WEB-BASED CASE TOOL for Implementing Database Schemas from ER Diagrams Group P13, Vignesh Lakshmi Rajakumar Eugene Ang Hwai Choon Rajalakshmi Ramachandran Aditya Srivastava Group P13, Vignesh Lakshmi Rajakumar Eugene Ang Hwai Choon Rajalakshmi Ramachandran Aditya Srivastava

Abstract Conversion of the given ER diagram and produce DDL statements for schema

Introduction CASE Tool Use in database systems

Related Work Role Names Identifiers for entity types Rules for generating relations and entities

Proposed Idea UI Model Backend

User Entry Entity, Attribute, Relations Links(along with Cardinality) ElementArrayLinkArray UI MODEL

Example

SQL Statements TablesDDL Statement 1 CREATE TABLE Student_(Stud_name varchar(255), course_id varchar(255), stud_id varchar(255), PRIMARY KEY (stud_id)); 2 CREATE TABLE College(c_id varchar(255), C_name varchar(255), PRIMARY KEY (c_id)); 3 CREATE TABLE Course(course_name varchar(255), course_id varchar(255), PRIMARY KEY (course_id)); 4 CREATE TABLE studies(stud_id varchar(255), FOREIGN KEY(stud_id) REFERENCES Student_(stud_id)); 5 CREATE TABLE has(c_id varchar(255), course_id varchar(255), FOREIGN KEY(c_id) REFERENCES College(c_id), FOREIGN KEY(course_id) REFERENCES Course(course_id));

Conclusion Pros & Cons Summary