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16

query hint

) instances (for every result of step 1) ---------------------------------------------- [Step 2a] Iterate ... ) instances. [Step 2c] Filter the results of step 2b retaining only results that satisfy: (v$2.doubleValue=1). [Step 2d] Filter the results of step 2c retaining only results that satisfy: (v$2.name
3

distinct(distinct)

) Specify whether duplicate query results will be eliminated. A true value will cause duplicates ... , duplicate results must be retained. Parameters: distinct - boolean value specifying whether duplicate results must be eliminated from the query result or whether they must be retained Returns: the modified query Since: JPA 2.0
3

javax.persistence.PessimisticLockException

. For subclasses that do not override this method, the default implementation returns the same result as ... that is the value of the field System.err. The first line of output contains the result of the toString ... . The result is the concatenation of: the name of the class of this object ": " (a colon and a space
3

java.lang.Exception

result as getMessage(). Returns: The localized description of this throwable. Since: Java JDK1.1 String ... that is the value of the field System.err. The first line of output contains the result ... of this throwable. The result is the concatenation of: the name of the class of this object ": " (a colon
2

queries under 2.7.6_4 significantly slower than under 2.7.6

ObjectNode (v$1) instances (for every result of step 1) ------------------------------------------ [Step ... the results of step 2b retaining only results that satisfy: or(and((v$1.objectNameUpper='SENKEN ... ='(TC)'))). Step 3: Process ObjectProperty (v$2) instances (for every result tuple of the steps
0

javax.jdo.JDODetachedFieldAccessException

override this method, the default implementation returns the same result as getMessage(). Returns ... that is the value of the field System.err. The first line of output contains the result of the toString() method ... a short description of this throwable. The result is the concatenation of: the name of the class
0

javax.jdo.JDOFatalInternalException

result as getMessage(). Returns: The localized description of this throwable. Since: Java JDK1.1 ... contains the result of the toString() method for this object. Remaining lines represent data previously ... description of this throwable. Returns a short description of this throwable. The result
0

javax.jdo.JDOFatalException

implementation returns the same result as getMessage(). Returns: The localized description ... . The first line of output contains the result of the toString() method for this object. Remaining lines ... . The result is the concatenation of: the name of the class of this object ": " (a colon and a space
0

javax.jdo.JDOUserException

, the default implementation returns the same result as getMessage(). Returns: The localized ... System.err. The first line of output contains the result of the toString() method for this object ... of this throwable. The result is the concatenation of: the name of the class of this object ": " (a colon
0

javax.jdo.PersistenceManagerFactory

that the server has the same TimeZone ID as the client. If incorrectly set, the result of PersistenceManager ... () The application can determine from the results of this method which optional features, and which query languages are supported by the JDO implementation. The application can determine from the results

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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