Answers for "sql server count values in column"

SQL
4

how to count number of columns in a table in sql server

-- Oracle
SELECT count(*) FROM ALL_TAB_COLUMNS WHERE OWNER='owner_name' 
	AND TABLE_NAME = 'table_name';
-- SQL Server / MySQL
SELECT count(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'schema_name' 
	AND TABLE_NAME = 'table_name';
Posted by: Guest on July-04-2021
-1

count occurrences sql

SELECT age, count(age) 
  FROM Students 
 GROUP by age
Posted by: Guest on September-15-2020

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