SQL

sql query to get column names and data types in sql server

SELECT COLUMN_NAME, 
	DATA_TYPE, 
    IS_NULLABLE, 
    CHARACTER_MAXIMUM_LENGTH, 
    NUMERIC_PRECISION, 
    NUMERIC_SCALE 
FROM 'your_database_name'.INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME='your_table_name';

sql server get type of column

SELECT 
    COLUMN_NAME, 
    DATA_TYPE, 
    CHARACTER_MAXIMUM_LENGTH AS MAX_LENGTH, 
    CHARACTER_OCTET_LENGTH AS OCTET_LENGTH 
FROM INFORMATION_SCHEMA.COLUMNS 
WHERE TABLE_NAME = 'table_name' 
AND COLUMN_NAME = 'column_name';

get column types SQL SERVER

SELECT DATA_TYPE 
FROM INFORMATION_SCHEMA.COLUMNS
WHERE 
     TABLE_SCHEMA = 'yourSchemaName' AND
     TABLE_NAME   = 'yourTableName' AND 
     COLUMN_NAME  = 'yourColumnName'