Beginner’s Guide to Mapping Arrays in EF Core 8

• Introduction

  • EF Core 8 now supports mapping arrays of simple values to database columns.
  • Example of sample data with array columns.

• Querying Array Columns

  • Example LINQ query to find instances with a given tag value.
  • Translation in PostgreSQL and Azure SQL.

• Translation Differences between PostgreSQL and Azure SQL

  • PostgreSQL uses array syntax, while Azure SQL treats it as JSON.
  • Translation examples for various LINQ queries on both databases.

• Using Arrays in Query Filters

  • Querying for posts with specific tag values using arrays.
  • Translation and usage of array parameters in queries.

• Collection Types in EF Core 8

  • Explanation on using arrays of simple types and passing multiple values in a single parameter.
  • Overview of supported types for mapping in arrays.

• Summary

  • Recap of EF Core 8 features for mapping typed arrays of simple values to database columns.
  • Highlighting the flexibility and benefits of using arrays in EF Core 8.

For a comprehensive understanding and further exploration, refer to the recommended resources provided in the guide.