COUNT function PostGreSQL
Published on Feb 03,2024:
In this video, we will look at the SQL Count function:
Syntax format is : SELECT COUNT(column_name) FROM table_name;
The COUNT() function is used to return the number of rows that match a specified condition. It is commonly used in queries to determine the total number of records in a table or the number of records that satisfy a condition
Counts all the rows in the table, including those with NULL values
Examples:
SELECT count(*) FROM public.payment;
SELECT count(1) FROM public.payment;
SELECT count(payment_id) FROM public.payment;
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