Oracle sql optimizer oracle serial in Title/Summary Oracle SQL Developer SQL Developer offers complete end-to-end development of your PL/SQL applications, a worksheet for running queries and scripts, a DBA console for managing the database, a reports interface. ![]() For those of you that want to keep up-to-speed with the latest changes, this post includes a quick summary of the headline new features in Oracle Database 19c with links to the documentation. In addition, most of the new optimizer white papers have been published. You will find links to them in the new page (and there will be further updates to this page soon). Automatic Indexing This is a complex and sophisticated piece of functionality but, ironically, it requires only a tiny API because it has been designed to be very easy to use and require virtually zero manual intervention. I'm sure that you can expect a lot to be written about this feature, but you can find material and the API. Real-Time Statistics Statistics can now be collected 'on-the-fly' during conventional DML operations. This feature requires no manual intervention, but you can find details in the SQL Tuning Guide's. High-Frequency Statistics Gathering Real-time statistics are a complement to conventional gathered statistics, so there is still a need for both. Nik software for mac. To help keep gathered statistics up-to-date, we added a new task to do it more frequently. It is again documented in the. Automatic SQL Plan Management There is a lot to say about this feature, so my intention is to post a blog in the next few of weeks. We have included more automation in the SQL evolve advisor task, so see the and the. I noticed that there are a couple of documentation bugs in the. I'm getting that fixed, but in the meantime note that the following SQL plan management task parameters have new default values in Oracle Database 19c: PARAMETER_NAME DEFAULT -------------------------------- ---------- ALTERNATE_PLAN_BASELINE AUTO ALTERNATE_PLAN_LIMIT UNLIMITED ALTERNATE_PLAN_SOURCE AUTO If you currently use SQL plan management, especially if you use it to micro-manage individual SQL execution plans, then you need to be aware of the new default behavior when upgrading to Oracle Database 19c. You do have a choice: you can use the new defaults immediately or, if you prefer, you can set these parameters back to the pre-19c defaults very easily. Modern authentication is already enabled for Office 2016 clients, you do not need to set registry keys for Office 2016. To enable modern authentication for any devices running Windows (for example on laptops and tablets), that have Microsoft Office 2013 installed, you need to set the following registry keys. Outlook enable modern authentication. Modern authentication is based on the Active Directory Authentication Library (ADAL) and OAuth 2.0. When you enable modern authentication in Exchange Online, Outlook 2013 or later clients use modern authentication to log in to Exchange Online mailboxes. For more information, see How modern authentication works for Office client apps. ![]() An additional piece of SQL plan management functionality was added late-in-the-day, so that will make its way through soon. I will post an update here when it's documented. Hint Usage Reporting Diagnosing SQL statement hint issues can be difficult. More information on how we have made is easier can be found and in. Using this feature to diagnose issues with SQL plan baselines is presented in. SQL Plan Comparison We've made it much easier to compare a 'reference' SQL execution plan with multiple plans from a variety of different sources using a single API call. It's a great tool for diagnosis and you can find details.
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