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

6 votes255 views1 answer
How to get the size of the database in postgresql
SQL
0 vote199 views1 answer
FindAllBy
SQL
150 votes394 views10 answers
Grepper
SQL
0 vote237 views1 answer
Mysql grant access to one database
SQL
0 vote273 views1 answer
Gcloud sql list databases
SQL
16 votes217 views3 answers
Order by sql query
SQL
0 vote241 views2 answers
Sql query for getting details by id
SQL
3 votes236 views2 answers
Oracle grants
SQL
0 vote219 views1 answer
Postgresql import data from csv
SQL
0 vote244 views1 answer
Get the Db column names from a SqlDataReader
SQL