sqlite3可直接运行的SQl语句

int ret = sqlite3_open("628demo.db",&datb1);

打开628demo.db数据库,datb1为句柄

char str3[1024] = {"create table "};
char * str11 = "Listqwe";
strcat(str3,str11);
char *str2 = "(id int primary key,name text,age text )";
strcat(str3,str2);
char sql[1024] = {0};
sprintf(sql,"drop table if exists %s",str11);
sqlite3_exec(datb1,sql,NULL,NULL,&errmsg);  //在创建表时,如果表存在,则删除

ret = sqlite3_exec(datb1,str3,NULL,NULL,&errmsg);

创建表 create table Listqwe (id int primary key,name text,age text )



ret = sqlite3_get_table(datb1,"select * from Listqwe",&dbresult,&nrow,&ncolumn,&errmsg);

查看页表中数据


 ret = sqlite3_exec(datb,"alter table  wwwww rename to ererer",NULL,NULL,&errmsg); 

修改表名



ret = sqlite3_get_table(datb,"select name from sqlite_master where type ='table'order by name ",&dbresult,&nrow,&ncolumn,&errmsg);

查看当前数据库下有那几个表


sqlite3_exec(datb,"update demoF set name = 'lijilei' where name = 'li'",NULL,NULL,&errmsg);

修改记录


ret = sqlite3_get_table(datb1,"select * from List left join List1 on List.id = List1.id ",&dbresult,&nrow,&ncolumn,&errmsg);

多表查询


"insert into List values('1','zhang','12')";

增加记录

sqlite3_exec(datb,"delete from demoF where id = 3",NULL,NULL,&errmsg);

删除记录



ret = sqlite3_get_table(datb,"select * from demoF order by id desc",&dbresult,&nrow,&ncolumn,&errmsg);

按id倒序


ret = sqlite3_exec(datb,"drop table if exists demoF",NULL,NULL,&errmsg);

删除表


ret = sqlite3_close(datb);

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转载自blog.csdn.net/qq_37059136/article/details/80883947