diff --git a/bookshop/package-lock.json b/bookshop/package-lock.json
new file mode 100644
index 00000000..33f815f6
--- /dev/null
+++ b/bookshop/package-lock.json
@@ -0,0 +1,1226 @@
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+    "type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "requires": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      }
+    },
+    "unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="
+    },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA=="
+    },
+    "uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
+    },
+    "xmlbuilder": {
+      "version": "15.1.1",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-15.1.1.tgz",
+      "integrity": "sha512-yMqGBqtXyeN1e3TGYvgNgDVZ3j84W4cwkOXQswghol6APgZWaff9lnbvN7MHYJOiXsvGPXtjTYJEiC9J2wv9Eg=="
+    },
+    "yaml": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.1.1.tgz",
+      "integrity": "sha512-o96x3OPo8GjWeSLF+wOAbrPfhFOGY0W00GNaxCDv+9hkcDJEnev1yh8S7pgHF0ik6zc8sQLuL8hjHjJULZp8bw=="
+    }
+  }
+}
diff --git a/bookshop/package.json b/bookshop/package.json
index f2fb4210..a48674f9 100644
--- a/bookshop/package.json
+++ b/bookshop/package.json
@@ -10,7 +10,7 @@
     "index.js"
   ],
   "dependencies": {
-    "@sap/cds": ">=5.9",
+    "@sap/cds": "^6.1.1",
     "express": "^4.17.1",
     "passport": ">=0.4.1"
   },
@@ -22,7 +22,10 @@
   "cds": {
     "requires": {
       "db": {
-        "kind": "sql"
+        "kind": "sqlite",
+        "credentials": {
+          "database": "sqlite.db"
+        }
       }
     }
   }
diff --git a/bookshop/sqlite.db b/bookshop/sqlite.db
new file mode 100644
index 00000000..d8423275
Binary files /dev/null and b/bookshop/sqlite.db differ
diff --git a/orders/db/performance_example_schema.cds b/orders/db/performance_example_schema.cds
new file mode 100644
index 00000000..cdc26b05
--- /dev/null
+++ b/orders/db/performance_example_schema.cds
@@ -0,0 +1,58 @@
+using { Currency, User, managed, cuid } from '@sap/cds/common';
+using {Orders, OrderItems} from '../schema';
+
+namespace sap.capire.orders;
+
+entity OrdersHeaders : managed {
+  key ID   : UUID;
+  OrderNo  : String @title:'Order Number'; //> readable key 
+  buyer    : User;
+  currency : Currency;
+  Items    : Composition of many OrdersItems on Items.Header = $self;
+}
+
+entity OrdersItems   {
+    key ID    : UUID;
+    product   : Association to Products;
+    quantity  : Integer;
+    title     : String; //> intentionally replicated as snapshot from product.title
+    price     : Double; //> materialized calculated field
+    Header    : Association to OrdersHeaders;  
+};
+
+
+// static
+view OrdersItemsViewJoin as select 
+
+    OrdersHeaders.ID        as Header_ID, 
+    OrdersHeaders.OrderNo   as OrderNo, 
+    OrdersHeaders.buyer     as buyer, 
+    OrdersHeaders.currency  as currency,
+    OrdersItems.ID          as Item_ID,
+    OrdersItems.product     as product,
+    OrdersItems.quantity    as quantity,
+    OrdersItems.title       as title,
+    OrdersItems.price       as price
+
+ from OrdersHeaders JOIN OrdersItems on OrdersHeaders.ID = OrdersItems.Header;
+
+// dynamic entity
+entity OrderItemsViewAssoc as projection on Orders;
+
+// sort on right table 
+view SortedOrdersJoin as select 
+    OrderNo, 
+    buyer, 
+    currency,
+    Item_ID,
+    product,
+    quantity,
+    title,
+    price    
+from OrdersItemsViewJoin 
+order by title;
+
+// sort on items and join back to header via assoc
+view SortedOrdersAssoc as select
+from OrdersItems {*, Header.OrderNo, Header.buyer, Header.currency }
+order by OrdersItems.title;
diff --git a/orders/srv/performance_example_orders-service.cds b/orders/srv/performance_example_orders-service.cds
new file mode 100644
index 00000000..119373db
--- /dev/null
+++ b/orders/srv/performance_example_orders-service.cds
@@ -0,0 +1,5 @@
+using { sap.capire.orders as my } from '../db/schema';
+
+service OrdersService {
+  entity Orders as projection on my.Orders;
+}
diff --git a/package-lock.json b/package-lock.json
index 0a87d062..81441cc2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5235,9 +5235,9 @@
       }
     },
     "node_modules/moment": {
-      "version": "2.29.3",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.3.tgz",
-      "integrity": "sha512-c6YRvhEo//6T2Jz/vVtYzqBzwvPT95JBQ+smCytzf7c50oMZRsR/a4w88aD34I+/QVSfnoAnSBFPJHItlOMJVw==",
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==",
       "engines": {
         "node": "*"
       }
@@ -5644,12 +5644,13 @@
       }
     },
     "node_modules/passport": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/passport/-/passport-0.5.2.tgz",
-      "integrity": "sha512-w9n/Ot5I7orGD4y+7V3EFJCQEznE5RxHamUxcqLT2QoJY0f2JdN8GyHonYFvN0Vz+L6lUJfVhrk2aZz2LbuREw==",
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/passport/-/passport-0.6.0.tgz",
+      "integrity": "sha512-0fe+p3ZnrWRW74fe8+SvCyf4a3Pb2/h7gFkQ8yTJpAO50gDzlfjZUZTO1k5Eg9kUct22OxHLqDZoKUWRHOh9ug==",
       "dependencies": {
         "passport-strategy": "1.x.x",
-        "pause": "0.0.1"
+        "pause": "0.0.1",
+        "utils-merge": "^1.0.1"
       },
       "engines": {
         "node": ">= 0.4.0"
@@ -11283,9 +11284,9 @@
       "dev": true
     },
     "moment": {
-      "version": "2.29.3",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.3.tgz",
-      "integrity": "sha512-c6YRvhEo//6T2Jz/vVtYzqBzwvPT95JBQ+smCytzf7c50oMZRsR/a4w88aD34I+/QVSfnoAnSBFPJHItlOMJVw=="
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w=="
     },
     "ms": {
       "version": "2.1.2",
@@ -11593,12 +11594,13 @@
       "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
     },
     "passport": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/passport/-/passport-0.5.2.tgz",
-      "integrity": "sha512-w9n/Ot5I7orGD4y+7V3EFJCQEznE5RxHamUxcqLT2QoJY0f2JdN8GyHonYFvN0Vz+L6lUJfVhrk2aZz2LbuREw==",
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/passport/-/passport-0.6.0.tgz",
+      "integrity": "sha512-0fe+p3ZnrWRW74fe8+SvCyf4a3Pb2/h7gFkQ8yTJpAO50gDzlfjZUZTO1k5Eg9kUct22OxHLqDZoKUWRHOh9ug==",
       "requires": {
         "passport-strategy": "1.x.x",
-        "pause": "0.0.1"
+        "pause": "0.0.1",
+        "utils-merge": "^1.0.1"
       }
     },
     "passport-strategy": {