What are the names of the tables in the student schema?
The Student Schema Diagram
- THE STUDENT TABLE. Examine the STUDENT schema diagram and locate the STUDENT table.
- The COURSE TABLE.
- The SECTION TABLE.
- The INSTRUCTOR TABLE.
- THE ZIPCODE TABLE.
- What about Delete Operations?
- THE ENROLLMENT TABLE.
- The GRADE_TYPE table.
What does a school database contain?
Every school, college, and university needs to create a database of all their students. This directory typically contains student names, student ID, email, photo, date of birth, year of graduation, and department.
What is a database schema What information does it contain?
A database schema is a visual that outlines the architecture of a database. It contains a list of tables, the fields those tables contain, database users, stored procedures, and other pieces of information about a database. For instance, a schema may include database links, events, and indexes.
What is schema in database with example?
SQL schemas are defined at the logical level, and a user that owns that schema is called the schema owner. SQL is used for accessing, updating, and manipulating data. For example, in the Oracle Database product, a schema represents only a part of a database: the tables and other objects are owned by a single user.
What is instructor in database?
The instructor database contains information about instructors who are available to teach a class at some point in time. The scheduler uses data from this database to decide the courses, times at, and rooms in which the instructor will teach for a particular term.
What are the different database schemas?
There are two main kinds of database schema: A logical database schema conveys the logical constraints that apply to the stored data. It may define integrity constraints, views, and tables. A physical database schema lays out how data is stored physically on a storage system in terms of files and indices.
How is the Student Information System data model?
This Data Model is based on the typical Life Cycle of a Student. The first thing a Student does is to register at a School, then sign up for Classes, followed by completion of Assignments, taking Exams and finally leaving the Schoool (or transferring) and taking his or her Transcripts.
How is the schema of a database defined?
A schema can be defined as the design of a database. The overall description of the database is called the database schema. It can be categorized into three parts. These are: A physical schema can be defined as the design of a database at its physical level.
How are physical and logical schemas related in DBMS?
A physical schema can be defined as the design of a database at its physical level. In this level, it is expressed how data is stored in blocks of storage. A logical schema can be defined as the design of the database at its logical level. In this level, the programmers as well as the database administrator (DBA) work.
Which is an example of a view schema?
View schema can be defined as the design of the database at the view level, which generally describes end-user interaction with database systems. For example: Let suppose you are storing students’ information on a student’s table.