Piece from everthing

--gsub(r,s) gsub(/0/,23) string icersinde axtarilan 0 deyerini 23 ile evez edir Example1:                  ls -l | awk 'gsub(/0/,23) {print $5} --index(s,t)  index("Arrays","ys") string-in icersinde "ys" axtarilir necenci index-de oldugu qaytarilir Example2:                  ls -l | awk 'BEGIN {print index("Arrays","ys")}'

begin for i in (select * from tabs) loop   execute immediate ('drop table ' || i.table_name || ' cascade constraints'); end loop; end;