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David Aldridge

Haddenham, United Kingdom

http://generalproducts.co

Bibliocloud Data Architect

Business Intelligence Architect, PostgreSQL developer, Ruby on Rails Developer, Oracle Data Warehouser, Survivor of Informatica and Business Objects

Oracle ACE

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Top Questions
Top Answers
437
Fetch the row which has the Max value for a column
stackoverflow.com

300
What's the difference between TRUNCATE and DELETE in SQL
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86
What is the difference between a hash join and a merge join (Oracle RDBMS )?
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81
How do you interpret a query's explain plan?
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77
Proper way of checking if row exists in table in PL/SQL block
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56
How to choose and optimize oracle indexes?
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56
How long will it take Marie to saw another board into 3 pieces?
math.stackexchange.com

48
When and why are database joins expensive?
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44
take vs first performance in Ruby on Rails
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43
How can I query Rails ActiveRecord data stored in arrays
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36
MySQL vs. SQL Server vs. Oracle
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35
Data got committed in another/same session, cannot update row (Oracle SQL Developer)
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31
ORA-04082: NEW or OLD references not allowed in table level triggers
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29
SQL to find the number of distinct values in a column
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29
Victorian Ship Weighing
worldbuilding.stackexchange.com

25
Should I index primary key column(s) in Oracle
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24
Can We use threading in PL/SQL?
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24
postgresql generate sequence with no gap
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22
Keep order from 'IN' clause
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22
PostgreSQL boolean cast (0 as false)
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21
How to store only time; not date and time?
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21
Generating Random Number In Each Row In Oracle Query
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21
Any performance impact in Oracle for using LIKE 'string' vs = 'string'?
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20
PL/SQL FOR LOOP IMPLICIT CURSOR
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19
how to find partition of record oracle
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18
Why are constraints applied in the database rather than the code?
dba.stackexchange.com

17
Partitioning vs Indexes
dba.stackexchange.com

16
Best beginner resources for understanding the EAV database model?
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15
Select count(*) from multiple tables
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15
Force index use in Oracle
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