I have been using the solution for 15 years. 

I have been working with it for three years.

I've been using this solution for more than eight years.

We have been using the solution for two years.

I have used Oracle Database In-Memory as a reseller for 10-12 years. I'm part of the solution team providing both in memory and the databases. We are using the latest version of the solution.

I have been using Oracle Database In-Memory for seventeen years.

I've used Oracle Database In-Memory since 2019.

We have been using Oracle Database In-Memory for ten years.

I have been working with the solution since 2005. 

We are using this solution for about an year now, The performance is good and is with the desired SLA's.

I've been using Database In-Memory for two to three years.

I've been using the solution for two years.

I have been using this version for about four months.

I've used Oracle Database since 2001, and I officially used the In-Memory option since its general availability in June 2014. But, as I’ve been a beta tester for the Oracle version that delivered this option, I can say that I've used it since the beginning of 2014.

I've probably been using the solution for about a decade. It's been about ten years now.

I have used this solution for 15 or 16 years.

I've used this solution for the past five months and was an Oracle Database administrator from 2000 to 2005.

I’ve been using Oracle for over 10 years.

We have been using it for the last two to three years. 

We started with Database In-Memory probably a a few months ago.