PostgreSQL driver for DeepDive db-parse Rest of the commands assume any environment variable definition printed by this command is set up. db-init Initializes the configured database for the DeepDive application. db-prompt Starts a SQL prompt against the configured database for the DeepDive application. db-query Evaluates a SQL query against the configured database for the DeepDive application and prints the result in tab-separated values. db-execute Executes a SQL query against the configured database for the DeepDive application.