如何在下面的特定时间之后返回总作业数的查询是我的sqllite表我现在正在使用Java获取当前时间如何查询哪个返回的总数在特定时间之后工作?select查询在特定时间之后返回的作业数
private static final String TABLE_COMPLETED_JOBS = "jobs";
String CREATE_COMPLETED_TABLE = "CREATE TABLE " + TABLE_COMPLETED_JOBS
+ "(" + KEY_COMPID + " INTEGER PRIMARY KEY," + KEY_TIMEJOB
+ " TEXT," + KEY_PICK + " TEXT," + KEY_DEST + " TEXT,"
+ KEY_FARE + " TEXT,"
+ KEY_TIMEWEEK + " DateTime" + ")";
String selectQuery = "SELECT * FROM " + TABLE_COMPLETED_JOBS + " ORDER BY
"+KEY_TIMEWEEK+" ;
String mydate =
java.text.DateFormat.getDateTimeInstance().format(Calendar.getInstance().getTime());
select count(*)或select查询会返回一个结果集,返回的行数count cud给你count –
给我举例查询plz – user3416078