title: how to match string value with database column?
body: <p>i have one table "TABLE_SUBJECT" And i pass "subject name" to DBHelper.java.<br>
  Then i need to compare subject name with Table Column "COLUMN_SUB_NAME" and return id of<br>
  That subject. i don't understand how to do this.please anybody provide me query<br>
  Which compare name and return column_id.<br>
  Any help s appreciated.<br>
  Thanks in advance.  </p>