Marmite Bomber

Marmite Bomber has asked 4 questions and find answers to 53 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

How to give a unique constraint to a combination of a column and a fixed value in Oracle?
Oracle index maximum key length exceeded
Alive or Idle connections on JDBC
Oracle SQL Order By with XML and Union ALL
Manually insert Data from database in table which has hibernate_sequence @GeneratedValue(strategy = GenerationType.TABLE)
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