Answers for "count method sql"

SQL
18

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

count sql

SELECT COUNT(column_name)
FROM table_name
WHERE condition; 

--Return number of rows
Posted by: Guest on November-11-2021

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