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What else can I help you with?
Which field MS Access will not allow you to delete?
A primary key field.A primary key field.A primary key field.A primary key field.A primary key field.A primary key field.A primary key field.A primary key field.A primary key field.A primary key field.A primary key field.
What does key coding mean?
A key code refers to a series of alphanumeric characters that are usually used by the locksmiths to create a key. There are basically two types of the key codes the biting codes and the blind codes.
Features of primary key?
* In NOT NULL constraint the particular data cannot be NULL,* In UNIQUE constraint the same thing cannot be repeated, it must be unique,* The primary key is simply the combination of both these constraints.
Can super key be as primary key?
I think super key is treated as the primary key because in a table their will be only one primary key.
What are the importance of primary key?
Importance of primary key
What does the primary key in a data base do?
We know that primary key is the one that is not null and is always unique. A primary key uniquely identifies a record in a table.
What are the advantage of primary key?
Primary key that is used to identify a record uniquely. Primary key is a key that always unique and not null. A system generated primary key is called surrogate key.Primary key is the one which is always unique and not null. Advantage of primary key that it helps in identifying a tuple uniquely.
Which key works as a part of a alphanumeric keys but also functions as a modifier key?
The "Shift" key functions as a modifier key while also being part of the alphanumeric keys on a keyboard. It allows users to type uppercase letters and access additional symbols associated with numeric and special characters. By holding down the Shift key while pressing another key, users can modify the input, enhancing the keyboard's functionality.
What is the primary key for the properties table?
Primary key is to set property ID as the primary key for the properties table.
How you create or assign primary key?
A primary key is never null and is also unique . Example of primary key is create table emp (ecode integer NOT NULL PRIMARY KEY);
Why do you designate one of the candidate key of relation to be the primary key?
We designate one of the candidate key of a relation to be a primary key because that primary key is use for any foreign key references.
Where is the backspace key located on my computer?
A large, double-width key usually with the word "backspace" written on it but some keyboards denote with a long left-facing arrow. It is usually found at the top-right of the primary (alphanumeric) keys, on the same row as the digits, above the enter/return key and below the F12 key.
