Hierarchy Maintain ( Single cotation and Double cotation )

double cotation then single cotation .If also need cotation in single cotation then use double votation and single cotation .
Also it wil be reverse situation.

Exam 1 :
onclick="doEditData('recordId<%=k %>');"


Exam 2:
 String  qty = "select recognition_status,recognition_date,permitted_date,recognition_expire_date from institutes_recognition where institute_id='"+institute_id+"' and EDUCATION_LEVEL_ID='"+edulevlId+"'";