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String Contains Query Result - Possible?

Hi, I have a managed database for an Entity, "Program", containing a String field, "description", that is effectively a unique sub-string of a system generated description. Example: System: For Series Sales usage: 6014-Private Individual Swim Lessons  10-Pack Database: 6014-Private Individual Swim
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type.loader java.lang.ClassNotFoundException

about unique primary keys/ids on initial startup entity creation/wiring). Q: Is there anywhere else I
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Using multiple databases

Is it possible for an ObjectDB PersistenceManger/EntityManager to connect to more than one database at a time? Also, can objects in one database reference objects in another database (e.g. through globally unique identifiers)? You can use as many databases as needed at the same time but each
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using objectdb.jar in writing data to mariadb or mysql db

to mariadb or mysql using native java JPA API and in some cases JPQL or must i store to an Objectdb unique
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Updating existing persistence entries

row in the DB by the matching and unique ID field. Is there a similar option für ObjectDB? If I
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IN expression in a Criteria Query

that are used for grouping (each group has unique value combination). Aggregate calculations (count, sum
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Query can't see recently persisted object

( { @Index( name = "MyClass_ind_1", members = { "oid" }, unique = "true
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how to create only table structure.

hi, I want to create only a table without insertions of data. And also table contains constraints like not_null, unique, primary key etc. Ex: (In sql) create table emp (id int(5) primary key, name varchar2(20)); , so it will create only table. when we want to see the table structure then "desc emp
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is JDO field attribute "indexed" supported?

" indexed="unique"...> or indexed="true". It doesn't seem to be mentioned on the JDO annotations
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[ODB1] Chapter 4 - JDO Metadata

identity supported by ObjectDB. To enforce unique values in a field you can define a unique index as ... that every String or Date is stored as a non embedded object (with a unique object ID). The embedded-key ... indexes for two fields. Field f0 has an ordinary index and field f1 has a unique index. A field