consider a table which contain 4 columns,ename,eno,sal and
deptno, from this table i want to know ename who having
maximum salary in deptno 10 and 20.

Answer Posted / rohan

select empno from emp where (sal,deptno) in ( select max
(sal),deptno from emp where deptno in (10,20) group by
deptno)

Is This Answer Correct ?    13 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the main features of cursor?

631


What are the indexing methods?

579


how can I make a script that can be bi-language (supports english, german)? : Sql dba

540


Explain normalization and what are the advantages of it?

518


How to select random rows from a table?

527






How to call a javascript function from pl sql?

567


How to fix oracle error ora-00942: table or view does not exist

574


How can we store rows in PL/SQL using array?

668


what happens if null values are involved in expressions? : Sql dba

571


How do you sort in sql?

608


What information is needed to connect sql*plus an oracle server?

592


What is sql scripting?

563


Enlist some predefined exceptions?

588


Which command is used to delete a package?

581


create or replace procedure search_matter(empno varchar2) as sql_stmt varchar2(200); stmt varchar2(200); v_table_name varchar2(200); val_pres number; inp_value varchar2(200); type obj_typ is table of cols.column_name%type index by binary_integer; type all_col is table of varchar2(100) index by binary_integer; typ_obj_typ obj_typ; typ_all_col all_col; begin select object_name bulk collect into typ_obj_typ from user_tables,user_objects where table_name = object_name AND object_type = 'TABLE'; select empno into inp_value from dual; dbms_output.put_line('inp value : '||inp_value); for i in typ_obj_typ.first..typ_obj_typ.last loop v_table_name := NULL; v_table_name := typ_obj_typ(i); dbms_output.put_line(i||':'||typ_obj_typ(i)); dbms_output.put_line('....................'); sql_stmt := 'select column_name from cols where table_name = :1 and data_type in (''CHAR'', ''VARCHAR2'', ''NCHAR'', ''NVARCHAR2'',''NUMBER'')'; EXECUTE IMMEDIATE sql_stmt bulk collect into typ_all_col using typ_obj_typ(i); for inside in typ_all_col.first..typ_all_col.last loop dbms_output.put_line('sql stmt: '||sql_stmt); dbms_output.put_line('column name: '||typ_all_col(inside)||'table name: '||typ_obj_typ(i)); stmt := 'select count(*) from ||typ_obj_typ(i)||'; EXECUTE_IMMEDIATE stmt into val_pres ; if val_pres = 1 then dbms_output.put_line('value present col name: '||typ_all_col(inside)||'table name :'||typ_obj_typ(i)); end if; end loop; dbms_output.put_line('....................'); end loop; exception when others then dbms_output.put_line('sql code '||sqlcode||'Table name: '||v_table_name); dbms_output.put_line('sql message '||sqlerrm); end; Compile-time I am getting below error, Plz help to resolve. LINE/COL ERROR -------- ----------------------------------------------------------------- 47/23 PLS-00103: Encountered the symbol "STMT" when expecting one of the following: := . ( @ % ;

607