In T-SQL :
The script for renaming any column :sp_RENAME 'TableName.[OldColumnName]' , '[NewColumnName]', 'COLUMN'
The script for renaming any object (table, sp etc) :
sp_RENAME '[OldTableName]' , '[NewTableName]'
In PL-SQL :
The script for renaming any object (table, sp etc) :
Alter table Stu_Table rename to Stu_Table_10)