Answer / hitendra yadav

(1) Simple table store in the database as a object but
PL/SQL or index by table does not store in the database it
can be create only in PL/SQL block.
(2) Simple table in the database can have more then
multiple column up to 254 but index by table can only have
two column first is primary key column of BINARY_INTEGER
and second column is any collection type column.

Answer / heena

pl/sql tables are not store in database but normal pl/sql
tables are stored in database

find the third highest salary?

23 Answers  

---

How to change sql*plus system settings?

0 Answers  

---

What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.

7 Answers   Satyam,

---

how to write date and time literals? : Sql dba

0 Answers  

---

how can we repair a mysql table? : Sql dba

0 Answers  

---

I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt. where clause,then how do u know that yr index will be working or nor? Thanks Advance...

3 Answers  

---

What is difference between inner join and cross join?

0 Answers  

---

Can instead of triggers be used to fire once for each statement on a view?

0 Answers  

---

What is pivot query?

0 Answers  

---

Explain uses of cursor.

1 Answers  

---

how can stop the sequence with mention the max value and with out mention the max value

1 Answers   Zensar,

---

declare v_count number(8,3); v_sal scott.emp.sal%type := '&P_sal'; cursor cur_name is select sal from scott.emp where sal between (v_sal-100) and (v_sal +1000); begin v_count :=nvl(sql%rowcount ,0); if v_count = 0 then dbms_output.put_line('no records are fetch in the given sal range'); else dbms_output.put_line('There is/are '||to_char(v_count)|| ' salaries are selected in the given range '); end if; end; in the above programm .....for any sal range ....always it shows the following message.. no records are fetch in the given sal range please find the mistake and share with me...with thansk and regards..sarao....

3 Answers   Satyam,

---