StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Rating Stats for

philipxy

Rating
1512.61 (54,505th) 		Reputation
11,699 (12,666th)
Page: 1 ... 4 5 6 7 8 ... 17
Title Δ
About one of the conditions of 3NF -1.79
Determining if a relation is 1NF with no data 0.00
Exist practices/guidelines for creation of non normalized tables du... 0.00
Forming a relational algebra query from an English description 0.00
Why are union, intersection and difference operations called boolea... +0.49
How can I show that this grammar is ambiguous? -0.01
Getting the same FDs you start with after BCNF decomposition? 0.00
Implementing relationship databases scheme +0.02
How to implement a many-to-many relationship with a limited number... 0.00
Logical Database Design(Basic 1:m rule VS. Optional 1:m rule) 0.00
Normalize table with 2 attributes only 0.00
How to Choose the null value given by an Outer Join in Relational a... 0.00
groupBy is not working on Spark? +0.02
How to derive functional dependencies from a table +0.49
Displaying Foreign Key data in MySQL -0.47
Mini-world as table in a relational database? +0.48
What does 'AS' mean in SQL? -0.48
If xy determines z can x determine z and y determine z? 0.00
What are the candidate keys in the below relation +0.52
Grouped or Multiple Foreign Key Constraints 0.00
Why is join equivalent to intersect on tables with 0 attributes? 0.00
Advice on design relations between tables +0.52
Relational schema : (0,1) to (0,1) relationship with attributes - m... +0.51
Relational database design for yii2: unique composite key with redu... 0.00
Relationship between student, enrollment, course and section table +0.52
Left join - two tables with the same data -0.83
How to add reference to a non primary key column of a table in rails5 +0.01
Database - Lossless Join Decomposition Criteria 0.00
How do I model (GitHub-like) permissions relationally? +1.26
Access 2007 Joining a list to many fields -0.18
For a many to many relationship is it better to use relational data... +0.23
What did I do wrong? (Find FD from table) 0.00
which rule restricts one entity occurrence of super class to be a m... 0.00
What Kind of Relationship is Between These Tables? -0.17
LISP lists and normal form 0.00
Group dependency SQL design 0.00
Normalization Theory Explanation needed -2.20
Tuple Relational Calculas 0.00
MYSQL Multiple join doesn't return all wanted rows re Employee-... 0.00
C program: converting an if statement code to a code which does not... -1.32
Many-to-one relationship in 2 or 3 relations 0.00
What can I do with a foreign key that I can't with JOIN in a SQ... -0.98
Creating a relational database from N dimensional table +0.17
Modelisation of relational data +0.51
Relational Algebra Banking Database -1.34
E-R model to relational database with one entity twice in one relat... 0.00
Relational Algebra how can I SELECT two conditions? +1.30
max value in Relational algebra 0.00
Efficient SQL Schema Design with Odd One-to-Many Relationship 0.00
Updating in relational algebra 0.00