Shannon Severance

Shannon Severance has asked 5 questions and find answers to 74 problems.

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Shannon Severance questions

Find the Hardy–Ramanujan number using R5RS scheme. Please suggest improvements in idiom and calculations.
How do I test whether a variable is defined before referencing it?
CHECK CONSTRAINT of string to contain only digits. (Oracle SQL)

Shannon Severance answers

Help me with this SQL: 'DO THIS for ALL ROWS in TABLE'
write chars into DB with correct character-set
Copying a row in the same table without having to type the 50+ column names (while changing 2 columns)
SQL plan compilation and truth tables
How can I sort by a table column in varying cases (Oracle)
Truncating timestamps
Oracle search text with non-english characters
Why is the plus sign (+) before a string value accepted in Oracle?
ORACLE Batching DDL statements within a Execute Immediate
Increase maximum recursion depth when querying table-valued function