diff --git a/catalyst-gateway/event-db/migrations/V3__objective_tables.sql b/catalyst-gateway/event-db/migrations/V3__objective_tables.sql
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+-- Catalyst Event Database
+
+-- objective types table - Defines all currently known objectives types.
+CREATE TABLE objective_category
+(
+    name TEXT PRIMARY KEY,
+    description TEXT
+);
+
+COMMENT ON TABLE objective_category IS 'Defines all known and valid objective categories.';
+COMMENT ON COLUMN objective_category.name IS 'The name of this objective category.';
+COMMENT ON COLUMN objective_category.description IS 'A Description of this kind of objective category.';
+
+-- Define known objective categories
+INSERT INTO objective_category (name, description)
+VALUES
+('catalyst-simple', 'A Simple choice'),
+('catalyst-native', '??'),
+('catalyst-community-choice', 'Community collective decision'),
+('sve-decision', 'Special voting event decision');
+
+-- known currencies - Defines all currently known currencies.
+CREATE TABLE currency
+(
+    name TEXT PRIMARY KEY,
+    description TEXT
+);
+
+COMMENT ON TABLE currency IS 'Defines all known and valid currencies.';
+COMMENT ON COLUMN currency.name IS 'The name of this currency type.';
+COMMENT ON COLUMN currency.description IS 'A Description of this kind of currency type.';
+
+
+-- Define known currencies
+INSERT INTO currency (name, description)
+VALUES
+('USD_ADA', 'US Dollars, converted to Cardano ADA at time of reward calculation.'),
+('ADA', 'Cardano ADA.'),
+('CLAP', 'CLAP tokens.'),
+('COTI', 'COTI tokens.');
+
+-- known vote options - Defines all currently known vote options.
+CREATE TABLE vote_options
+(
+    id SERIAL PRIMARY KEY,
+
+    idea_scale TEXT ARRAY UNIQUE,
+    objective TEXT ARRAY UNIQUE
+);
+
+COMMENT ON TABLE vote_options IS 'Defines all known vote plan option types.';
+COMMENT ON COLUMN vote_options.id IS 'Unique ID for each possible option set.';
+COMMENT ON COLUMN vote_options.idea_scale IS 'How this vote option is represented in idea scale.';
+COMMENT ON COLUMN vote_options.objective IS 'How the vote options is represented in the objective.';
+
+-- Define known vote_options
+INSERT INTO vote_options (idea_scale, objective)
+VALUES
+('{"blank", "yes", "no"}', '{"yes", "no"}');
+
+
+
+-- goals
+
+CREATE TABLE goal
+(
+    id SERIAL PRIMARY KEY,
+    event_id INTEGER NOT NULL,
+
+    idx INTEGER NOT NULL,
+    name VARCHAR NOT NULL,
+
+    FOREIGN KEY (event_id) REFERENCES event (row_id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX goal_index ON goal (event_id, idx);
+
+COMMENT ON TABLE goal IS 'The list of campaign goals for this event.';
+COMMENT ON COLUMN goal.id IS 'Synthetic Unique Key.';
+COMMENT ON COLUMN goal.idx IS 'The index specifying the order/priority of the goals.';
+COMMENT ON COLUMN goal.name IS 'The description of this event goal.';
+COMMENT ON COLUMN goal.event_id IS 'The ID of the event this goal belongs to.';
+COMMENT ON INDEX goal_index IS 'An index to enforce uniqueness of the relative `idx` field per event.';
+
+
+-- objective table - Defines all objectives for all known funds.
+
+
+CREATE TABLE objective
+(
+    row_id SERIAL PRIMARY KEY,
+
+    id INTEGER NOT NULL,
+    event INTEGER NOT NULL,
+
+    category TEXT NOT NULL,
+    title TEXT NOT NULL,
+    description TEXT NOT NULL,
+
+    deleted BOOLEAN NOT NULL DEFAULT false,
+
+    rewards_currency TEXT,
+    rewards_total BIGINT,
+    rewards_total_lovelace BIGINT,
+    proposers_rewards BIGINT,
+    vote_options INTEGER,
+
+    extra JSONB,
+
+    FOREIGN KEY (event) REFERENCES event (row_id) ON DELETE CASCADE,
+    FOREIGN KEY (category) REFERENCES objective_category (name) ON DELETE CASCADE,
+    FOREIGN KEY (rewards_currency) REFERENCES currency (name) ON DELETE CASCADE,
+    FOREIGN KEY (vote_options) REFERENCES vote_options (id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX objective_idx ON objective (id, event);
+
+COMMENT ON TABLE objective IS
+'All objectives for all events.
+A objective is a group category for selection in an event.';
+COMMENT ON COLUMN objective.row_id IS 'Synthetic Unique Key';
+COMMENT ON COLUMN objective.id IS
+'Event specific objective ID.
+Can be non-unique between events (Eg, Ideascale ID for objective).';
+COMMENT ON COLUMN objective.event IS 'The specific Event ID this objective is part of.';
+COMMENT ON COLUMN objective.category IS
+'What category of objective is this.
+See the objective_category table for allowed values.';
+COMMENT ON COLUMN objective.title IS 'The  title of the objective.';
+COMMENT ON COLUMN objective.description IS 'Long form description of the objective.';
+COMMENT ON COLUMN objective.deleted IS 'Flag which defines was this objective (challenge) deleted from ideascale or not. DEPRECATED: only used for ideascale compatibility.';
+COMMENT ON COLUMN objective.rewards_currency IS 'The currency rewards values are represented as.';
+COMMENT ON COLUMN objective.rewards_total IS 'The total reward pool to pay on this objective to winning proposals. In the Objective Currency.';
+COMMENT ON COLUMN objective.rewards_total_lovelace IS 'The total reward pool to pay on this objective to winning proposals. In Lovelace.';
+COMMENT ON COLUMN objective.proposers_rewards IS 'Not sure how this is different from rewards_total???';
+COMMENT ON COLUMN objective.vote_options IS 'The Vote Options applicable to all proposals in this objective.';
+COMMENT ON COLUMN objective.extra IS
+'Extra Data  for this objective represented as JSON.
+"url"."objective" is a URL for more info about the objective.
+"highlights" is ???
+';