Community Blog Using an ApsaraDB for RDS Client with Auto-Completion Features

Using an ApsaraDB for RDS Client with Auto-Completion Features

MyCLI is an easy-to-use command line interface (CLI) for MySQL, MariaDB, and Percona, that helps you speed up development with auto-completion and syntax highlighting features.

MyCLI is a command line interface (CLI) for MySQL, MariaDB, and Percona with auto-completion and syntax highlighting features. This tool support auto-completion of table names, database names, aliases, and SQL syntax. It also keeps track of the queries entered for your convenience.

You'll need to use the pip command to install it on Linux or Unix-like system as MyCLI is written in Python. You can learn more about MyCLI here

MyCLI is fully compatible with Alibaba Cloud. To use it, first launch an Elastic Compute Service (ECS) instance where you want to deploy the client to. Make sure that this ECS instance is whitelisted for ApsaraDB for RDS access. You can set up the whitelist using this guide.


MyCLI tool is based on Python and needs to be installed via pip. Make sure PIP and python development libraries are installed. If you have set up your ECS instance correctly, just run these three lines of codes to install MyCLI.

yum install python-pip
yum -y install python-devel
pip install mycli

Details of MyCLI

If you're not sure how to use MyCLI, you can always run the --help command to learn about its various options, as shown below.

$ mycli --help
 Usage: mycli [OPTIONS] [DATABASE]

   -h, --host TEXT               Host address of the database.
   -P, --port INTEGER            Port number to use for connection. Honors
   -u, --user TEXT               User name to connect to the database.
   -S, --socket TEXT             The socket file to use for connection.
   -p, --password TEXT           Password to connect to the database
   --pass TEXT                   Password to connect to the database
   --ssl-ca PATH                 CA file in PEM format
   --ssl-capath TEXT             CA directory
   --ssl-cert PATH               X509 cert in PEM format
   --ssl-key PATH                X509 key in PEM format
   --ssl-cipher TEXT             SSL cipher to use
   --ssl-verify-server-cert      Verify server's "Common Name" in its cert
                                 against hostname used when connecting. This
                                 option is disabled by default
   -v, --version                 Version of mycli.
   -D, --database TEXT           Database to use.
   -R, --prompt TEXT             Prompt format (Default: "\t \u@\h:\d> ")
   -l, --logfile FILENAME        Log every query and its results to a file.
   --defaults-group-suffix TEXT  Read config group with the specified suffix.
   --defaults-file PATH          Only read default options from the given file
   --myclirc PATH                Location of myclirc file.
   --auto-vertical-output        Automatically switch to vertical output mode
                                 if the result is wider than the terminal
   -t, --table                   Display batch output in table format.
   --csv                         Display batch output in CSV format.
   --warn / --no-warn            Warn before running a destructive query.
   --local-infile BOOLEAN        Enable/disable LOAD DATA LOCAL INFILE.
   --login-path TEXT             Read this path from the login file.
   -e, --execute TEXT            Execute query to the database.
   --help                        Show this message and exit.

Usage Examples

Just run the command below to run MyCLI on your ApsaraDB for RDS instance.

$ mycli ®Ch{RDS DNS Alias} ®Cu{RDS User Name} -p{RDS Password}

Once connected, you can use MyCLI just as you would use your default CLI.

Further Reading

Alibaba Cloud also provides its own command auto-completion function on the Alibaba Cloud CLI. To learn more, visit

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