sql - Find all records that have the same value in a field within a Trigger -


i trying write after insert trigger table 

   create table [dbo].[partswork](      [parts_work_id] [int] identity(1,1) not null,      [experiment_id] [int] not null,      [partition_id] [int] null,      [sim_time] [time](7) null,      [real_time] [datetime] null,      [construction] [bit] null,      [destruction] [bit] null,      [part_id] [int] not null,     )

i need find out how many rows have same assembly_id inserted set.

assembly_id field in following table :

create table [dbo].[parts]( [part_id] [int] identity(1,1) not null, [part_name] [nvarchar](50) null, [part_type] [nvarchar](50) null, [assembly_id] [int] not null,  )

i need store value int in variable.

thanks,

you'd join special inserted table (only available in triggers) [dbo].[parts] count.

some thoughts:

  • you have consider multi-row inserts/updates in trigger. have 2 assembly_ids example
  • when assigned variable, want it? value won't visible outside trigger
  • you may better stored procedure processing , use output clause data insert

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