renameTable

<changeSet  author="liquibase-docs"  id="renameTable-example">  
    <renameTable  catalogName="cat"  
            newTableName="employee"  
            oldTableName="person"  
            schemaName="public"/>  
</changeSet>

changeSet:  
  id:  renameTable-example  
  author:  liquibase-docs  
  changes:  
  -  renameTable:  
      catalogName:  cat  
      newTableName:  employee  
      oldTableName:  person  
      schemaName:  public

{
  "changeSet":  {
    "id":  "renameTable-example",
    "author":  "liquibase-docs",
    "changes":  [{
      "renameTable":  {
        "catalogName":  "cat",
        "newTableName":  "employee",
        "oldTableName":  "person",
        "schemaName":  "public"
      }
    }]
  }
}

ALTER  TABLE  cat.person  RENAME  cat.employee;