diff --git a/libraries/classes/Normalization.php b/libraries/classes/Normalization.php
index 287f83933d..5586176a72 100644
--- a/libraries/classes/Normalization.php
+++ b/libraries/classes/Normalization.php
@@ -1027,18 +1027,18 @@ class Normalization
     /**
      * function to get distinct values count of all the column in the array $columns
      *
-     * @param array  $columns array of backquoted columns whose distinct values
-     *                        need to be counted.
-     * @param string $table   table to which these columns belong
+     * @param string[] $columns array of backquoted columns whose distinct values
+     *                       need to be counted.
+     * @param string   $table   table to which these columns belong
      *
-     * @return array associative array containing the count
+     * @return int[] associative array containing the count
      */
     private function findDistinctValuesCount(array $columns, $table): array
     {
         $result = [];
         $query = 'SELECT ';
         foreach ($columns as $column) {
-            if (! $column) {
+            if ($column === '') {
                 continue;
             }
 
@@ -1052,11 +1052,11 @@ class Normalization
             . ' LIMIT 500) as dt;';
         $res = $this->dbi->fetchResult($query, null, null);
         foreach ($columns as $column) {
-            if (! $column) {
+            if ($column === '') {
                 continue;
             }
 
-            $result[$column] = $res[0][$column . '_cnt'] ?? null;
+            $result[$column] = (int) $res[0][$column . '_cnt'];
         }
 
         return $result;
@@ -1067,7 +1067,7 @@ class Normalization
      *
      * @param array $primaryKey array containing all the column present in primary key
      *
-     * @return array containing all the possible partial keys(subset of primary key)
+     * @return string[] containing all the possible partial keys(subset of primary key)
      */
     private function getAllCombinationPartialKeys(array $primaryKey): array
     {
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 0308de8ea9..237cad3c87 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -5730,6 +5730,11 @@ parameters:
 			count: 1
 			path: libraries/classes/Navigation/Nodes/NodeTable.php
 
+		-
+			message: "#^Casting to string something that's already string\\.$#"
+			count: 1
+			path: libraries/classes/Normalization.php
+
 		-
 			message: "#^Method PhpMyAdmin\\\\Normalization\\:\\:createNewTablesFor2NF\\(\\) has parameter \\$partialDependencies with no value type specified in iterable type array\\.$#"
 			count: 1
@@ -5755,26 +5760,11 @@ parameters:
 			count: 1
 			path: libraries/classes/Normalization.php
 
-		-
-			message: "#^Method PhpMyAdmin\\\\Normalization\\:\\:findDistinctValuesCount\\(\\) has parameter \\$columns with no value type specified in iterable type array\\.$#"
-			count: 1
-			path: libraries/classes/Normalization.php
-
-		-
-			message: "#^Method PhpMyAdmin\\\\Normalization\\:\\:findDistinctValuesCount\\(\\) return type has no value type specified in iterable type array\\.$#"
-			count: 1
-			path: libraries/classes/Normalization.php
-
 		-
 			message: "#^Method PhpMyAdmin\\\\Normalization\\:\\:getAllCombinationPartialKeys\\(\\) has parameter \\$primaryKey with no value type specified in iterable type array\\.$#"
 			count: 1
 			path: libraries/classes/Normalization.php
 
-		-
-			message: "#^Method PhpMyAdmin\\\\Normalization\\:\\:getAllCombinationPartialKeys\\(\\) return type has no value type specified in iterable type array\\.$#"
-			count: 1
-			path: libraries/classes/Normalization.php
-
 		-
 			message: "#^Method PhpMyAdmin\\\\Normalization\\:\\:getHtmlFor3NFstep1\\(\\) has parameter \\$tables with no value type specified in iterable type array\\.$#"
 			count: 1
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 157e6309f8..5fbbd3ec69 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -8977,12 +8977,9 @@
       <code>$dependents</code>
       <code>$dependents</code>
       <code>$dependents</code>
-      <code>$distinctValCount[$column]</code>
-      <code>$distinctValCount[$partialKey]</code>
       <code><![CDATA[$dropCols['nonpk']]]></code>
       <code><![CDATA[$dropCols['pk']]]></code>
       <code>$key</code>
-      <code>$partialKey</code>
       <code>$table</code>
       <code>$table</code>
       <code>$table</code>
@@ -9012,17 +9009,10 @@
       <code><![CDATA[$dropCols['pk']]]></code>
       <code><![CDATA[$res[0][$column . '_cnt']]]></code>
     </MixedArrayAccess>
-    <MixedArrayOffset>
-      <code>$dependencyList[$partialKey]</code>
-      <code>$distinctValCount[$partialKey]</code>
-      <code>$result[$column]</code>
-    </MixedArrayOffset>
     <MixedAssignment>
       <code>$arrDependson</code>
       <code>$col</code>
       <code>$cols</code>
-      <code>$column</code>
-      <code>$column</code>
       <code>$dependent</code>
       <code>$dependents</code>
       <code>$dependents</code>
@@ -9030,9 +9020,7 @@
       <code>$dropCols</code>
       <code>$element</code>
       <code>$key</code>
-      <code>$partialKey</code>
       <code>$pkColCnt</code>
-      <code>$result[$column]</code>
       <code>$table</code>
       <code>$table</code>
       <code>$tablesList</code>
@@ -9040,9 +9028,6 @@
       <code>$type</code>
     </MixedAssignment>
     <MixedOperand>
-      <code>$column</code>
-      <code>$column</code>
-      <code>$column</code>
       <code>$element</code>
     </MixedOperand>
     <PossiblyNullArgument>
@@ -9053,6 +9038,9 @@
       <code><![CDATA[$def['Type']]]></code>
       <code><![CDATA[$def['Type']]]></code>
     </PossiblyUndefinedArrayOffset>
+    <RedundantCast>
+      <code>(string) $dependon</code>
+    </RedundantCast>
   </file>
   <file src="libraries/classes/Operations.php">
     <DeprecatedMethod>