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Walter Mitty

Retired DBA, programmer

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Top Questions
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79
What should every developer know about databases?
stackoverflow.com

17
Database Design - Multiple Lookup/Enum Tables or One Large Table?
stackoverflow.com

11
When to use SQL Table Alias
stackoverflow.com

11
Are nulls in a relational database okay?
stackoverflow.com

11
Is it important to place question and exclamation marks at the start of sentence?
spanish.stackexchange.com

10
In SQL, how can you “group by” in ranges?
stackoverflow.com

10
Is there ever a time where using a database 1:1 relationship makes sense?
stackoverflow.com

9
Stacks - why PUSH and POP?
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9
How do composite indexes work?
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8
When two tables are very similar, when should they be combined?
stackoverflow.com

8
Why do ads for s/w engineers always say they “offer a fast-paced environment”?
programmers.stackexchange.com

7
Is there a difference between commit and rollback in a transaction only having selects?
stackoverflow.com

7
Why does Oracle 9i treat an empty string as NULL?
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7
Can I have multiple primary keys in a single table?
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7
In terms of databases, is “Normalize for correctness, denormalize for performance” a right mantra?
stackoverflow.com

7
How can I avoid NULLs in my database, while also representing missing data?
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7
How can you translate the word “whatsoever” to spanish?
spanish.stackexchange.com

6
What's the difference between TRUNCATE and DELETE in SQL
stackoverflow.com

6
performance - single join select vs. multiple simple selects
stackoverflow.com

6
ORACLE Table design: M:N table best practice
stackoverflow.com

6
Why does “bomba” mean so many different things?
spanish.stackexchange.com

5
SQL to find duplicate entries (within a group)
stackoverflow.com

5
What does Codd's 'non-subversion rule' mean?
stackoverflow.com

5
When should I use C++ instead of SQL?
stackoverflow.com