Database.net is a windows GUI to connect to many different types of databases, oracle included. Oracle SQL Developer is a free tool from Oracle. SQuirreL SQL is a java based client that can connect to any database that uses JDBC drivers. I'm …

May 2, 2018 · In case anyone landed here looking for the same answer for a newer version of Oracle SQL Developer (like I did)… As of v22.2.1, for macOS the preferences are now located in Oracle SQL Developer--> Settings… You can adjust the font style and size under Code Editor --> Fonts. Hope that helps!

Sep 3, 2010 · pl/sql developer and toad are both decent, but nonfree, Oracle gui clients. If you're going to do a lot of work on packages or stored procs/funcs, one of these will be worth every bit of money you spend. squirrel sql is an opensource client.

Jan 1, 2015 · Connects to Oracle without configuration of thin client and everything (unlike Squirrel nightmare) Toad and PL/SQL developer are the best COTS tools for Oracle, but for free, SQLTools "works" Thanks – Tom Stickel

Jun 14, 2010 · I would recommend using Oracle's "dbms_crypto.randombytes" function. Why? This function returns a RAW value containing a cryptographically secure pseudo-random sequence of bytes, which can be used to generate random material for encryption keys.

Nov 13, 2008 · It depends what you are looking for. If it is a GUI query tool, then Oracle have their free SQL Developer product (though it has a hefty footprint). There's a few free cross-database ones too. I like SQUirrel SQL client myself. There's also DBVisualiser and a few others.

Apr 17, 2017 · For a table in oracle, I can query "all_tab_columns" and get table column information, like the data type, precision, whether or not the column is nullable. In SQL Developer or TOAD, you can click on a view in the GUI and it will spit out a list of the columns that the view returns and the same set of data (data type, precision, nullable, etc).

Mar 8, 2022 · I have downloaded and installed Oracle DB EX 21c on Windows and it seems the only way to interact with it is using the command prompt. Some older versions like 11g have a gui which for a student make it easier to understand.

Dec 26, 2013 · A note of caution should be made that some Oracle platforms return similar but still unique values of GUIDs as noted by Steven Feuerstein. Update 11/3/2020 : With 10g, Oracle added support for regular expression functions which means the concatenation can be simplified using the REGEXP_REPLACE() function.

Dec 8, 2014 · I am new to java, i have installed Oracle Database 11g Express Edition, and also sql developer. I have referenced this link How to create a new database after initally installing oracle database 11g Express Edition?, but this is some what differences, I want to know, how to create new database and retrieve data and display data using java.