Golang

If you create a subslice from the first slice and append it to the second, what problems might arise?

Tell me about synchronization primitives in Go.

Tell me about channels in Go.

What is the purpose of the append function?

What are collisions in a map?

How many bytes does one Russian letter occupy?

How to deal with the problem of string concatenation in a loop?

How do you get the rows affected by an UPDATE in a query?

What happens if nothing is found in the local queue P?

Tell me about CTE (Common Table Expression).

If multiple channels are ready at the same time in select, how will they be chosen?

How do you number male and female employees separately?

Since which version of PostgreSQL have you been working?

How is the materialized view updated, does it update itself or do you need to configure something?

func merge(chs ...<-chan int) <-chan int { }

How does LEFT JOIN work? Which table is used for what?