count sql
snippet in sql

sql count

user526

/*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;

count query in sql database

user7762


SELECT COUNT(column_name)

FROM table_name

WHERE condition; 

how to count number of rows in sql

user1378

SELECT COUNT(*)
FROM dbo.bigTransactionHistory;

sum sql

user9141


SELECT SUM(column_name)

FROM table_name

WHERE condition; 

sum of column in sql

user7236

SELECT SUM(column_name)
FROM table_name
WHERE condition;

count sql

user9275

WHERE LOWER(FIRST_NAME || LAST_NAME)  LIKE '%d%' ;