add

backend/sql/05_exchange.sql

@@ -39,6 +39,25 @@ BEGIN
         RAISE NOTICE 'exchange_name table already exists';
     END IF;
 
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'exchange_short_name') THEN
+        CREATE TABLE exchange_short_name (
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            exchange_id UUID NOT NULL,
+            short_name VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_short_name_updated_at
+        BEFORE UPDATE ON "exchange_short_name"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_data_modified_column();
+        
+        RAISE NOTICE 'created exchange_short_name table and trigger';
+    ELSE
+        RAISE NOTICE 'exchange_short_name table already exists';
+    END IF;
+
     IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'exchange_code') THEN
         CREATE TABLE exchange_code (
             id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
@@ -74,12 +93,15 @@ BEGIN
     SELECT 
         u.id AS exchange_id,
         n.name AS name,
+        sn.short_name AS short_name,
         c.code AS code,
         u.deleted AS deleted
     FROM 
         exchange u
     JOIN 
         exchange_name n ON u.id = n.exchange_id
+    JOIN 
+        exchange_short_name sn ON u.id = sn.exchange_id
     JOIN 
         exchange_code c ON u.id = c.exchange_id
     WHERE