Suppose I have created a nested table as below create or replace TYPE "TEXT" IS TABLE OF clob; CREATE TABLE NESTED_TABLE (ID NUMBER(38,0), NAME VARCHAR2(100 BYTE), TAB1 text, TAB2 text, TAB3 text ) NESTED TABLE " TAB1" STORE AS " TAB1" NESTED TABLE " TAB2" STORE AS " TAB2" NESTED TABLE " TAB3" STORE AS " TAB3" Select * from NESTED_TABLE ; ID NAME TAB1 TAB2 TAB3 1 neha SCOTT.text(30,31,32,33) SCOTT.text(1,2,3,4) SCOTT.text(130,318,65,336) 2 sapna SCOTT.text(34,35,36,37) SCOTT.text(234,241,4124,1) SCOTT.text(330,310,56,325) 3 ravi SCOTT.text(44,40,39,38) SCOTT.text(430,231,214,23) SCOTT.text(430,318,3,325) 4 mushkaan SCOTT.text(43,22,12,34) SCOTT.text(530,631,732,93) SCOTT.text(350,371,2,43) I want to execute following statements; Select TAB1(4) from NESTED_TABLE where id=1; output=33 Delete TAB2(3) from NESTED_TABLE where id=2; Update NESTED_TABLE set tab3(4)=’new_value’ where tab3(4)=43 and id=4; How can I customize this task