Golang In-Memory Database

Read PDF of tech challenge. To run, type go run main.go

Type each command in command line. Hit ENTER after each. Commands are case-insensitive.

See sample screen output. See software tests.

Commands:

SET [name] [value]

• Sets name in the database to given value. Name and value are case-sensitive strings with no spaces.

GET [name]

• Prints value for given name. If value not in database, prints N​ULL

DELETE [name]

• Deletes name/value pair from database

COUNT [value]

• Returns number of names with given value assigned to them. If value not assigned anywhere, prints 0​

END

• Exits database

?

• Prints list of commands

The database also supports transactions:

BEGIN

• Begins new transaction

ROLLBACK

• Rolls back most recent transaction. If no transaction to rollback, prints T​RANSACTION NOT FOUND.

COMMIT

• Commits ​all​ open transactions. May not ROLLBACK after COMMIT.