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Todd Everett's user avatar
Todd Everett's user avatar
Todd Everett's user avatar
Todd Everett
  • Member for 12 years, 1 month
  • Last seen more than a month ago
32 votes
Accepted

Database Design: New Table versus New Columns

25 votes

Entity relationship problem

17 votes

Database design for products with bundles of products

14 votes

Best way to store units in database

12 votes
Accepted

What are the practical reasons behind learning relational algebra?

10 votes

Need help on my first ER diagram

10 votes

Why the term "relation(al)"?

9 votes

Functional dependencies applies to whole database or to a particular relation?

9 votes

Conditional Foreign Key Relationship

9 votes

What database technologies do big search engines use?

9 votes
Accepted

What is a "database"?

8 votes
Accepted

Is it possible to get rid of so-called 'Spurious Tuples' completely?

8 votes
Accepted

Is splitting a CSV column into a separate table (enforcing 1NF) unnecessary complication?

6 votes
Accepted

What could justify a non explicit - non atomic primary key

6 votes
Accepted

Normalizing a database without access to source data?

6 votes
Accepted

How to enforce a constraint over multiple tables?

5 votes
Accepted

Database Schema for Resume/CV and Separate Sections

5 votes
Accepted

The key of the relation resulting from a full outer join

5 votes

How can I design a database to track each individual's stat changes weekly, in a group?

5 votes

Is this proper way to link parent and child tables with logical data instead of parent and child using primary and foreign key

5 votes

Needing A Database Design Book

5 votes
Accepted

If a table with a surrogate key has a column known to have unique non null values (eg SSN), does it violate 3NF?

3 votes
Accepted

UPDATED: Relational (or NoSQL) Database Design

3 votes

Survey Database - Respondent Table (1NF or 3NF - Pros and Cons)

3 votes

Should I maintain relationships diagrams in the back-end and the front-end?

3 votes

Do I relate entities that are indirectly related when creating a student-course ERD?

3 votes
Accepted

Using surrogate key after merging the person's data?

3 votes

Supertype/Subtype deciding between category: complete disjoint or incomplete overlapping

3 votes

Good reason to denormalize?

2 votes
Accepted

Does a dual key or single key lookup perform better on a table with a lot of data?