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Understanding Relational Data: Overview of Databases

Learn about databases - a collection of tables with records, keys, and relationships. Explore DBA procedures, queries, and database principals. Visit us at http://cs1001.us/

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Understanding Relational Data: Overview of Databases

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  1. CSCI 1001 overview of computer science RELATIONAL DATA

  2. spreadsheet

  3. database

  4. A database is a collection of tables (relations) Each table is a collection ofrecords or tuples. Each record consists of attributes or fields. An attributein a specific record is an item (element)

  5. A Primary Keyis a set of attributes that uniquely identifies each record in a table. When a primary key is referenced in another table, it is a Foreign Key.

  6. DATABASE PRINCIPALS DBA Procedures Queries User DBMS Database Replies

  7. http://cs1001.us/

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