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Java Database Q&A » derby » Update 

1. Update several columns at once in Derby    stackoverflow.com

DB2 supports this syntax:

UPDATE DEST D SET (AAA,BBB) = (
    SELECT MAX(Z.AAA), MAX(Z.BBB) FROM OTHER O WHERE O.ID = D.ID
)
i.e. I can run a select which returns more ...

2. How can I emulate UPDATE x SET (col1, col2) = ( SELECT a,b FROM y ) in Derby?    stackoverflow.com

Derby doesn't support this syntax:

UPDATE x SET (col1, col2, ...) = ( SELECT a,b,... FROM y ... )
(see this bug). Does anyone have a workaround other than creating a ...

3. Table record update stopped by Foreign key constraint    stackoverflow.com

I have a problem in updating records to a derby db table with foreign key. Consider the two tables QUESTIONCHOICE and QUESTIONANSWER below. The records in table QUESTIONANSWER is a subset ...

4. SQL Update one table comparing info from two tables    stackoverflow.com

I have the following problem: Let's suppose I defined TWO tables USERS

ID (int. key)  
NAME (String)  
SALARY (currency)   
USERSADD
ID (int. key)  
TYPE (String)
The 2nd ...

5. When and how is the Java DB updated and synced with Apache Derby?    stackoverflow.com

Oracle ships the JDK with "JavaDB" which is more or less a rebranded version of Apache Derby. Is Java DB updated and synced continually with each update release ...

6. on update cascade with derby 10.4.2.0    forums.netbeans.org

Hello folks, Sorry this is not a NB related questions. 1- Can I do "ON UPDATE CASCADE" with Derby 10.4.2.0? Last I checked CASCADE isn't supported with on update. 2- Is "cascade=CascadeType.ALL" the right parameter in OneToMany relationship with the above constraint? Thanks for your time, Daoud AbdelMonem Faleh. -- http://kissthedots.blogspot.com/ "Le dieu n'est pas a craindre ; la mort ne ...

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