请问在SQL server以及Oracle库里，用sql语句判断用户是否为dba,该怎样写？看了不少书，好象没发现，特来请教。

DBeaver is a free, open-source, cross-platform SQL client and database administration tool. It is designed to support a wide variety of SQL and NoSQL databases, including MySQL and PostgreSQL. Its key ...

I'm supposed to be a software developer/consultant. However, I'm also the guy people look at when the application isn't running "fast enough." With business applications, speeding up the application ...

There are plenty of ways to get the most out of SQL Server without just upgrading to the latest version. For database admins working with older (maybe much older) SQL Server systems, here are four ...

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Maybe you are still getting up-to-speed with the whole concept of cloud computing. If so, I have a lot of sympathy for you because there is so much to learn and because cloud technologies advance so ...

Microsoft broke new ground in scalability when it launched Azure SQL Database Hyperscale. Here's what it took to make Microsoft's hyperscale vision work with the existing Azure infrastructure. When ...

I've installed Horizon View, VMware's Virtual Desktop Infrastructure (VDI) product, dozens of times over the past decade. With each release, for the most part, the installation process gets easier and ...