Database Administrators
Hannah Vernon's user avatar
Hannah Vernon's user avatar
Hannah Vernon's user avatar
Hannah Vernon
Moderator
  • Member for 11 years, 3 months
  • Last seen this week
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About

Hannah Vernon

My pronouns are she/her.

Microsoft Certified Azure Database Administrator Associate
Microsoft Certified Azure Fundamentals

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Top posts
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All Questions Answers
Score Newest
answer
91
Best practice between using LEFT JOIN or NOT EXISTS
Nov 13, 2015
answer
85
Is there any limit to the number of databases you can put on one SQL server?
Aug 29, 2017
question
75
MAXDOP setting algorithm for SQL Server
Mar 12, 2013
answer
47
Performance of a=0 and b=0 and ... z=0 vs a+b+c+d=0
Mar 29, 2016
answer
46
How to determine if there are [idle connections with] uncommitted transactions in PostgreSQL?
Apr 11, 2013
answer
45
Which database could handle storage of billions/trillions of records?
Mar 28, 2013
answer
45
varchar(255) or varchar(256)?
Aug 11, 2017
answer
45
Eliminate Key Lookup (Clustered) operator that slows down performance
Aug 10, 2017
answer
44
CPU clock speed versus CPU core count - higher GHz, or more cores for SQL Server?
Apr 4, 2017
question
40
Why does CREATE INDEX ... WITH ONLINE=ON block access to the table over a period of minutes?
Apr 29, 2013
Top Meta posts
24
60
25
Ongoing Moderation Strike
20
Are two answers by a single person on one question A Good Thing™?
18
Minimal, Complete, and Verifiable Example
18
Disclosures, every post/comment or is profile enough?
15
Is this ageism or acceptable humour?
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137
The company’s commitment to rebuilding the relationship with you, our community
58
What happens if I buy Bitcoins and the price goes down?
24
Database design : preferred field length for file paths
23
tSQL - Conversion from varchar to numeric works for all but integer
22
Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood

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