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Joe Celko

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Latest from Joe Celko

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Data Management
Celko SQL Puzzle: Calculating CommissionsCelko SQL Puzzle: Calculating Commissions
byJoe Celko
Sep 2, 2008
3 Min Read
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Data Management
Celko on SQL: Dividing the SpoilsCelko on SQL: Dividing the Spoils
byJoe Celko
Sep 2, 2008
4 Min Read

All from Joe Celko

Data Management
Celko's Theater-Seat-Assignment SQL Puzzle
Celko's Theater-Seat-Assignment SQL Puzzle
Nov 5, 2007
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6 Min Read
byJoe Celko
IT Sectors
Celko on SQL: Auxiliary Tables vs. Declarative Coding
Celko on SQL: Auxiliary Tables vs. Declarative Coding
Nov 5, 2007
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2 Min Read
byJoe Celko
Data Management
And the 'Email Validation' SQL Puzzle Winner Is...
And the 'Email Validation' SQL Puzzle Winner Is...
Sep 27, 2007
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3 Min Read
byJoe Celko
Data Management
Celko's Email-Address-Validation SQL Puzzle
Celko's Email-Address-Validation SQL Puzzle
Sep 17, 2007
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2 Min Read
byJoe Celko
IT Sectors
Celko on SQL: Natural, Artificial and Surrogate Keys Explained
Celko on SQL: Natural, Artificial and Surrogate Keys Explained
Sep 16, 2007
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9 Min Read
byJoe Celko
Data Management
Celko's 'Can't Be Your Own Supervisor' SQL Puzzle
Celko's 'Can't Be Your Own Supervisor' SQL Puzzle
Aug 20, 2007
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5 Min Read
byJoe Celko
Data Management
Celko On SQL: Identifiers and the Properties of Relational Keys
Celko On SQL: Identifiers and the Properties of Relational Keys
Aug 19, 2007
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8 Min Read
byJoe Celko
Data Management
Cooking an old puzzle
Cooking an old puzzle
Apr 25, 2005
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4 Min Read
byJoe Celko
Data Management
More on streaming databases
More on streaming databases
Apr 16, 2005
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2 Min Read
byJoe Celko
Data Management
An Old Celko Puzzle
An Old Celko Puzzle
Mar 25, 2005
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2 Min Read
byJoe Celko
Data Management
Hello everyone!
Hello everyone!
Mar 15, 2005
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3 Min Read
byJoe Celko
Data Management
CSI: Data Warehouse
CSI: Data Warehouse
Nov 24, 2004
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4 Min Read
byJoe Celko
Data Management
Keys to the Database
Keys to the Database
Oct 19, 2004
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4 Min Read
byJoe Celko
Data Management
A Question of Quality
A Question of Quality
Aug 25, 2004
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4 Min Read
byJoe Celko
IT Sectors
Stepping Up to the Plate
Stepping Up to the Plate
Jun 2, 2004
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4 Min Read
byJoe Celko
IT Sectors
Over There
Over There
Mar 23, 2004
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3 Min Read
byJoe Celko
IT Sectors
Are We There Yet?
Are We There Yet?
Mar 5, 2004
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4 Min Read
byJoe Celko

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