How do u count no of rows in a table?

Answers were Sorted based on User's Feedback



How do u count no of rows in a table?..

Answer / gunturajesh

select count(*) from table will give the number of rows in
the table including null values

Is This Answer Correct ?    32 Yes 3 No

How do u count no of rows in a table?..

Answer / bj

select count(1) from <table_name>;

By this also we can count no of rows in a table.

Is This Answer Correct ?    19 Yes 2 No

How do u count no of rows in a table?..

Answer / prakash kumar

select max(rownum)from table_name;
this will also give number of rows in your table

Is This Answer Correct ?    9 Yes 3 No

How do u count no of rows in a table?..

Answer / prabhudatta barick

Please ignore my first answer...

as By default this job runs within a maintenance windows
between 10 P.M. to 6 A.M. week nights and all day on
weekends.

to get the exact record please use this

ANALYZE TABLE <table_name> COMPUTE STATISTICS;

SELECT num_rows
FROM dba_tables
WHERE table_name = '<TABLE_NAME>';

Is This Answer Correct ?    3 Yes 1 No

How do u count no of rows in a table?..

Answer / prabhudatta barick

Automatic Optimizer Statistics Collection
By default Oracle 10g automatically gathers optimizer
statistics using a scheduled job called GATHER_STATS_JOB.

As it gathers table statistics automatically
so no need to gather table statistics before
running this query.

SELECT num_rows
FROM dba_tables
WHERE table_name = '<TABLE_NAME>';

This will give u the total no. of records in a table....

Is This Answer Correct ?    1 Yes 0 No

How do u count no of rows in a table?..

Answer / bolearner

There are 2 ways used to find the row count of any table.

SELECT COUNT(*) FROM EMP;

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

Is This Answer Correct ?    0 Yes 0 No

How do u count no of rows in a table?..

Answer / siri

select count(*) from table_name

Is This Answer Correct ?    0 Yes 0 No

How do u count no of rows in a table?..

Answer / amaresh

write this quire "SQL>desc tablename;

Is This Answer Correct ?    2 Yes 14 No

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