Grakn Console

Running Grakn Console in the terminal

Go to the directory whe you have your grakn-core-all or grakn-core-console distribution unarchived, and run ./grakn console

cd <your_grakn_console_dir>/
./grakn console

Command line arguments

You can provide several command arguments when running console in the terminal.

--server=<address> : Server address to which the console will connect to.
-V, --version : Print version information and exit.
-h, --help : Show help message.

Console commands

Grakn Console provides two levels of interaction: database-level commands and transaction-level commands. The database-level command is the first level of interaction, i.e. first-level REPL. From one of the database-level commands, you can open a transaction to the database. This will open a transaction-level interface, i.e. second-level REPL.

Database-level commands

database create <db> : Create a database with name <db> on the server. For example:
```
> database create my-grakn-database
Database 'my-grakn-database' created
```
database list : List the databases on the server. For example:
```
> database list
my-grakn-database
```
database delete <db> : Delete a database with name <db> on the server. For example:
```
> database delete my-grakn-database
Database 'my-grakn-database' deleted
```
transaction <db> schema|data read|write : Start a transaction to database <db> with session type schema or data, and transaction type write or read. For example:
```
> transaction my-grakn-database schema write
my-grakn-database::schema::write>
```
This will then take you to the transaction-level interface, i.e. the second-level REPL.
help : Print help menu
clear : Clear console screen
exit : Exit console

Transaction-level commands

<query> : Once you're in the transaction REPL, the terminal immediately accepts a multi-line Graql query, and will execute it when you hit enter twice. For example:

my-grakn-database::schema::write> define
                                  name sub attribute, value string;
                                  person sub entity, owns name;

Concepts have been defined