ObjectDB Database Search

Hi, I want to drop one column from my database table suppose i have 3 column (id, name, address) now i want to drop address. then what will be the query or procedure..   Bimal Bimal kumar dalei ... Support Hi But it physically present and logically it will not display. If a want to drop or delete

impossible to drop a table with 50 million objects

, except for schema updates. The element The drop attribute of the element specifies a comma ... tests. The content of these temporary databases is deleted when you use the drop URL connection

schema management, such as creating, dropping , or truncating schemas. Use this interface

You should be able to drop the entire database if its file is not locked by Glassfish. See the connection ... ) the drop parameter has to be specified:   EntityManagerFactory emf =       Persistence.createEntityManagerFactory("objectdb:myDbFile.tmp; drop "); But I am obtaining

In this final step we will add a simple table to the report: Open the [Insert Table] dialog box by dragging a Table from the [Palette] window and dropping it on the report design (.rptdesign ... the data set in the [Data Explorer] window (under the data set node) and dropping them on the second

to update/remove a large number of objects? I've had success with the " drop " keyword in ... based databases (in server mode the database is locked so drop can't be used). The only method I've ... , would be more efficient. drop in the connection url should work also in server mode if the database is not in use by

"); //; drop em = emf.createEntityManager(); } synchronized void closeDB(){ em.close(); emf.close(); } void ... ( "objectdb:$objectdb/db/testc.tmp"); //; drop em = emf.createEntityManager(); } synchronized void closeDB ... :$objectdb/db/testc.tmp"); //; drop em = emf.createEntityManager(); } synchronized void closeDB(){ em.close

the file system and drop it in the WebContent/WEB-INF/lib node in the Eclipse Project Explorer

In this step we will add a simple chart to the report: Open the [New Chart] dialog box by dragging a  Chart from the [Palette] window and dropping it on the report design (.rptdesign) layout. In the [Select Chart Type] tab select Tube as the chart type and click Next . In the [Select Data

), there is a massive drop in performance. We have already seen that queries take more than 20 seconds ... of this? We are not aware of this issue (no previous reports). A drop in performance from a few milliseconds ... drop . ObjectDB 2.x does use RandomAccessFile . ObjectDB 3.0, which is currently under development

.createEntityManagerFactory( "objectdb:$objectdb/db/test.tmp; drop "); System.out.println(emf.getProperties ... instead of test. odb ? What does the keyword drop at the end of the line do? ThreaT Ashton Hogan The drop parameter  indicates a request to discard an old database (if exists) and create a new empty

.createEntityManagerFactory("objectdb:test.tmp; drop "); EntityManager em = emf.createEntityManager ... example: public static void main(String[] args) { // no drop - reuse the existing file

.createEntityManagerFactory("./test.odb; drop "); EntityManager em = emf.createEntityManager(); em.getTransaction ... = Persistence.createEntityManagerFactory("./test.odb; drop "); EntityManager em = emf.createEntityManager(); em

(shown below), which appears to cause the problem.  I am using the ObjectDB server.  I drop ... ;password=admin; drop " EntityManager em = emf.createEntityManager(); em.getTransaction().begin(); MyEntity

;      "objectdb:$objectdb/db/test.tmp; drop ");       ... ;   "objectdb:$objectdb/db/test.tmp; drop ");        

= Persistence.createEntityManagerFactory("target/test.odb; drop "); EntityManager em = emf ... ;  "objectdb:test.tmp; drop ");         EntityManager em = emf

; drop "             );      ... /db/test.tmp; drop "             );   

;   .createEntityManagerFactory("objectdb:$objectdb/db/test.tmp; drop ");   EntityManager ... :$objectdb/db/test.tmp");   //no drop - reuse the existing file   EntityManager em = emf

; drop ");         EntityManager em = emf.createEntityManager ... ( "objectdb:test.tmp; drop "); EntityManager em = emf.createEntityManager(); em.getTransaction().begin

; "objectdb:$objectdb/db/test.tmp; drop ");         EntityManager em = emf ... ; "objectdb:$objectdb/db/test.tmp; drop ");         EntityManager em

drop it in the JBoss's deploy directory, start JBoss ( run ) and open the browser at  http

/test.tmp; drop ");         EntityManager em = emf

= Persistence.createEntityManagerFactory("objectdb:$objectdb/db/test.tmp; drop ");      

if one could simply drop the objectdb bundle into the runtime, request a reference to the Factory and not having

;  .createEntityManagerFactory("objectdb:$objectdb/db/test.tmp; drop ");   EntityManager em;   for (int i = 0; i

; "objectdb:test.tmp; drop ");             

;    "objectdb:$objectdb/db/test.tmp; drop ");        

) look like this org.hibernate.dialect.HSQLDialect thread 10 true false false create- drop I need

;dbUrl += "; drop ";         EntityManagerFactory emf = Persistence

; "objectdb:$objectdb/db/test-my-entity.tmp; drop ");        

;        "objectdb:$objectdb/db/test.tmp; drop ");    

"); //; drop           }        

; "objectdb:test.tmp; drop ");                

support of "; drop " database url parameter. Adjusted the Enhancer to the new Java 7 class file format

;  "objectdb:$objectdb/db/test.tmp; drop ");        

:$objectdb/db/test.tmp; drop ");   EntityManager em = emf.createEntityManager();   em

; drop ");         EntityManager em = emf.createEntityManager

/test.tmp; drop ");         EntityManager em = emf

;             String dbUrl = "objectdb:F2640.tmp; drop ... ) { EntityManagerFactory emf = Persistence .createEntityManagerFactory("objectdb:c:\\test.tmp; drop ... ;             String dbUrl = "objectdb:F2640c.tmp; drop

:$objectdb/db/test.tmp; drop ");         EntityManager em = emf ... ;          "objectdb:$objectdb/db/test.tmp; drop ");  

; EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb:$objectdb/db/test.tmp; drop ");   ... ;     "objectdb:$objectdb/db/test.tmp; drop ");       

.createEntityManagerFactory("objectdb:$objectdb/db/test4.tmp; drop ");   EntityManager em = emf ... ;           "objectdb:$objectdb/db/test4.tmp; drop

("objectdb:db/test.tmp; drop ");   EntityManager em = emf.createEntityManager();   // Add some data

;           "objectdb:$objectdb/db/test.tmp; drop

:$objectdb/db/test.tmp; drop ");   EntityManager em = emf.createEntityManager();   // Persist

:$objectdb/test.tmp; drop ");         EntityManager em = emf

;      "objectdb:db/test.tmp; drop ");       

Added the ability to edit databases in the Explorer ( issue #2 ). Added the ability to execute queries in the Explorer (issue #3 ). Other small Explorer improvements. Added support of IN operator in JPQL queries. Added support of "; drop " database url parameter. Adjusted the Enhancer to the new

;      "objectdb:$objectdb/test.tmp; drop ");