Create database if db does not exist

Could you check the following script :

    IF NOT EXISTS(SELECT * FROM sys.databases WHERE name="DataBase")
  BEGIN
    CREATE DATABASE [DataBase]


    END
    GO
       USE [DataBase]
    GO
--You need to check if the table exists
IF NOT EXISTS (SELECT * FROM sysobjects WHERE name="TableName" and xtype="U")
BEGIN
    CREATE TABLE TableName (
        Id INT PRIMARY KEY IDENTITY (1, 1),
        Name VARCHAR(100)
    )
END