Most probably, you have had to deal with historical data in the past. Since there was no out-of-the-box feature in previous SQL Server versions, you had to create a custom temporal data solution. Now that the feature is available, you might think to use it for your existing temporal solutions. You saw earlier in this chapter that you can define your own history table. Therefore, you can also use an existing and populated historical table. If you want to convert your existing solution to use system-versioned temporal tables in SQL Server 2017, you have to prepare both tables so that they fill all requirements for temporal tables. To achieve this, you will again use the AdventureWorks2017 ...
Migrating an existing temporal solution to system-versioned tables
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