Feb 23, 2016 · From the Tools menu (or on OS X, the SQL Developer menu) go to Preferences. In versions up to 4.1.5, in the preference pane expand the Database section, and then the SQL Formatter section. The top level lets you import and export settings, and the Oracle Formatting section lets you choose how you want your code to be formatted.

Nov 28, 2021 · Save to 'startup.sql' in some convenient folder; Open Tools > Preferences; Go to the Database page; On the 'Filename for connection startup script' – point to the 'startup.sql' file you just created. Restart SQL Developer. Open a connection and run your code.

Since web search for Oracle case tops to that link, ... 2025 Developer Survey: Call for Feedback ...

Nov 3, 2010 · @shanyangqu - the important part to read from that link is "this note by Scott Canaan suggests that in Oracle 10.2, they can produce different execution plans, and hence, different execution speeds" - but in the end, the effect was not proven, and several (valid, IMO) theories that would explain the observed behaviour were presented - none of which suggest …

Jan 1, 2000 · I need to use Oracle but DATEDIFF function doesn't work in Oracle DB. How to write the following code in Oracle? I saw some examples using INTERVAL or TRUNC. SELECT DATEDIFF ('2000-01-01','2000-...

Apr 29, 2015 · 2025 Developer Survey: Call for Feedback. Linked. 0. ... How to transpose the row to column in Oracle sql. 0.

Jul 17, 2009 · In Oracle SQL Developer, if I'm viewing the information on a table, I can view the constraints, which let me see the foreign keys (and thus which tables are referenced by this table), and I can view the dependencies to see what packages and such reference the table. But I'm not sure how to find which tables reference the table.

I'm using SQL Developer 4.2 at time of this demo. If you have some issues in upgrading to this version of SQL Developer from the past then you need to also update your JDK to 1.8 or above. Please follow steps below to ensure that SQL Developer Auto Completion (intellisense) works in ALL cases. Step 1: Open SQL Developer and go to Tools ...

This is because to Oracle null is like saying "I don't know what this value is". Oracle can't say with certainty that the value you are searching for is definitely not in your sub-select because it doesn't know what this "not-known" value actually is.

Dec 16, 2013 · No better explanation than from Tom Kyte... the plan from autotrace is an explain plan. there is no statistic regarding hard parse and optimization - not sure where you are going with that, but the optimizer estimates cardinalities and those in turn with other statistics like clustering factor of indexes, blocks in tables and such - are used to derive IO estimations.