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In access to create a relationship between two tables the two connected fields must have the same what?

Primary key


What is displayed in the three row grid in the middle of the edit relationships window?

the common fields to be used to join the tables


How many fields does a database have?

Modern databases do not have a preset number of fields. Rather, the data architect determines the needed tables and number of fields per table and declares that to the database software. Fields can--with some restrictions--also be added and removed later as needed. That said, each database application does have a maximum limit on the number of fields per table and the number of tables per database, which information has to come from the database manufacturer. But those limits are usually vastly greater than anyone might want. It is part of a computer and it has many fields.


How do related tables improve the accuracy of a data in a database?

In short, they do not. Relating tables in a database defines the relationships between the data sets in the different tables and allows the data to be accessed more efficiently, but it does not affect the accuracy of the data entered.


What is the rounding tables?

Rounding tables are tools used to simplify numbers by rounding them to a specific place value, such as the nearest whole number, tenth, or hundredth. They provide a quick reference for determining rounded values, making calculations easier and faster, especially in fields like mathematics, finance, and science. These tables can help visualize how rounding affects numbers and facilitate estimation in various applications.