Marmite Bomber

Marmite Bomber has asked 4 questions and find answers to 48 problems.

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Marmite Bomber questions

Order Independent Hash in Java
Abbreviation of Strings that Remains Unique
How to describe performance issue in relational database?

Marmite Bomber answers

Select a random row from Oracle DB in a performant way
Understanding JPA sequence generator
Oracle: Conditional not-null constraint when both conditions are true
How can I capture query sent from Java (tomcat) to an Oracle DB?
Best approach to implement inheritance in a data warehouse based on a postgres database
The best way for storing hash in database
Massive UPDATE vs. MERGE performance on Oracle
Can i change range interval partition from month to day in oracle
Does Oracle store trailing zeroes for Number data type?
How to insert/update a single record using a MERGE statement with Spring JDBC