Sickle cell anemia is an ____ recessive disorder. This means that the disorder is not on the ___ chromosomes.
A data dictionary is one tool organizations can use to help ensure data accuracy. This practice brief describes common data inconsistencies found within healthcare organizations' systems and defines the data dictionary and its associated data management challenges.
In database management systems, a file that defines the basic organization of a database. A data dictionary contains a list of all files in the database, the number of records in each file, and the names and types of each field. Most database management systems keep the data dictionary hidden from users to prevent them from accidentally destroying its contents. Data dictionaries do not contain any actual data from the database, only bookkeeping information for managing it. Without a data dictionary, however, a database management system cannot access data from the database.