Generating surrogate keys

• narkmrsou

  SSC Rookie

  Points: 40

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  July 30, 2009 at 7:12 pm

  #203410

  hi,

  I am new to sql server and i need a solution for generating surrogate keys. i want to generate a surrogate key and need to insert into a table and this key must be the primary key for that table.

  if there is any update to this table for which there is aafter generating surrogate key, the records should be updated based on this surrogate key(no insertion of new record should not happen).

  till now, i have :

  1.created execute sql task with the query: select coalesce (max(Surr_key),0) and assiging it to a variable of type object.

  2. then a For each loop container to accept the object type as variable.

  3.A data flow task inside this container, which holds Script component to generate the surr. key.

  now am having problm in for each loop container.

  it doesn't accepts the object type variable

  pl;s help me