sql not null
SELECT column_name FROM table_name
WHERE column_name IS NOT NULL;sql not null
SELECT column_name FROM table_name
WHERE column_name IS NOT NULL;Select without null values sql
SELECT column_names
FROM table_name
WHERE column_name IS NOT NULL;sql is not null
SELECT * FROM my_table WHERE my_column IS NOT NULL;find value if not null in sql
SELECT FIRST_NAME , MANAGER_ID
FROM EMPLOYEES
WHERE MANAGER_ID IS NOT NULL ;how to find columns with null values in sql
declare @col varchar(255), @cmd varchar(max)
DECLARE getinfo cursor for
SELECT c.name FROM sys.tables t JOIN sys.columns c ON t.Object_ID = c.Object_ID
WHERE t.Name = 'ADDR_Address'
OPEN getinfo
FETCH NEXT FROM getinfo into @col
WHILE @@FETCH_STATUS = 0
BEGIN
SELECT @cmd = 'IF NOT EXISTS (SELECT top 1 * FROM ADDR_Address WHERE [' + @col + '] IS NOT NULL) BEGIN print ''' + @col + ''' end'
EXEC(@cmd)
FETCH NEXT FROM getinfo into @col
END
CLOSE getinfo
DEALLOCATE getinfosql is not null
The reverse of NULL. Tests for values that aren’t empty / NULL
"Tests for empty (NULL) values.
Example: Returns users that haven’t given a contact number.
SELECT * FROM users
WHERE contact_number IS NULL;"Copyright © 2021 Codeinu
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