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What is data redundancy?
Storing the information several time leads to waste of storage space is called data redundacy. Data redundancy is a term used about databases and means simply that some data fields appear more than once in the database. Data redundancy is wasteful and inefficient for several reasons and database designers attempt to eliminate it as far as possible by using a technique called data normalization. Data redundancy occurs in database systems which have a field that is repeated in two or more tables. For instance, in case when customer data is duplicated and attached with each product bought then redundancy of data is a known source of inconsistency.
What is a computer database?
A computer database is an organized collection of data that can be easily accessed, managed, and updated. It stores information in structured formats, enabling efficient retrieval and manipulation of data.
What is an unbound format report?
An unbound format report refers to a type of report layout in a database application where data is not directly tied to a specific layout structure. Instead, it allows for more flexibility in how data is presented, providing greater control over the design and appearance of the report. Users can place data fields, labels, and other design elements wherever they choose on the report, making it easier to customize and format the report as needed.
Why did Thomas Edison quit school?
Thomas Edison left school at a young age due to his mother's perception that the teachers at his school did not understand his potential and could not provide him with the tailored education he needed. Edison's mother believed that she could nurture his creativity and intelligence better at home.
Why didn't Henry ford graduate high school?
Henry Ford dropped out of high school at age 16 to work on the family farm. He had an interest in mechanics and engineering, which led him to pursue a career in those fields rather than completing his formal education. Eventually, he went on to become a successful entrepreneur and founder of the Ford Motor Company.
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.
Is 'A database uses characteristics such as field size and data type to define each field' false?
No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.No it is not false. Database fields do have field sizes and data types.
List two examples of fields in a database holding details about school pupils?
Your name, address, and all information about you.
What is a group of fields in a database called?
Any computer based database is composed of certain things in a certain order. The simplest part of a database is the field. Fields can contain pictures or text or sounds or instructions on what to do with other information in other fields. Fields are grouped into Records. Records are the total of all the information on a particular person or item. Records can be combined with other records then to build the database
What is the database that contains tables linked by common fields?
A relational database is a database that contains tables linked by common fields. These common fields are used to establish connections between the tables and to retrieve related data across multiple tables using queries.
What is the key fields in a database?
what is a Absolute reference
What makes up a database?
A database is made up of related information in Tables and fields.
Describe database normalization?
Database Normalization is the process of organizing the fields and tables of a relational database to minimize redundancy and dependency
When you create a database you define its that is you assign names and types to all the fields?
When you create a database, you define its structure by assigning names and data types to all the fields. This process involves specifying the tables, fields, and relationships between them to organize and store data efficiently. By defining the database schema, you establish the blueprint for how data will be stored and accessed within the database.
What software can be used to create the database tables fields and records?
Database management software
What is a group of related fields in a database called?
record.
A database template contains pre-built?
Fields
