declare v_first_name varchar2(1000):='Sunny'; t_no     sys.odcinumberlist; t_fname  sys.odcivarchar2list; t_lname  sys.odcivarchar2...

 declare v_first_name varchar2(1000):='Sunny';         cursor emp_c           is             select  replace(first_name,'Sundar...

 Soon will be good article for how to start and learn Apex

 https://m.youtube.com/watch?v=Q5JM8nWWfnI&list=PLc9GCtRxQqZgvbfREKjy1Vi9X7Rle0Nhs&index=1&t=9s

Case sensetive login password   ALTER SYSTEM SET SEC_CASE_SENSITIVE_LOGON = FALSE; Yasser

  https://www.websiteplanet.com/blog/html-guide-beginners/

Oracle Select all column and one in the begining example  select i.BONUS_ITEM_FLAG,i.*  from SAL_INVOICES_ITEMS i ;