B/ Write SQL statement for the following: 1- Create table, the table name is Student and the attributes are (St_Id, St_Name, St_Stage, Average, Year) and the table contains a primary key. 2- Display the number of records in student table. 3- Retrieve the name and stage from table, when the stage does not contain value at the same time the student has average less than 60. 4- Add Phone number field to a student's table. 5- Make a Backup copy for student table.

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