基本语句增删改查

一、更新

update xxxx SET xxxx = ‘xxxx’,xxxx = ?  where xxxx = xxxx / ?;

二、删除

delete from xxxx where xxxx = xxxx / ? ;

三、插入

insert into xxxx (xxxx,xxx,….) values(xxxx,xxxx,?,?,?,?);

四、查找

select * from xxxx ;

FMDB执行语句

更新语句: [database executeUpdate:sqlStr values: array];

查询语句: [database executeQuery:sqlStr values: array];

结果集合: FMResultSet *s = [database executeQuery:sqlStr values: array];

while ([s next]){

    NSString *str = [s stringForColumn:@”xxxx”];

    Int  i = [s intForColumnIndex:5];

}