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Bill Karwin

I've been a software engineer since 1987, and my specialty is as an SQL maven. I also have experience programming in Java, Ruby, Python, Go, PHP, Perl, C, JavaScript, and I have many other coding skills.

I've written a book, SQL Antipatterns: Avoiding the Pitfalls of Database Programming from Pragmatic Bookshelf, based on the most common SQL problems I've answered on Stack Overflow and other forums, mailing lists, and newsgroups over the past 15 years.

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29 How to dive into an ugly database? Nov 10 '08
23 Is the concept of a clustered index in a DB design sensical when using SSDs? Nov 28 '11
23 MySQL - How to check for a value in all columns Sep 15 '19
19 InnoDB create table error: “Row size too large” Oct 6 '11
17 What are the drawbacks of using Galera Cluster instead of Master/Slave Replication? Dec 6 '13
17 How are auto_increment keys handled in INSERT (SELECT * FROM…) Mar 9 '14
12 Row size error with MySQL Aug 29 '14
10 Won't start: InnoDB: Corrupted page … Tablespace was not found Mar 26 '18
10 What happens to a transaction if the network connection fails? Mar 3 '14
10 mysqldump not escaping single quotes properly Nov 29 '12
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