How can i switch the departments of the two employees using a single query in sql

The table name is Employee, here is the table below, I need to switch the departments so that John is purchasing and Jenn is accounting, but in a single query

How can i switch the departments of the two employees using a single query in sql

The table name is Employee, here is the table below, I need to switch the departments so that John is purchasing and Jenn is accounting, but in a single query

why we need c.CustomerName in groupBy? Is it really needed?

Question

why we need c.CustomerName in groupBy? Is it really needed?

Question

Select instances of an entity which are in relation with all other instances of another entity

I have these 3 tables:

Select instances of an entity which are in relation with all other instances of another entity

I have these 3 tables:

Select instances of an entity which are in relation with all other instances of another entity

I have these 3 tables:

Select instances of an entity which are in relation with all other instances of another entity

I have these 3 tables:

Using CAST function in FROM clause with AS

assume I have a table called Table1 and it has a column A where A contains a lot of structs like this:

Using CAST function in FROM clause with AS

assume I have a table called Table1 and it has a column A where A contains a lot of structs like this: