without using count(*) and rownum how can we count total record in a table

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without using count(*) and rownum how can we count total
record in a table

Question Posted / plsqlganesh

5 Answers
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without using count(*) and rownum how can we count total record in a table..

Answer / ganesh prasad sial

select sum(1) from emp;

Is This Answer Correct ?

38 Yes

2 No

without using count(*) and rownum how can we count total record in a table..

Answer / sudipta santra

select count(rowid) from emp;

Is This Answer Correct ?

23 Yes

4 No

without using count(*) and rownum how can we count total record in a table..

Answer / vignesh lakshmirajan

simple..!!! Findout the primary key of the table..

then..

select count(primary_key_column) from table;

thats all; becos count vil work with non-null values.

primary key cant b null..
so.. v can use count on primary key...

Is This Answer Correct ?

13 Yes

1 No

without using count(*) and rownum how can we count total record in a table..

Answer / sanrai

Select max(rownum) From dual

Is This Answer Correct ?

7 Yes

4 No

without using count(*) and rownum how can we count total record in a table..

Answer / rajesh

SQL> SELECT TABLE_NAME, NUM_ROWS FROM USER_TABLES WHERE TABLE_NAME='EMP';

TABLE_NAME NUM_ROWS
------------------------------ ----------
EMP 14

Is This Answer Correct ?

3 Yes

0 No

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