Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. Skip to content TechRepublic ...

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 ...

Complex SQL query with optional tables. ... From T-SQL Querying, ... [/url]":32i4otbt]I just discovered that instead of a grammar nazi, I may have become a SQL nazi. The best kind of nazi or null.

When you use IN, you’re telling SQL to take a value and compare it against every value or set of values in a list using =. If any NULL values exist, a row will not be returned–even if both ...

For instance, existing text-to-SQL methods — that convert a text prompt into a SQL query that could be executed by databases — focus only on natural language questions that can be expressed in ...