diff --git a/database/migrations/2023_06_07_000001_create_pulse_tables.php b/database/migrations/2023_06_07_000001_create_pulse_tables.php
index df6a984c..d04fb375 100644
--- a/database/migrations/2023_06_07_000001_create_pulse_tables.php
+++ b/database/migrations/2023_06_07_000001_create_pulse_tables.php
@@ -57,10 +57,11 @@ public function up(): void
         Schema::create('pulse_slow_queries', function (Blueprint $table) {
             $table->datetime('date');
             $table->string('user_id')->nullable();
-            $table->string('sql');
+            $table->text('sql');
+            $table->char('sql_hash', 16)->charset('binary')->virtualAs('UNHEX(MD5(`sql`))');
             $table->unsignedInteger('duration');
 
-            $table->index(['date', 'sql', 'duration']); // slow_queries
+            $table->index(['date', 'sql_hash', 'duration']); // slow_queries
         });
 
         Schema::create('pulse_jobs', function (Blueprint $table) {
@@ -87,10 +88,11 @@ public function up(): void
 
         Schema::create('pulse_outgoing_requests', function (Blueprint $table) {
             $table->datetime('date');
-            $table->string('uri');
+            $table->text('uri');
+            $table->char('uri_hash', 16)->charset('binary')->virtualAs('UNHEX(MD5(`uri`))');
             $table->unsignedInteger('duration');
             $table->string('user_id')->nullable();
-            $table->index(['uri', 'date', 'duration']);
+            $table->index(['uri_hash', 'date', 'duration']);
         });
 
         Schema::create('pulse_queue_sizes', function (Blueprint $table) {
diff --git a/src/Queries/SlowOutgoingRequests.php b/src/Queries/SlowOutgoingRequests.php
index 815feff7..45e8eb14 100644
--- a/src/Queries/SlowOutgoingRequests.php
+++ b/src/Queries/SlowOutgoingRequests.php
@@ -36,10 +36,10 @@ public function __invoke(Interval $interval): Collection
         $now = new CarbonImmutable;
 
         return $this->connection()->table('pulse_outgoing_requests')
-            ->selectRaw('`uri`, COUNT(*) as count, MAX(duration) AS slowest')
+            ->selectRaw('MAX(uri) AS uri, COUNT(*) AS count, MAX(duration) AS slowest')
             ->where('date', '>', $now->subSeconds((int) $interval->totalSeconds)->toDateTimeString())
             ->where('duration', '>=', $this->config->get('pulse.recorders.'.OutgoingRequests::class.'.threshold'))
-            ->groupBy('uri')
+            ->groupBy('uri_hash')
             ->orderByDesc('slowest')
             ->limit(101)
             ->get();
diff --git a/src/Queries/SlowQueries.php b/src/Queries/SlowQueries.php
index 74d958a2..ca5db398 100644
--- a/src/Queries/SlowQueries.php
+++ b/src/Queries/SlowQueries.php
@@ -35,9 +35,9 @@ public function __invoke(Interval $interval): Collection
         $now = new CarbonImmutable;
 
         return $this->connection()->table('pulse_slow_queries')
-            ->selectRaw('`sql`, COUNT(*) as count, MAX(duration) AS slowest')
+            ->selectRaw('MAX(`sql`) AS `sql`, COUNT(*) AS count, MAX(duration) AS slowest')
             ->where('date', '>', $now->subSeconds((int) $interval->totalSeconds)->toDateTimeString())
-            ->groupBy('sql')
+            ->groupBy('sql_hash')
             ->orderByDesc('slowest')
             ->get();
     }
diff --git a/tests/Feature/SlowQueriesTest.php b/tests/Feature/SlowQueriesTest.php
index 34aac04a..15a0aa05 100644
--- a/tests/Feature/SlowQueriesTest.php
+++ b/tests/Feature/SlowQueriesTest.php
@@ -34,7 +34,7 @@
     expect(Pulse::entries())->toHaveCount(0);
     $queries = Pulse::ignore(fn () => DB::table('pulse_slow_queries')->get());
     expect($queries)->toHaveCount(1);
-    expect((array) $queries[0])->toEqual([
+    expect($queries[0])->toHaveProperties([
         'date' => '2000-01-02 03:04:00',
         'user_id' => null,
         'sql' => 'select * from users',