I ha开发者_运维技巧ve a table in MSSQL server 2008. I would like to change one of the column in that table to computed column. Could somebody tell me how do I do that ?Preserve the old data:
I have a Person model, which includes a property representing the data of birth (birth_date). I also have a method called age(), which works out the current age of the person.
I\'m using Sharepoint 2010 Enterprise and I\'m trying to create a view which seems like it should be pretty simple.It is based on the task list:
I want to create a computed column that is the concatenation of several other columns.In the below example, fulladdress is null in the result set whe开发者_如何学运维n any of the \'real\' columns is n
I want my calculated field to have a conditional value like this: if fieldA is 0 then set fieldC to 0 else field C = fieldB开发者_Python百科 / fieldA
I recently updated a computed column to be persisted due to poor performance when querying it. However now updates to child records throw this error
I need a couple of computed columns that contain count totals (indexed columns). Do you think it is better to use a computed column in a view or add extra columns to the table that will store the tota
I\'ve been trying to find out if the following scenario is possible, I\'ll do my best to describe! Table - trespondent
I sql databas开发者_运维技巧e and it has a table which has got five columns and two of which computed columns, the table acts as a datasource for the datagridview control. The problem I am having is t
I have a table with 2 computed columns, both of which has \"Is Persisted\" set to true. However, when using them in a query the Execution Plan shows the UDF used to compute the columns as part of the
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