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nvogel

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Title Δ
Difference between a row-oriented and column-oriented databases in... +0.37
Oracle SQL full outer join +1.27
Name database design notation you prefer and why? +0.80
Does adding "ID" field to database tables according to th... -0.25
Is the creating nonclustered PK syntax inconsistent? -0.91
Why use an auto-incrementing primary key when other unique fields e... +0.16
What is a meaningfull datatype to save hours +0.51
how to allow your code to store undetermined number of columns? -0.28
SQL Server Express - Commercial use +0.02
What do I miss in understanding the clustered index? +0.33
No direct access to data row in clustered table - why? -0.18
SQL Server performance difference with single or multi column prima... -0.83
Why should primary keys of DB not be shown in html code, e.g. in se... -0.21
Could I same column to represent a foreign key to multiple tables? +0.05
What's the point of a candidate key? +0.34
relational database schema -1.28
Why shouldn't in a ER Model an association have attributes with a p... -1.05
What's the best tool for data integration +0.58
Best way to build a DataMart from multiple external systems? +0.59
Why to use "not null primary key" in TSQL? -0.41
Referential integrity in a relational data warehouse. Is it worth i... -0.82
Circular dependencies in foreign keys: use it or avoid it? -0.30
The Relational Model & Queries That Naturally Return Duplicate... -0.78
The benefits of using an object relational database such as Oracle/... +0.05
Can we update primary key values of a table? +0.63
Runtime Database Table Creation, for each type of CSV file -0.43
SQL Server unique constraint (but only sometimes) -0.70
Database Design - How to enforce a foreign key constraint on a tabl... -1.63
How do you merge tables with autonumber primary keys? -0.13
Are there any cases where MS Access is a better choice than SQL Ser... -0.91
What is the difference between Primary Key and unique key constraint? -1.12
How to transfer data from Microsoft Access to SQL server 2008? -0.30
Primary Key and ER models +1.52
"There can only be one IDENTITY column per table" - Why? -1.19
relational algebra to SQL converter or vice versa 0.00
UNIQUE argument for INDEX creation - what's for? +0.46
Unique index or unique key? -0.29
Is database index useful if query returns all rows? +0.27
Databases and 3rd Normal Form +1.56
How important is database normalization in a very simple database? +0.23
Is there a view in SQL Server that lists just primary keys? -1.72
Datawarehouse Fact table question -0.99
T-SQL. Still need an identity value from SuperType table although t... +2.41
When NOT to use NoSQL? -0.27
How badly should I avoid surrogate primary keys in SQL? -0.83
Does MySQL ignore null values on unique constraints? -0.80
Select three rows when two of them need to be unique (SQL) +1.28
What do I need to know about working with huge databases? +0.10
Does the SQL Server clustered index replace the RID lookup "in... +0.07
What are the pitfalls and advantages of using the following two dat... +0.41