counting in sql

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showing results for - "counting in sql"
Mia
20 Jul 2017
1/*COUNT(column_name) will return the number of rows from the column 
2that are not NULL*/
3SELECT COUNT(column_name)
4FROM table_name;
5
6/*COUNT(*) will return the number of rows from the table*/
7SELECT COUNT(*)
8FROM table_name;
Angelo
07 Apr 2018
1SELECT COUNT(*) FROM EMPLOYEES;
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