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Tutorial
12

Getting Started with JPA and Eclipse

and menus might look slightly different but the code would be the same). This tutorial consists of the following steps:
Tutorial
12

Getting Started with JPA and NetBeans

might look slightly different but the code would be the same). This tutorial consists of the following steps:
Tutorial
12

Report Generation with BIRT and JPA

will be presented in the BIRT report using a chart and a table: The tutorial consists of the following steps
Issue
12

Issue with UPPER ?

====================== Step 1: Process Mitglied ($1) instances --------------------------------------- [Step 1a ... ($1) instances. [Step 1b] Evaluate fields in Mitglied ($1) instances. Step 2: Process IndividualProfile ($3) instances   (for every result of step 1
Issue
11

combined index not used

'). Step 6: Group results --------------------- Group the results of step 5 by: a.endDate,v$1 ... ) and (a.objectsInCharge.properties.name = 'scheduledSlot') GROUP BY a.endDate, a.objectsInCharge ... ====================== Step 1: Process Action (a) instances
Forum
9

composite index not used in query

used, query plan:  Step 1: Process Action (a) instances ------------------------------------ [Step 1a] Scan index com.agile.hummingbird.Action[startDate] locating all the Action (a) instances. [Step 1b] Filter the results of step 1a retaining only results that satisfy: (a.startDate>:1
Forum
7

Performance issue in a query due to compareTo calls

are involved. You can improve the performance of queries by using indexes but the index step.stepNumber ... WHERE v.step.stepNumber = ? is very slow in comparing to the query: SELECT v FROM Values v WHERE v ... , cascade = CascadeType.REMOVE) private Values valuesRef; }   @Index (members = {"step.stepNumber
Forum
6

Slow searching with two indexes

(this) instances that satisfy: (this.receiver==:r). [Step 2] Order the results of step 1 by ... 2] Retrieve fields in NmeaBatch (this) instances. [Step 3] Order the results of step 2 by ... that only has a few tens of different values.   When I query by just the primary key, it's (of course) extremely
Forum
6

Performance in large transactions

  and  test2_ManyTransactions), mentioned in step 3, are not found in the projects. Please follow ... ; public class TransactionsPerformance { static int steps = 10000; public static void main ... );   for (int m = 0; m < steps; m++) {    TypedQuery q = em.createQuery("SELECT m FROM MyEntity
Forum
5

Dependency from enhanced classes to the objectDB library

, it worked. Can you tell us what we did wrong? Please provide step by step instructions on how to use ... ) at java.lang.ClassLoader.loadClass(Unknown Source) ... 78 more   How to use the example step-by ... ) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) Caused by: java.lang.ClassNotFoundException