Page Comparison

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1. Stijn creates a database with Liquibase.
   1. File a.xml contains a changeset: "create table X".
   2. File b.xml contains another changeset: "rename column in table X"
2. He adds a changeset: "drop table X".
   1. He inserts this changeset right after "create table X", in file a.xml.
3. Stijn asks Liquibase to update the database.
   1. Liquibase discovers that only one changeset has not been executed yet (drop table X), and executes it.
4. Mathias runs Liquibase.
   1. He get's gets an error: "table X does not exist".

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