For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In this post, we aim to provide a comprehensive guide to building a conference registration and attendance tracking system using Structured Query Language (SQL). Creating the Necessary Tables We begin by creating tables that will hold all necessary data.
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CREATE TABLE Attendees ( AttendeeID int PRIMARY KEY, FullName varchar(255) NOT NULL, Email varchar(255) UNIQUE NOT NULL ); CREATE TABLE Conferences ( ConferenceID int PRIMARY KEY, ConferenceName varchar(255) UNIQUE NOT NULL, Location varchar(255) NOT NULL, StartDate date NOT NULL, EndDate date NOT NULL ); CREATE TABLE Registration( AttendeeID int, ConferenceID int, RegistrationTime datetime NOT NULL DEFAULT GETDATE(), PRIMARY KEY (AttendeeID, ConferenceID), FOREIGN KEY (AttendeeID) REFERENCES Attendees (AttendeeID), FOREIGN KEY (ConferenceID) REFERENCES Conferences (ConferenceID) ); |
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