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  • Count clause in sql

    • Count number of rows in sql query result.

    Count(1) in sql

  • Count(1) in sql
  • Count(distinct sql)
  • Count number of rows in sql query result
  • Group by in sql
  • Count(case when sql)

    • SQL SELECT COUNT()

    In SQL, the SELECT statement is a fundamental tool for retrieving data from a database. When paired with the COUNT() function, it becomes even more powerful, enabling efficient data aggregation and analysis.

    This article provides a detailed explanation of SELECT and COUNT() in SQL, including syntax, examples, and practical use cases. Whether we’re filtering rows, counting non-NULL values, or analyzing distinct entries, this article will help us master these essential SQL techniques.

    What is SELECT in SQL?

    The SELECT statement is used to retrieve specific columns or rows from a table based on defined conditions.

    It serves as the foundation of most SQL queries, allowing users to extract and filter data for analysis. Using select statements we can also apply filters using different clauses like where, Group By, Having, etc.

    Syntax

    SELECT <COLUMN_NAME>

    FROM <TABLE_NAME>

    WHERE <CONDITIONS>;

    What is COUNT() in SQL?

    The COUNT() function is an aggregate funct

      count function in sql server
      count function in sql with group by