how to rename a schema in sql server code example

Example 1: rename table sql server

USE AdventureWorks2012;   
GO  
EXEC sp_rename 'Sales.SalesTerritory', 'SalesTerr';

Example 2: how to rename columns in sql server

EXEC sp_rename 'Sales.SalesTerritory.TerritoryID', 'TerrID', 'COLUMN';