SQLITE_ERROR SQL错误或缺少数据库（“（“附近：语法错误）

Question

  

[SQLITE_ERROR] SQL错误或缺少数据库（“（“附近：语法错误）

try {
    String sql = "SELECT MAX (right(id_kasir,3)) AS no FROM tbl_kasir";
    st = connection.createStatement();
    rs = st.executeQuery(sql);
    while (rs.next()) {
        if (rs.first() == false) {
            txtidkasir.setText("KS001");
        } else {
            rs.last();
            int auto_id = rs.getInt(1) + 1;
            String no = String.valueOf(auto_id);
            int noLong = no.length();
            for (int a = 0; a < 3 - noLong; a++) {
                no = "0" + no;
            }
            txtidkasir.setText("KS" + no);
        }
    }
} catch (Exception e) {
    System.out.println("Error" + e.getMessage());
}

Answer 1

您失踪了；在末尾。也许需要指定数据库。

  

选择MAX（right（id_kasir，3））AS no FROM tbl_kasir;

尝试：

  

SELECT MAX（right（id_kasir，3））AS no FROM {DBName} .tbl_kasir;