triggers

Is it possible to have a database trigger on restore in SQL 2005 or 2008

I have some book keeping tasks (reset high water marks, clear some staged data) that need to be done after each restore of a QA database. I know that I can create triggers on databases in SQL but I do not seem to be able to find a way to do it on a database restore. Since I work on a team of people with shared ownership of the database...

Trigger Mouse Dragging in jQuery UI

Using jQuery 1.2.x and jQuery UI 1.5.x, one was able to trigger dragging manually like so: jQuery("#myDiv").mousedown(function(ev) { target = jQuery(ev.target); if (target.hasClass("drag-me")) { target.draggable({ helper: "clone", start: function() { console.log("drag start"); }, stop: function() { jQuery(this).dragga...

How can you get a XAML TextBlock to collapse when it contains no data?

I want to tell WPF: "If TextBlock contains no data, then don't show it." TRY #1 with a simple trigger produces the error "'Text' member is not valid because it does not have a qualifying type name.": <StackPanel Margin="10"> <TextBlock Padding="10" Background="Yellow" Text="{Binding MainMessage}"> <TextBlock.Triggers> ...

Keeping tables synchronized in Oracle

Hi, We're about to run side-by-side testing to compare a legacy system with a new shiny version. We have an Oracle database table, A, that stores data for the legacy system, and an equivalent table, B, that stores data for the new system, so for the duration of the test, the database is denormalized. (Also, the legacy system and table A...

Handle error in SQL Trigger without failing transaction?

I've a feeling this might not be possible, but here goes... I've got a table that has an insert trigger on it. When data is inserted into this table the trigger fires and parses a long varbinary column. This trigger performs some operations on the binary data and writes several entries into a second table. What I have recently discover...

Cascade Triggers in SQLite

I've the following DB structure in SQLite: I want to create a trigger that whenever I delete a country all the related districts, municipalities and parishes are also deleted (like MySQL InnoDB), I've tried using SQLite triggers and came up with this: Districts: CREATE TRIGGER [delete_country] BEFORE DELETE ON [countries] FOR EACH R...

Trigger to prevent infinite loop in a sql tree

I have node table with (NodeId, NodeName) and structure table (ParentNodeId, ChildNodeId). How can I write a trigger that check if an insert update or delete statement can cause infinite relation? ...

Weird trigger problem when I do an INSERT into a table

Hi folks, I've got a trigger attached to a table. ALTER TRIGGER [dbo].[UpdateUniqueSubjectAfterInsertUpdate] ON [dbo].[Contents] AFTER INSERT,UPDATE AS BEGIN -- Grab the Id of the row just inserted/updated DECLARE @Id INT SELECT @Id = Id FROM INSERTED END Every time a new entry is inserted or modified, I wish to update a si...

view when table or view last altered, sql server 2000

Is there a an easy way to see(timestamp) when a database was last altered within a sql 2000 instance? Apparently the solution is not as simple as 2005 where i can query the "sys.tables." ...

[Probably something stupid] Can't create trigger using SQLPlus in Oracle

I'm Learning Oracle and wanted to try creating a trigger. I tried this example form a book in sqlplus. SQL> CREATE OR REPLACE TRIGGER policy_bull BEFORE insert or update 2 ON emp 3 FOR EACH ROW 4 BEGIN 5 :new.salary := 200; 6 END 7 / ERROR at line 1: ORA-04089: cannot create triggers on objects owned by SYS even t...

How can I have an button call a server function and then update an update panel?

Hi, I have this layout: <div runat="server" OnClick="ChangeText()" id="button">Ok</div> <asp:UpdatePanel id="updater" runat="server"> <ContentTemplate> <div id="text">Hello</div> </ContentTemplate> </asp:UpdatePanel> I would like to have it so that when the button is clicked, the function ChangeText() gets called on t...

Are writing triggers in MS SQL server the same as writing them in MS Access?

I have written the following trigger in SQL server: create trigger test_trigger on invoice -- This is the invoice table for insert as declare @invoiceAmount int -- This is the amount specified in the invoice declare @custNumber int -- This is the customer's id --use the 'inserted' keyword to access the values inserted into th...

SourceName with MultiTriggers

Is it possible to use a multiTrigger to evaluate properties on multiple elements? That don't reside within a template, but are within the Usercontrol/Window. Example: <CheckBox x:Name="checkBox1" /> <CheckBox x:Name="checkBox2" /> <CustomControl> <CustomControl.ContentTemplate> <DataTemplate> ...

In DB2, is it possible to have just a single trigger for both update and insert?

I have to create the trigger(s) which will keep the audit of my table. The trigger is supposed to execute on both insert and update. currently i am having two triggers One for Insert: CREATE TRIGGER SCH.TRG_TBL1_AFT_I AFTER INSERT ON SCH.TBL1 REFERENCING NEW AS n FOR EACH ROW MODE DB2SQL INSERT INTO SCH.TBL1_AUDIT VALUES(...

Validating UPDATE and INSERT statements against an entire table

I'm looking for the best way to go about adding a constraint to a table that is effectively a unique index on the relationship between the record and the rest of the records in that table. Imagine the following table describing the patrols of various guards (from the previous watchman scenario) PK PatrolID Integer FK GuardID Integer...

MySQL - Update view column every time the row is SELECTed

Hi.. I have a table that has a "view_count" column. I would like to increment said column every time I select the row (even with a generic SELECT, such as SELECT * FROM table WHERE 1.. This would increment by 1 the view_count of all rows). Is there a way to do it automatically "server-side" (where mysql is the server and my application...

How can I get this DataTrigger to work?

I want my TextBox to have a red background if the ViewModel property = "invalid". What do I have to change so this works? This version tells me that Background does not have a qualifying type name. <TextBox Width="200" Text="{Binding FieldEmail, UpdateSourceTrigger=PropertyChanged}"> <TextBox.Triggers> <DataTrigger ...

how to trigger a function on defined date

hi i am doing a project where i need to notify a user through email if his account has expired, that is when a user signsup his sign up date and expire date is inserted into the database now what i need to do is , i need to fire a function when the users expire date is passed and send an email notifying user about the expiration of ...

Use a property trigger to change a property that already has a binding.

How can I use a property trigger in a style (or another method) to change a property (ToolTip for example) that already has its value defined by a binding? I have a simple button like so: <Button Name="Button1" Style="{StaticResource ButtonStyle}" ToolTip="{Binding Name}" >My Button</Button> It has a binding on the tooltip t...

Time triggered job Cron or Quartz?

I already asked a separate question on how to create time triggered event in Java: http://stackoverflow.com/questions/1029164/large-scale-time-triggered-event-handling. I was introduced of Quartz. At the same time, I also google it online, and ppl are saying Cron command in Unix is a neat solution. Which one is better? What's the cons ...