What prevents a column from having a NULL value?
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- A Column spanner in a table should describe which of the following?SQL code: to add an additional column ex: ALTER TABLE chicken ADD dish varchar(30) Question: How to add default the dish to Only chicken piccata in the rest of the following rows ?SQL : Write a statement that allows the same classmate to modify (insert, update, and delete) the data of the newEmpXX table
- PROBLEM: Create a table named BOOK_STORES to include the columns listed in the following chart. Column Name Store_ID Name Contact Rep_ID Datatype NUMBER (8) VARCHAR2(30) VARCHAR2(30) VARCHAR2(5) Constraint Comments PRIMARY KEY column Should be UNIQUE and NOT NULL : INSTRUCTIONS: Submit the complete code on doc file, run and also submit the snapshot of the result. You can paste the screen shots(2) on a MS. Word doc.What’s the purpose of a column qualifier? When are you required to use one?SQL:- NULL means blank or 0(zero) True False
