WebSep 14, 2024 · Often, I see that re-gathering fixed objects statistics are one of those post-upgrade tasks that is forgotten – or completed in a wrong way. Here’s a quick way to avoid that. TL;DR. To ensure that fixed objects statistics are gathered after upgrade, run this in your database after upgrade: WebRight click and run setup.exe as a Windows administrator. The setup wizard appears. Click to select Use Windows Built-in Account. Click the Next button. Type the desired installation path, such as c:\oracle. Click the Next button. Confirm the default product components are selected. If not, click to select Reset Defaults.
Query performance degraded after upgrade to 19c - oracle-mosc
WebOracle recommends that you gather dictionary statistics both before and after upgrading the database, because Data Dictionary tables are modified and created during the upgrade. With Oracle Database 12 c release 2 (12.2) and later releases, you gather statistics as a manual procedure after the upgrade, when you bring the database up in normal ... WebJul 20, 2024 · 2. Restart the Listener (s) servicing the Database in question, make a new connection from the Client, and test the query that was hanging. 3. If this corrects the issue and allows queries to complete, then there is a network / system device or setting causing fragmentation, detention, or alteration of SQL packets mid-stream.”. inchare x转接线
RE: Query performance issue after 19c upgrade - FreeLists
WebDec 29, 2024 · WAITING: Queries can be slow because they're waiting on a bottleneck for a long time. See a detailed list of bottlenecks in types of Waits. RUNNING: Queries can be … WebI will present a few consideration points regarding performance on Oracle 19c/ExadataX7 migration from my experience on a recent large enterprise project. Th... WebJun 25, 2024 · Subject: RE: Query performance issue after 19c upgrade. Hi Mike, In both plans there is lateral subquery. But in a good plan there is a join. predicate pushdown … income tax return 2022 nz