其它字段值为空,如下图所示:



sql 命令插入新记录使用 insert into 字句。


一、普通用法,指定值插入:

INSERT INTO 表名称 VALUES (值1, 值2,....)

INSERT INTO 表名称 (列1, 列2,...) VALUES (值1, 值2,....)

示例如下:

insert into table values ("1","a","b")

二、读取表中值插入另一个表中,或新建一个表:

 1、INSERT INTO SELECT语句

      语句形式为:Insert into Table2(field1,field2,...) select value1,value2,... from Table1

      要求目标表Table2必须存在,由于目标表Table2已经存在,所以我们除了插入源表Table1的字段外,还可以插入常量。示例如下:

insert into table2 select * from table1


  2、SELECT INTO FROM语句

      语句形式为:SELECT vale1, value2 into Table2 from Table1

      要求目标表Table2不存在,因为在插入时会自动创建表Table2,并将Table1中指定字段数据复制到Table2中。示例如下:

 SELECT a,b into Table2 from Table1


很简单的:
INSERT INTO [表]
(
[字段一]
,[字段二]
)
VALUES
(
值一
,值二
)

insert into 表名(列1,列2,……)values(值1,值2,……);

insert into tb (xxx) values (xxx);
这是刷吗?

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