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Manual
3

FROM clause (JPQL / Criteria API)

have any matching inner value it gets at least a NULL value as a matching value in the FROM iteration
Manual
3

JPA Primary Key

values. Obtaining the Primary Key JPA 2 provides a generic method for getting the object ID (primary key
Manual
3

WHERE clause (JPQL / Criteria API)

, the WHERE clause gets an opportunity to function as a filter. The boolean expression in
Issue
3

Best practise loading big data

then our application gets into trouble. So we need a solution for this serious issue. We would like to know ... 2.000.000 MyValue objects I open the DB connection, create an entitiy manager and start to read ... expected - normally enhancement speeds up the application. At start of reading, the DB can deliver
Issue
3

Pessimistic lock timeout - blocks indefinitely

!). However, this is the output I get: Starting... updater3 starting updater4 starting updater0 starting updater2 starting updater1 starting updater1 LockTimeoutException updater2 LockTimeoutException updater3 LockTimeoutException updater4 changing name from start to updater4 updater4
Manual
2

Auto Generated Values

sequence numbers to start with 1 in the TABLE strategy initialValue=0 has to be specified in the @SequenceGenerator annotation.
Result
2

Company

500 companies as well as smaller companies and start-ups, governments and defence forces
Result
2

Consulting and Training

their knowledge. The course starts very quickly with the basics of JPA and creating a project
Manual
2

Database Management Settings

the background index activation is completed, ObjectDB can start using the new indexes to accelerate
Manual
2

GROUP BY and HAVING clauses

with names that start with that letter and the number of different currencies that are used by