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Entity with java.util.Date column gives ClassCastException in BIRT

)     private long id;     private String name;     private boolean privacy;     @Column(name ... : Cannot get the timestamp value column: 3.     org.eclipse.datatools.connectivity.oda.OdaException

Unable to create 128 column of a table.

Hi, Can we create 128 column of table? am getting following error. java.lang.ArrayIndexOutOfBoundsException: -128 at com.objectdb.o.ALS.g(ALS.java:135) at com.objectdb.o.ANT.G(ANT.java:594) at com.objectdb.o.ANT.x(ANT.java:526) at com.objectdb.o.SCM.o(SCM.java:175

How can allow multiple null value in a Unique column.

be defined as unique. support Support How can i apply Unique in not null value of a Column? Eg: Name

How to delete a specific column data form a entity.

query instead and set the field (column) to null. support Support Ok Tank you Manoj Manoj Kumar Maharana

Make Column values Case insensitive

How do make table column values to case insensitive in object db 2.8.1 version? objdbuser This is currently not supported. A possible workaround is to keep a case-insensitive copy of the relevaant string in a separate field. e.g. in a lowercase format. support Support


the mapping for the key column of a map whose map key is a basic type. If the name element is not ... ; ... @ElementCollection @MapKeyColumn(name="IMAGE_NAME") @Column(name ... ) The SQL fragment that is used when generating the DDL for the column. (Optional) The SQL fragment

Comparison in JPQL and Criteria API

The following table shows how NULL values are handled by each comparison operator. One column presents a comparison of NULL value with a non NULL value. The other column presents a comparison of two NULL

Step 6: Design a BIRT Report Table

. Set the column number to 2, number of details to 1, select the data set (e.g. Points by X) in the third field and click OK. Fill the table with data by dragging the x and y columns from the data set


column Name of the column in the join table. Name of the column in the join table. Returns: the name of the column in the join table Default value: "" Since: JDO 2.1 Column[] columns Detail definition of the join column(s). Detail definition of the join column(s). This is needed

[ODB1] Chapter 9 - ObjectDB Explorer

visual database tools. Every row in the table represents a single object, every column represents ... columns in Table viewer windows. The "Browser View" determines which fields are displayed as child

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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