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philipxy

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1512.61 (54,505th) 		Reputation
11,699 (12,666th)
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Title Δ
1:N relationship representation in dbdesigner 0.00
Should this information be calculated in real time or stored in a s... 0.00
Make UNIQUE KEY relational to query 0.00
Foreign keys query 0.00
Table with set of 3 columns maximum which have same meaning -1.35
PK for table that have not unique data -0.00
RSS feed integration with mySQL database structure 0.00
Can I use the same foreign key constraint in two different tables? -0.07
How to erase fields or don't allow to add content in the wrong... 0.00
How to support variable number of one-to-many relationships in data... 0.00
sql database design for multiple restaurants +3.68
Supports transactions, row-level locking, and foreign keys errorno... 0.00
why Indexed Nested-Loop Join only applicable for equi-join or natur... 0.00
Foreign Key SQL: How can I reference two attributes in one table to... 0.00
Multiple foreign keys from the same table 0.00
Oracle sql - select distinct columns based on few columns +0.40
sqlite database architecture - referencing multiple rows +0.25
SQL Design Relationship - Many to Many resolution +0.00
Using update and insert triggers to provide a count column in other... 0.00
Which database design gives better performance? -0.88
Need help optimizing outer join SQL query -2.74
Database Modelling / ER Diagram - Should Look-up tables be left alo... 0.00
Is there a way to specify an empty key in SQL? -3.60
Is using a Master Table for shared columns good practice for an ent... -2.43
Database design for products with multiple categories and multiple... 0.00
Which function dependency is not in 1NF? 0.00
modeling a 3-way relationshsip +4.06
Database schema for private messages with many different types of u... 0.00
Django model for variable type of data 0.00
how to calculate the negation of a selection predicate of a SQL que... -0.27
best practices for design of database tables for storing urls on we... 0.00
BCNF decomposition query 0.00
How to build relational tables in a two-sided marketplace 0.00
Storing data of reverse foreign keys 0.00
What is atomicity in dbms +1.45
how to design the tables for customer orders and bills +0.14
Canonical Text on Database Design? -0.43
MySQL & InnoDB - Two columns for unique identification and fore... 0.00
referencing part of the composite primary key +4.59
Converting 3NF to BCNF when there is a circular dependency 0.00
Does the Google File System allow listing directory contents? 0.00
MySQL: Remove row from join view with/without touching rows in unde... +1.27
Mysql query for selecting friends -1.78
Is merging two tables that inherit from the same class a bad idea? +0.18
Should flags only be binary? +0.70
How to Store Graph-Like Data in SQL Server? +0.03
How to implement social network timeline: Optimize data storage for... 0.00
Pessimistic vs. optimistic concurrency control 0.00
Required to join 2 tables with their FKs in a 3rd table -0.43
Foreign key referencing the same table... Can you help explain this... -3.94