5. --SQLite 专属的删除

发布时间：2020-12-12 19:38:22 所属栏目：百科来源：网络整理

导读：// 条件删除 -( void )deleteStudentUnderAge:( NSInteger )age { NSString *deleteSQL = [ NSString stringWithFormat : @"DELETE FROM 'student' WHERE age %ld" ,age]; int result = sqlite3_exec ( db ,deleteSQL. UTF8String , NULL , NULL ); if ( SQL

//条件删除

-(void)deleteStudentUnderAge:(NSInteger)age

{

NSString *deleteSQL = [NSString stringWithFormat:@"DELETE FROM 'student' WHERE age < %ld",age];

int result = sqlite3_exec(db,deleteSQL.UTF8String,NULL,NULL);

if (SQLITE_OK == result) {

NSLog(@"已经删除年龄在%ld下的",age);

}

else

{

NSLog(@"删除失败");

}

（编辑：李大同）

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