How to put a Condition in count()?
In SQLite, the COUNT() function is used to return the number of rows that match a specified condition. It counts the number of non-null values in a specified column or counts all the rows in a table if no column is specified.
The COUNT() function in SQLite retrieves the number of rows in a specified column or table that meet a given condition. We can specify conditions in the COUNT() function in SQLite using the below method as follows:
- Using WHERE Clause
- Using CASE Statement
- Using NULLIF Function
To understand how to specify conditions in Count() in SQLite we need a table on which we will perform various operations and queries. Here we will consider a table called employees which contains id, name, salary, and department as Columns.
How to Specify Condition in Count() in SQLite?
In SQLite, One common question that arises is whether it’s possible to specify a condition in the Count()
function in SQLite. This question is particularly relevant when we want to count only certain rows based on a specific condition. We will explore different approaches to updating multiple rows effectively using SQLite.