Answers for "counting in sql"

SQL
17

sql count

/*COUNT(column_name) will return the number of rows from the column 
that are not NULL*/
SELECT COUNT(column_name)
FROM table_name;

/*COUNT(*) will return the number of rows from the table*/
SELECT COUNT(*)
FROM table_name;
Posted by: Guest on August-09-2020
0

counting in sql

SELECT COUNT(*) FROM EMPLOYEES;
Posted by: Guest on January-07-2021

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