Answers for "with sql how do you select all the columns from a table named persons"

get all tables with column name sql

SELECT      c.name  AS 'ColumnName'
            ,t.name AS 'TableName'
FROM        sys.columns c
JOIN        sys.tables  t   ON c.object_id = t.object_id
WHERE       c.name LIKE '%MyName%'
ORDER BY    TableName
            ,ColumnName;

get all columns from table sql

SELECT
  	TABLE_NAME
FROM
  	INFORMATION_SCHEMA.TABLES