diff --git a/Cargo.lock b/Cargo.lock
index 210d9c8..737a314 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2487,6 +2487,7 @@ version = "0.1.0"
 dependencies = [
  "chrono",
  "common",
+ "dashmap",
  "dotenvy",
  "lazy_static",
  "prost",
@@ -2496,6 +2497,7 @@ dependencies = [
  "sqlx",
  "steel-core",
  "steel-derive 0.5.0 (git+https://github.com/mattwparas/steel.git?branch=master)",
+ "thiserror 2.0.12",
  "time",
  "tokio",
  "tonic",
diff --git a/server/.sqlx/query-3adac56bb53ad25d03352a6e75cab29f8a1b4620e528a16831b7a61135ccb746.json b/server/.sqlx/query-3adac56bb53ad25d03352a6e75cab29f8a1b4620e528a16831b7a61135ccb746.json
deleted file mode 100644
index 43474c0..0000000
--- a/server/.sqlx/query-3adac56bb53ad25d03352a6e75cab29f8a1b4620e528a16831b7a61135ccb746.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  "db_name": "PostgreSQL",
-  "query": "INSERT INTO table_definitions\n        (profile_id, table_name, columns, indexes, linked_table_id)\n        VALUES ($1, $2, $3, $4, $5)",
-  "describe": {
-    "columns": [],
-    "parameters": {
-      "Left": [
-        "Int8",
-        "Text",
-        "Jsonb",
-        "Jsonb",
-        "Int8"
-      ]
-    },
-    "nullable": []
-  },
-  "hash": "3adac56bb53ad25d03352a6e75cab29f8a1b4620e528a16831b7a61135ccb746"
-}
diff --git a/server/.sqlx/query-41621bc47426b92c64e6dfc56f001ad47263b6eed93f5f68601746c4059db3f8.json b/server/.sqlx/query-41621bc47426b92c64e6dfc56f001ad47263b6eed93f5f68601746c4059db3f8.json
new file mode 100644
index 0000000..e878c14
--- /dev/null
+++ b/server/.sqlx/query-41621bc47426b92c64e6dfc56f001ad47263b6eed93f5f68601746c4059db3f8.json
@@ -0,0 +1,16 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "INSERT INTO table_definition_links\n             (source_table_id, linked_table_id, is_required)\n             VALUES ($1, $2, $3)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Int8",
+        "Int8",
+        "Bool"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "41621bc47426b92c64e6dfc56f001ad47263b6eed93f5f68601746c4059db3f8"
+}
diff --git a/server/.sqlx/query-4cd5de4d3332ca35a9975ffb32728041978435e14f97c559e2ffec4a82d567ae.json b/server/.sqlx/query-4cd5de4d3332ca35a9975ffb32728041978435e14f97c559e2ffec4a82d567ae.json
new file mode 100644
index 0000000..c8138db
--- /dev/null
+++ b/server/.sqlx/query-4cd5de4d3332ca35a9975ffb32728041978435e14f97c559e2ffec4a82d567ae.json
@@ -0,0 +1,26 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "INSERT INTO table_scripts\n        (table_definitions_id, target_column, target_column_type, script, description)\n        VALUES ($1, $2, $3, $4, $5)\n        RETURNING id",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Int8"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int8",
+        "Text",
+        "Text",
+        "Text",
+        "Text"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "4cd5de4d3332ca35a9975ffb32728041978435e14f97c559e2ffec4a82d567ae"
+}
diff --git a/server/.sqlx/query-5d8e169a5173fd45cf42f56c5dcc85cf5ac7af1950b269d8a57b080fc2684d60.json b/server/.sqlx/query-5d8e169a5173fd45cf42f56c5dcc85cf5ac7af1950b269d8a57b080fc2684d60.json
deleted file mode 100644
index 05d1bdd..0000000
--- a/server/.sqlx/query-5d8e169a5173fd45cf42f56c5dcc85cf5ac7af1950b269d8a57b080fc2684d60.json
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "db_name": "PostgreSQL",
-  "query": "\n            SELECT\n                td.table_name,\n                ltd.table_name as \"linked_table_name?\"\n            FROM table_definitions td\n            LEFT JOIN table_definitions ltd ON td.linked_table_id = ltd.id\n            WHERE td.profile_id = $1\n            ",
-  "describe": {
-    "columns": [
-      {
-        "ordinal": 0,
-        "name": "table_name",
-        "type_info": "Text"
-      },
-      {
-        "ordinal": 1,
-        "name": "linked_table_name?",
-        "type_info": "Text"
-      }
-    ],
-    "parameters": {
-      "Left": [
-        "Int8"
-      ]
-    },
-    "nullable": [
-      false,
-      false
-    ]
-  },
-  "hash": "5d8e169a5173fd45cf42f56c5dcc85cf5ac7af1950b269d8a57b080fc2684d60"
-}
diff --git a/server/.sqlx/query-9156cb59f4b13da4efa71051444e401f8e88524733d8ec46e4ef13f87ad8214d.json b/server/.sqlx/query-792d886a32bc6b6b7ca27ad347e96ff4ae66a4b8da8185dfb27b9d883e068c43.json
similarity index 61%
rename from server/.sqlx/query-9156cb59f4b13da4efa71051444e401f8e88524733d8ec46e4ef13f87ad8214d.json
rename to server/.sqlx/query-792d886a32bc6b6b7ca27ad347e96ff4ae66a4b8da8185dfb27b9d883e068c43.json
index d7c3f18..4ac3975 100644
--- a/server/.sqlx/query-9156cb59f4b13da4efa71051444e401f8e88524733d8ec46e4ef13f87ad8214d.json
+++ b/server/.sqlx/query-792d886a32bc6b6b7ca27ad347e96ff4ae66a4b8da8185dfb27b9d883e068c43.json
@@ -1,6 +1,6 @@
 {
   "db_name": "PostgreSQL",
-  "query": "SELECT id FROM table_definitions\n            WHERE profile_id = $1 AND table_name = $2",
+  "query": "SELECT id FROM table_definitions\n             WHERE profile_id = $1 AND table_name = $2",
   "describe": {
     "columns": [
       {
@@ -19,5 +19,5 @@
       false
     ]
   },
-  "hash": "9156cb59f4b13da4efa71051444e401f8e88524733d8ec46e4ef13f87ad8214d"
+  "hash": "792d886a32bc6b6b7ca27ad347e96ff4ae66a4b8da8185dfb27b9d883e068c43"
 }
diff --git a/server/.sqlx/query-bda5d4507e4f190b8b9df224688095bb0c77017709415e91e8164a5f029f46af.json b/server/.sqlx/query-a466364aa022c2bae1a58f683ecdf390205e43da6b04f46a42820b2fff9e6a79.json
similarity index 55%
rename from server/.sqlx/query-bda5d4507e4f190b8b9df224688095bb0c77017709415e91e8164a5f029f46af.json
rename to server/.sqlx/query-a466364aa022c2bae1a58f683ecdf390205e43da6b04f46a42820b2fff9e6a79.json
index 0187a2e..d95e9ef 100644
--- a/server/.sqlx/query-bda5d4507e4f190b8b9df224688095bb0c77017709415e91e8164a5f029f46af.json
+++ b/server/.sqlx/query-a466364aa022c2bae1a58f683ecdf390205e43da6b04f46a42820b2fff9e6a79.json
@@ -1,6 +1,6 @@
 {
   "db_name": "PostgreSQL",
-  "query": "SELECT id, columns, linked_table_id FROM table_definitions\n        WHERE profile_id = $1 AND table_name = $2",
+  "query": "SELECT id, table_name, columns, profile_id\n         FROM table_definitions WHERE id = $1",
   "describe": {
     "columns": [
       {
@@ -10,26 +10,31 @@
       },
       {
         "ordinal": 1,
+        "name": "table_name",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 2,
         "name": "columns",
         "type_info": "Jsonb"
       },
       {
-        "ordinal": 2,
-        "name": "linked_table_id",
+        "ordinal": 3,
+        "name": "profile_id",
         "type_info": "Int8"
       }
     ],
     "parameters": {
       "Left": [
-        "Int8",
-        "Text"
+        "Int8"
       ]
     },
     "nullable": [
       false,
       false,
-      true
+      false,
+      false
     ]
   },
-  "hash": "bda5d4507e4f190b8b9df224688095bb0c77017709415e91e8164a5f029f46af"
+  "hash": "a466364aa022c2bae1a58f683ecdf390205e43da6b04f46a42820b2fff9e6a79"
 }
diff --git a/server/.sqlx/query-b097f30f98490b979939759d85327a20ca7ade4866052a5cfdb0451fb76fbf15.json b/server/.sqlx/query-b097f30f98490b979939759d85327a20ca7ade4866052a5cfdb0451fb76fbf15.json
new file mode 100644
index 0000000..71f34c7
--- /dev/null
+++ b/server/.sqlx/query-b097f30f98490b979939759d85327a20ca7ade4866052a5cfdb0451fb76fbf15.json
@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT ltd.table_name \n        FROM table_definition_links tdl\n        JOIN table_definitions ltd ON tdl.linked_table_id = ltd.id\n        WHERE tdl.source_table_id = $1 AND tdl.is_required = true",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "table_name",
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int8"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "b097f30f98490b979939759d85327a20ca7ade4866052a5cfdb0451fb76fbf15"
+}
diff --git a/server/.sqlx/query-b519307ed5b2dba41c37845f23f9abff35312b62cf05ef2e8c5faa4ab0b0c194.json b/server/.sqlx/query-b519307ed5b2dba41c37845f23f9abff35312b62cf05ef2e8c5faa4ab0b0c194.json
new file mode 100644
index 0000000..cd3a641
--- /dev/null
+++ b/server/.sqlx/query-b519307ed5b2dba41c37845f23f9abff35312b62cf05ef2e8c5faa4ab0b0c194.json
@@ -0,0 +1,28 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT target_column, script FROM table_scripts WHERE table_definitions_id = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "target_column",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 1,
+        "name": "script",
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int8"
+      ]
+    },
+    "nullable": [
+      false,
+      false
+    ]
+  },
+  "hash": "b519307ed5b2dba41c37845f23f9abff35312b62cf05ef2e8c5faa4ab0b0c194"
+}
diff --git a/server/.sqlx/query-d1579b19c2b04abd5b58c5ea39f740e403917db736c94e4054d04f8c9509f57a.json b/server/.sqlx/query-d1579b19c2b04abd5b58c5ea39f740e403917db736c94e4054d04f8c9509f57a.json
new file mode 100644
index 0000000..0dc98a3
--- /dev/null
+++ b/server/.sqlx/query-d1579b19c2b04abd5b58c5ea39f740e403917db736c94e4054d04f8c9509f57a.json
@@ -0,0 +1,25 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "INSERT INTO table_definitions\n           (profile_id, table_name, columns, indexes)\n           VALUES ($1, $2, $3, $4)\n           RETURNING id",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Int8"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int8",
+        "Text",
+        "Jsonb",
+        "Jsonb"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "d1579b19c2b04abd5b58c5ea39f740e403917db736c94e4054d04f8c9509f57a"
+}
diff --git a/server/.sqlx/query-e23802d20f7f929810f5d294a36d23eca89d4abf6aa7d7d4b4fee9147e153b57.json b/server/.sqlx/query-e23802d20f7f929810f5d294a36d23eca89d4abf6aa7d7d4b4fee9147e153b57.json
new file mode 100644
index 0000000..942e498
--- /dev/null
+++ b/server/.sqlx/query-e23802d20f7f929810f5d294a36d23eca89d4abf6aa7d7d4b4fee9147e153b57.json
@@ -0,0 +1,28 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            SELECT\n                td.table_name,\n                COALESCE(\n                    json_agg(\n                        json_build_object(\n                            'linked_name', ltd.table_name,\n                            'required', tdl.is_required\n                        )\n                    ) FILTER (WHERE ltd.id IS NOT NULL),\n                    '[]'\n                ) as dependencies\n            FROM table_definitions td\n            LEFT JOIN table_definition_links tdl ON td.id = tdl.source_table_id\n            LEFT JOIN table_definitions ltd ON tdl.linked_table_id = ltd.id\n            WHERE td.profile_id = $1\n            GROUP BY td.table_name\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "table_name",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 1,
+        "name": "dependencies",
+        "type_info": "Json"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int8"
+      ]
+    },
+    "nullable": [
+      false,
+      null
+    ]
+  },
+  "hash": "e23802d20f7f929810f5d294a36d23eca89d4abf6aa7d7d4b4fee9147e153b57"
+}
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 73cce9b..390fd28 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -21,6 +21,8 @@ time = { version = "0.3.39", features = ["local-offset"] }
 steel-derive = { git = "https://github.com/mattwparas/steel.git", branch = "master", package = "steel-derive" }
 steel-core = { git = "https://github.com/mattwparas/steel.git", version = "0.6.0", features = ["anyhow", "dylibs", "sync"] }
 thiserror = "2.0.12"
+dashmap = "6.1.0"
+lazy_static = "1.5.0"
 
 [lib]
 name = "server"
diff --git a/server/src/steel/server/execution.rs b/server/src/steel/server/execution.rs
index 3852581..e38540e 100644
--- a/server/src/steel/server/execution.rs
+++ b/server/src/steel/server/execution.rs
@@ -25,6 +25,7 @@ pub fn execute_script(
 ) -> Result<Value, ExecutionError> {
     let mut vm = Engine::new();
     
+    // SAFETY: THIS IS NEEDS TO BE REDONE
     // Convert to Box<str> then leak to get 'static lifetime
     let static_script: &'static str = Box::leak(script.to_string().into_boxed_str());