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nvogel

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1509.94 (71,051st) 		Reputation
21,224 (6,313th)
Page: 1 2 3 ... 17
Title Δ
SQL Composite Key -0.48
What's the best equivalent for number(2, 4) from Oracle on the... 0.00
selecting minimum value depending on other value +2.39
Improving horrible MERGE performance +0.00
Surrogate vs Natural Primary Keys, *SPECIFICALLY* in a Data Warehou... 0.00
Does always weak entity need a partial key? 0.00
Table has no natural keys in SQL Server +1.69
Is there a way to have a ternary relationship where one of the thre... +0.28
What is the Postgres MD5() equivalent in SQL Servrer? 0.00
How to make a common auto increment id for two tables 0.00
Should my ID be auto-increment or Varchar? -0.01
Duplicate primary keys in many-to-many relationship +0.08
Does uniqueness of a non-key attribute violate 3NF? +0.49
Primary key requirements -0.26
How does 5NF work with original table with ID Column 0.00
what is Partial Dependency 0.00
How to guarantee a table with exactly one row and one column? +1.39
Primary Key Theory & I/O Efficiency -2.11
Weak entities: how to express in ORM? -2.01
How do I model multiple object oriented composition relationships i... 0.00
SQL table view JOIN returning minimum value -0.45
Why don't database systems support 1:M and 1:1 relationships di... 0.00
Is my database design consistent with RDMS 0.00
Weak entity with 2 different owner entities 0.00
Can SQL Server transactional table have a surrogate key as its prim... 0.00
Auto incrementing from two different points on the same table? -0.60
Is it possible to express a not null constraint using relational ca... 0.00
Microsoft T-SQL does not support more than one Primary Key; Suggest... +0.48
Why in a relation one to many (1-N) always primary key one side put... 0.00
Is there ALWAYS a "base table" in any database query? +0.11
Non-First Normal Form natural join operation 0.00
What are some good candidate keys for ‘person’? +1.75
Using circular FK references in a database -0.94
Can a relationship have a unique attribute? E-R Diagram E-R model 0.00
how to use a datediff together with a count having statement +0.48
Better to use foreign key or to assign unique ids? +1.58
One to Many Relationship in DB design which will direct to differen... 0.00
Composite key comprised of primary key and unique keys in mysql? +1.61
ER Diagram is this possible with recursion 0.00
SQL Server: Ways to impose Uniqueness on columns from two different... +0.50
How to classify this schema? 0.00
Having more than one Attribute be a Primary Key for an Entity? +2.12
How to disconnect this loop relation 0.00
In SQL Server how to get unmatched records from one table +1.14
Detaching a database as a backup strategy 0.00
Database Algebra: derivate properties out of database structure 0.00
Database how to model Investment Relationship 0.00
What are the unique field variations in a table -1.53
Expressing many-to-many that is many-to-one with respect to a given... 0.00
Truncate can be rollbacked or not 0.00