Terms for Database Systems Crossword Puzzle
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- flat files:a collection of data stored in a two-dimensional database in which similar yet discrete strings of information are stored as records in a table.
- data type:an attribute associated with a piece of data that tells a computer system how to interpret its value.
- referential integrity:a property of data stating that all its references are valid.
- foreign key:a column or group of columns in a relational database table that provides a link between data in two tables.
- primary key:the column or columns that contain values that uniquely identify each row in a table
- rows: a single group of related data within a table which goes horizontally on a table
- entity integrity:ensures that each row of a table has a unique and non-null primary key value.
- relational model:an approach to manage data using a structure
- secondary key:an additional key, which can be used in addition to the primary key to locate specific data
- domain integrity:a series of processes that guarantee the accuracy of pieces of data within a domain
- sql: a programming language for storing and processing information in a relational database.
- database: an organised collection of structured information, or data, typically stored electronically in a computer system
- column: a list of values, usually belonging to a particular field, displayed vertically in a table
- table: a database object that contains all the data in a database, data is logically organised in a row and column format which may be similar to a spreadsheet.
- index:a list of items such as a topic or name treated in a printed work that gives for each item the page number where it may be found