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Mod 2UNIT-1 AVOC 24
Mod 2-UNIT 1 VOCABULARY ASSIGNMENT 24
Question | Answer |
---|---|
COMMA SEPARATED VALUES CSV) | File uses commas to identify the end of a column and line feed for each row |
RELATIONAL DATABASE | Is a highly structured type of database, information is organized in tables |
RELATIONAL DATABASE MANAGEMENT SYSTEMS (RDBMS) | Uses Structured Query Language (SQL) to maintain and query data in the database |
SCHEMA | The structure of the database in terms of the fields defined in each table and the relations between primary and foreign keys |
GARBAGE IN, GARBAGE OUT | Values entered into fields conform are consistent with what information the field is supposed to store |
STRUCTURED | Enables you to more easily access the stored information and gives you flexibility over what you exactly what you access |
UNSTRUCTURED | Provides no rigid formatting of the data |
SEMI-STRUCTURED | The data lacks the structure of formal database architecture |
KEY/VALUE PAIR DATABASE | Means of storing the properties of objects without predetermining the fields used to define an object |
DATA DEFINITION LANGUAGE (DDL) | Commands refer to SQL commands that add to or modify the structure of the database |