You are using Debian or Ubuntu Linux and you want to enter the PostgreSQL command prompt. What do you do?
Run these commands:
sudo su postgres
You are done. Optionally you can run these passwords if you want:
postgres=# create user jdoe with password ‘goodpassword’;
postgres=# create database foobar with OWNER=jdoe;
You try to start Presto from a command line interface. But you get an error message with garbled output like this:
./presto: line 1: $’PK\003\004′: command not found
./presto: line 2: $’ܢ\327H’: command not found
./presto: line 3: syntax error near unexpected token `)’
./presto: line 3: ۢ▒H▒▒W▒META-INF/MANIFEST.MF▒P▒j!▒▒▒?▒8▒▒ɸK)’
Possible solution #1
You may have downloaded a .jar file that could be unpacked.
You have seen the initialism RDS. What does this term mean?
Normally it is a reference to AWS’ PaaS offering for relational databases called Amazon Relational Database Service.
The term RDS can refer to Reference Data Services in the Microsoft realm (e.g., Azure or SQL Server). Here is more information.
You try to start an old SonarQube instance but with a new database connection. In the web.log file you see a message like this: “Can not connect to database. Please check connectivity and settings.” What should you do?
Go to sonar.properties. Find the connection string for the new database. It should look something like this:
The default port for Oracle databases is 1521.
You are trying to delete an Aurora database but you get this error: “This database is not started.” What do you do?
Possible Solution #1 (with the web console)
1. Log into the web console.
2. Go to “Amazon RDS”.
3. Go to “Databases”
4. Click on the Aurora cluster of the database you want to delete or its parent.
You want a free trial or a completely open source (always free) graphical user interface application to install on your Windows desktop or laptop. What options do you have for a free front-end?
These GUIs are free or free to start out with an initial trial: