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;

To count number of rows in SQL table

SELECT count(*)
FROM information_schema.columns
WHERE table_name = 'Your_table_nale';

Sql count(*)

SELECT COUNT(column_name)
FROM table_name
WHERE condition;

Similar codes

1 vote342 views1 answer
Mysql copy table1 to table2
SQL
0 vote352 views1 answer
Sql get highest date from 3 tabels
SQL
2 votes389 views2 answers
Select sqlite3.OperationalError: no such column:
SQL
0 vote364 views1 answer
Oracle list of long running queries
SQL
2 votes358 views1 answer
Mysql increment value by 1 in update
SQL
1 vote369 views1 answer
Postgres set column based on another column
SQL
0 vote347 views1 answer
Sql trigger to call stored procedure with parameters
SQL
0 vote357 views1 answer
Guid string to binary better
SQL
0 vote347 views1 answer
Update sqlite
SQL
0 vote373 views1 answer
Ceil upto 2 decimal place mysql
SQL