Counting in sql

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;

Counting in sql

SELECT COUNT(*) FROM EMPLOYEES;

Similar codes

0 vote138 views1 answer
How to find date from date table in sql
SQL
0 vote139 views1 answer
Pass array parameter to stored procedure c#
SQL
2 votes170 views1 answer
Datefromparts mssql
SQL
12 votes156 views1 answer
Run mysql instance in docker
SQL
1 vote134 views1 answer
Alphabetical order mysql
SQL
2 votes146 views1 answer
Query any digits record
SQL
0 vote152 views1 answer
Sql server union if table exist
SQL
0 vote157 views1 answer
Repeatable read trong sql server
SQL
1 vote173 views2 answers
Laravel jwt generate token
SQL
0 vote140 views1 answer
Mostrar datos de tablas relacionadas mysql kjava
SQL