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Editorial Team
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Asked: 2026-05-21T15:18:47+00:00

So to clear up the question a bit, I have a table we’ll call

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So to clear up the question a bit, I have a table we’ll call it “tAuthor” and another table called “tBook”. The tables have the following columns.

tAuthor

  • id – INT (PK)
  • fname – VARCHAR(50)
  • lname – VARCHAR(50)

tBook

  • id – INT (PK)
  • authorid – INT (PK)
  • name – VARCHAR(50)

If I had the authors firstname and lastname and wanted to insert a new book into tBook for them, is there an easy way to have the insert statement auto fill in the authorid WHERE fname = “Known” and lname = “Known”?

I figured I could always have two statements, a select statement that returns the id WHERE fname=”Known” and lname=”Known” and then run the insert statement with the id returned. I was just curious if there was another way?

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1 Answer

  1. Editorial Team
    INSERT INTO tBook (name, authorid)
VALUES(SELECT 'NewBook', id
       FROM tAuthor
       WHERE tAuthor.fname = 'FirstName'
       and tAuthor.lname = 'LastName')

    I wouldn’t recommend using an Authors name for this as there could be duplicates. However this statement will do the insert you require. You basically do a sub-select from the table you need your ID from and fill in the rest of the information as hardcoded values rather than values to retrieve. This is also a great way to do multiple updates if you need to update a bigger set of records that all share a common element.

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