In a T-SQL statement, I could retrieve both values with a query like this: Select JSON_VALUE(LastUpdate, '$.SignupDate') AS SignupDate, JSON_VALUE(LastUpdate, '$.Name.First') AS FirstName From ...

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can ... By default, the resulting table ...

Overview Modern databases, such as PostgreSQL, natively support JSON as data values that can be queried. This capability uses JSON-specific operators, including an operator to test for key presence.

Note that JSON_VALUE() and the RETURNING clause is part of the ANSI SQL standard, and is already supported in PostgreSQL 17 (EFCore.PG tracking issue). So we should implement all this as the default ...

If an operation requires an SQL/JSON array but the operand is not an SQL/JSON array, then the operand is wrapped in an SQL/JSON array prior to performing the operation. If an operation requires ...