Interested to Buy Any Domain ? << Click Here >> for more details...
If we update a complex view, is base table will get update ?
- 2 Answers
- 5517 Views
- Ardee Technologies, HCL, I also Faced
- E-Mail Answers
Answer Posted / zeeshan
Yes one can update complex view where base table data will get affect but few constraint are there like view does not have group by ,order by , or N level function like Rank, dense Rank and Rownumer partition by etc
| Is This Answer Correct ? | 5 Yes | 1 No |
Post New Answer View All Answers
what is a relationship and what are they? : Sql dba
What do you mean by dbms? What are its different types?
what is the difference between undefined value and null value? : Sql dba
how would you write a query to select all teams that won either 2, 4, 6 or 8 games? : Sql dba
What is difference between inner join and self join?
Mention what does plvtab enables you to do when you showthe contents of pl/sql tables?
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: := . ( @ % ;
What are sql functions? Describe the different types of sql functions?
What operating systems are supported by oracle sql developer?
Is progress software supports to ( pl/sql )?
What is mutating table error?
What is a join query?
How to pronounce postgresql?
What is the command used to fetch the first 5 characters of a string?
What is varray in pl sql?
