A field and a table are both components of a database system. A field represents a single piece of data within a record, while a table is a collection of related records organized in rows and columns. Tables consist of fields that define the structure of the data stored within them.
In a database, a field that uniquely identifies a particular record in a table is called
The field that uniquely identifies a record in a table is called the primary key. It ensures that each record in a table is distinct and can be easily located and referenced.
The "NULL" column in a table is typically marked as optional when creating a new field. It allows for the column to contain null values, meaning it is not required to have a value for every row in the table.
Primary key is the field that uniquely identifies each record in a table. It ensures that each record in a table is unique, and helps to establish relationships between tables in a database.
key
ID
Student_id is the field in the tables
It depends on the field's dependencies. If the field has no dependencies then there are no consequences. Data that depends on the table is a dependency, as is code and other tables that depend upon the field.
field, record, table, database
The primary key.
key field
Foreign key field
a field that is the same as one in another table
can table and field names be up to 64 characters in length?
Field size automatically fills in a certain value in new records as you add to the table.
True.