Oracle Database: How to check if the table has a primary key. Types of constraints
A constraint is a rule that you define and its task is to protect the table from clutter that may arise as a result of adding incorrect or incomplete data.…
Oracle database: How can I change a user's password using Oracle SQL Developer?
We can change the password in at least two ways, using: SQL syntaxUsing Oracle SQL Developer software. Method 1 alter user user_name identified by you_new_password replace old_password; Method 2 Using…
How to install Oracle SQL Developer on Ubuntu 18.04?
In this short post I will show you how to install Oracle SQL Developer on Ubuntu 18.04. Download the latest version of Oracle SQL Developer from the official Oracle website.Select…
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[SOLVED] Why the Oracle database is slow when using the docker?
Recently, when I needed a testing environment, where one of the elements was the Oracle database, I encountered a problem that caused me a lot of nerves. Problem When I…