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PerformanceDBA

Rating
1555.26 (6,556th) 		Reputation
22,587 (5,800th)
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Title Δ
Database Modeling: Facebook like messages +0.49
Primary keys, UUIDs, RecordKey tables, oh my +0.01
Mysql keep track of user likes and dislikes -0.89
What is the most compact way to represent a database? -0.47
How to identify duplicate items gathered from multiple feeds and li... +0.00
Get permissions for stored procedure in sybase +0.51
Why (and how) to split column using master..spt_values? +0.52
Import backed-up SQL Anywhere 10 .db file into MySQL 5.1 +0.51
What is the purpose of system table table master..spt_values and wh... -0.48
Should I store file in database or just the location to that file? +0.28
Hundreds of aliases/synonyms vs database tables' fully qualified na... +0.37
Best way to optimize SQL for Pivoting a table in Sybase Ase +0.22
Can this be done in one query? +0.81
How to turn 2 queries with common columns (A, B) and (A, C) into ju... +0.22
How to turn 2 queries with common columns (A, B) and (A, C) into ju... -0.55
What is best practice for representing time intervals in a data war... -1.14
Database Design: what's the point of identifying foreign keys? +0.23
Data Modeling: hierarchy of geographic locations 0.00
Data Modeling: ethnicities with parent-child relationship? +0.10
Table with 2 fields but only one can be used at a time -1.72
Sybase Dropping Temporary Table 0.00
relational database design (normalizing many-to-many mappings) -0.40
Difference between a row-oriented and column-oriented databases in... -0.37
counting number of lines of a text file in a stored procedure 0.00
How to store custom user fields in database -0.39
Need alternative field names for these reserved words +1.87
Modeling courses and pre-requisites in the database +3.72
Is creating a "dummy record" to force data-base obey the... +2.26
Table design and class hierarchies -4.71
Calculate Daylight Savings Time (DST) on SQL/Database level +0.98
Deleting Data in Many-to-Many relationship or status = inactive +4.05
Adding columns to a sybase table with unique auto_identity index op... +4.47
Name database design notation you prefer and why? +3.43
How to develop a rapid database & web application using Sybase... +1.06
Database relation design - Relating two tables twice in different t... +0.10
When to use 1 to 1 tables in databases -2.15
Does adding "ID" field to database tables according to th... +0.63
What Db structure should I use with 2 the same comment tables for 2... -0.46
How to Get The Count or The Number Of Rows In A Result Set In PHP u... -3.06
How to check if a role exists in Sybase +0.03
String as primary KEY? -2.86
Can a linking table have two mutually exclusive columns? +4.00
Slow performing SQL query with triple self-join +3.52
SQL Server -> Sybase -0.03
design database relating to time attribute +3.63
Trapping Error 266 in SQL Server 2005 -2.34
How to embed a PDF file in a web site? -3.77
ERD - How to model a relation between two entites with a third enti... +0.63
Accounting Database - storing a transaction +5.88
Designing a database to contain databases ( database models ) +3.61