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I have a compound trigger and in the after statement I have an update to other table that has also a compound trigger, like in the code below:
create or replace trigger TRIGGER for insert or update on TABLE COMPOUND trigger after STATEMENT is begin update...
Started by Joao on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Or replace 2 trigger t1_compound 3 for insert or update on t1 4 compound trigger 5 6 after statement is 7 4 compound trigger 5 6 after statement is 7 begin 8 update t3 set t2_id = nvl(t2_id,0) + 1 where.
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What are the down sides of using a composite/compound primary key?
Started by JKueck on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
The main downside of using a compound primary key with two candidate keys: one simple (single....
Wrong with having a compound key per se, but a primary key should ideally be as small as possible be placed directly on the table for convenience.
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I am working on a windows form application. How do i use the find method of a datatable to find a row if the datatable has a compound key?
Table Structure Col A, Col B, Col C
Col A and Col B make up the compound key. I want to find the row where the value...
Started by Kalel on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
If your datatable is in variable dt...,
dt.PrimaryKey = new DataColumn[] {dt.Columns["ColA"], dt.Columns["ColB"]};
Then pass an array of object vlaues to... .
When you "set" the Primary key of the datatable, the parameter value is an array of DataColumns.. .
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Every now and then I have to work with hardware, be it assembling a new box, or just cleaning it a little bit, and I always have this question: how should I apply the thermal compound to the CPU? When should I have to do it (should I clean it and apply...
Started by Flávio Amieiro on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at serverfault):
I apply a very small amount and then user a razor blade to spread it thinly across... .
Thinly and evenly compound to a CPU just before I install the heat sink.
You should always clean off all the old compound before applying new compound.
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I have a junction table in my SQL Server 2005 database that consist of two columns:
object_id (uniqueidentifier)
property_id (integer)
These values together make a compound primary key.
What's the best way to create this PK index for SELECT performance...
Started by frankadelic on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
A separate, nonclustered index can then be applied to the compound key.
A clustered index applied.
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Hi -
I'm starting a project which requires reading outlook msg files in c#. I have the specs for compound documents but am having trouble reading them in c#. Any pointers would be greatly appreciated.
Thanks.
Started by cciotti on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Also, make sure that you release the com references after you ... .
MailItem Interface should be the interface that you need to access it .
While I have never used the outlook interop, you SHOULD be able to open the email messages with it .
Outlook Interop.
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I read about Compound property names in the " The Spring Framework (2.5) - Reference Documentation - chapter 3.3.2.7 "
Can i use the same concept to set values of properties? Can i use a compound string as a value expression?
<bean id="service1" class...
Started by Daniel Murygin on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
I don't recall having seen any mention of calling....
Edit: (Oh I see what you are asking.) I think that the answer is no .
Spring's XML wiring syntax supports lists, maps and properties objects, and you can create other 'data' objects via property editors .
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I'm having trouble getting a LINQ compound select to compile. Here is the code:
int[] numbersA = { 0, 2, 4, 5, 6, 8, 9 }; int[] numbersB = { 1, 3, 5, 7, 8 }; var pairs = from a in numbersA, b in numbersB where a < b select new {a, b};
The code is from...
Started by Chris on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
You probably meant to say:
var pairs = from a in numbersA from b in numbersB where a < b select new {a, b};
If I understand... .
You should repeat the whole from clause.
From clause supports a single collection only.
Your code is not a valid LINQ expression.
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I have run into a situation where I want to ensure that a compound element of a table is unique. For example:
Table ( id char(36) primary key, fieldA varChar(12) not null, fieldB varChar(36) not null )
I don't want fieldA and fieldB to be a compound primary...
Started by BigDave on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
You can add an UNIQUE key constraint on the two fields:
ALTER TABLE `table_name` ADD UNIQUE ( `fieldA`, `fieldB` );
Add a UNIQUE key to your table definition:
Table ( id char(36) primary key, fieldA varChar(12) not null, fieldB varChar(36) not null, ... .
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I want to make an entity that has an autogenerated primary key, but also a unique compound key made up of two other fields. How do I do this in JPA?
I want to do this because the primary key should be used as foreign key in another table and making it...
Started by homaxto on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
You can use @UniqueConstraint something like this :
@Entity @Table(name = "dm_action_plan" uniqueConstraints={@UniqueConstraint(columnNames={"command","model")}) public class ActionPlan { @Id private int pk; @Column(name = "command", nullable = false)... .
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