ERDPLUS One tool I generally use when working on a projects, mini tasks and exploration is the ERDPLUS tool . It is quite simple and easy to use. It is a Free tool as well. Below are some diagrams I generated when i first got in contact with with tool. ERD DIAGRAMS: 1. 2. A
Creating Oracle tables for Intercollegiate Athletic Database. Part of Assignment one of Data Warehousing for Business Intelligence on Coursera –1 CREATE TABLE FACILITY CREATE TABLE FACILITY( FACNO VARCHAR(12), FACNAME VARCHAR(255) NOT NULL, CONSTRAINT PK_FAC PRIMARY KEY (FACNO) ); –2.REATE TABLE EMPLOYEE CREATE TABLE EMPLOYEE( EMPNO VARCHAR(12), EMPNAME VARCHAR(255) NOT NULL, DEPARTMENT VARCHAR(100) NOT NULL, EMAIL VARCHAR(50) NOT
The following are the main constraints which can be defined when you are creating a TABLE. I will be using the ORACLE DBMS . Primary key – The primary key of the table to be created. Foreign key – The primary key of some other table which is being referenced in this table to be
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