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Rating Stats for

Erwin Smout

Rating
1476.14 (4,508,578th) 		Reputation
15,185 (9,267th)
Page: 1 ... 7 8 9 10 11 ... 15
Title Δ
Reporting on historical data - when to use current or historic data... -0.38
Are primary keys passé? +1.43
How do you compute the functional dependencies for decomposition? 0.00
Database tables with no primary keys +0.45
how to find the highest normal form for a given relation 0.00
Normalising DataBase with MultiValued Dependency (4NF/5NF) 0.00
6NF and historical attribute data 0.00
normalising data columns that have individual dependancy +0.42
Low normal form database design on relational RDBS 0.00
How to store historical server data? -1.44
Assigning keys from rows of one table to rows to another concurrenc... +0.80
Is there an elegant way to store a dual relationship (i.e. user 1 a... -0.47
Why is multi-value field a bad idea in relational databases +2.49
RDBMS as cache, design advice needed -0.89
Functional Dependency Trivial 0.00
Can a SQL Server database schema always enforce its application's b... +0.59
DB Functional Dependencies. +0.84
Constraints in Postgresql +2.37
adding already existing row to sqlite3 without getting exception +0.42
Why do C programs keep saying 'struct' every time they refer to one? -1.06
Java - PHP Number-Type Mix Up (9966006699) +0.13
How to represent end-of-time in a database? -0.86
Designing lossless-join, dependency preserving, 3NF database +1.10
Are there any open-source query-language agnostic relational storag... +1.35
What would be an optimal SQL query to retrieve the following result... +1.11
Multivalue Dependency violation? +1.91
Convert SQL Query to Relational Algebra -1.24
Implementing a relational data model: what are the constraints for... +1.66
Complicated logic constraints 0.00
Candidate Key Identification with Functional Dependencies +0.64
SQL Server 2008 - Too much denormalization and over Indexing: What... +0.93
Can all SQL queries be represented in Relational Algebra, Domain an... +1.65
Can someone explain me how the cartesian product works in relationa... +1.70
Are selection and projection associative? -0.22
Which normal form does this table violate? +1.31
Converting aggregate operators from SQL to relational algebra +0.38
design - sixth normal form -1.22
Natural Join -- Relational theory and SQL +2.21
Database Architecture Advice -0.65
Why is "int i = 2147483647 + 1;" OK, but "byte b = 1... +1.08
Constraint To Prevent Adding Value Which Exists In Another Table +0.19
Co-worker argues that storing a serialized string of data in a data... +2.51
SQL select id where other columns are identical -0.57
Reservation/booking system dayview, issues with time granularity +2.27
Is there any DBMS that does not rely upon SQL? -1.01
How can I handle this generalization design issue? +1.15
Updating Product Prices Changes Pricing on All Orders -0.38
understanding database system requirements specifications +0.79
When a transaction is rolled back in timestamp ordering protocol wh... +3.38
Read uncommitted mvcc database +1.60