How To Use SELECT Statement to Count the Number of Rows

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How To Use SELECT Statement to Count the Number of Rows? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements

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If you want to count the number of rows, you can use the COUNT(*) function in the SELECT clause. The following select statement returns the number of rows in the "department" table:

SQL> SELECT COUNT(*) FROM departments;
  COUNT(*)
----------
        27

So there are 27 rows in the "departments" table.

2007-04-20, 7775👍, 0💬

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How To Select Some Columns from a Table
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Can SELECT Statements Be Used on Views
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How To Sort the Query Output
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Can the Query Output Be Sorted by Multiple Columns
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Can Group Functions Be Mixed with Non-group Selection Fields
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How To Select Some Rows from a Table
How To Select Some Rows from a Table? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you don't want select all rows from a table, you can specify a WHERE clause to tell the query to return only the rows that meets the condition defined in the WHERE clause. The following select state... 2007-04-21, 5420👍, 0💬

How To Filter Out Duplications in the Returning Rows
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