End-User Requirements, Tasks that the user of the database will be expecting to do, Functional Requirements, Tasks that the database will be expected to perform, Entity, A person, place, thing event or concept that data will be stored about., Attribute, Characteristics of an entity e.g firstname, surname etc, Aggregate Function used to find the maximum value, MAX(), Aggregate Function used to find the average value, AVG(), A certain query used to delete a record from a database, DELETE, Accuracy of output, A query could be inaccurate if the wrong/no alias is used, The operator used in a wildcard, LIKE, Indicates the properties of each attribute, Data Dictionary

Databases

โดย
สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม