3 Changing the database content

This chapter covers

  • Creating a new row in a database table
  • Updating existing rows in a database table for two types of applications
  • Updating entities with one-to-one, one-to-many, and many-to-many relationships
  • Deleting single entities, and entities with relationships, from a database

Chapter 2 covered querying a database. This chapter moves on to changing the content of a database. Changing data has three distinct parts: creating new rows in a database table, updating existing rows in a database table, and deleting rows in a database table, which I cover in that order. Create, update, and delete, along with read (which is query in EF Core terms) are database terms for what’s happening, and the foursome ...

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