Update still present square bracket identifiers to backticks.

src/EFCore.Jet/Scaffolding/Internal/JetDatabaseModelFactory.cs

@@ -34,7 +34,7 @@ namespace EntityFrameworkCore.Jet.Scaffolding.Internal
         private Dictionary<string, DatabaseColumn> _tableColumns;
 
         private static string ObjectKey([NotNull] string name)
-            => "[" + name + "]";
+            => "`" + name + "`";
         
         private static string TableKey(DatabaseTable table)
             => TableKey(table.Name);
@@ -48,6 +48,7 @@ namespace EntityFrameworkCore.Jet.Scaffolding.Internal
         private static readonly List<string> _tablePatterns = new List<string>
         {
             "{table}",
+            "`{table}`",
             "[{table}]"
         };
 

src/System.Data.Jet/JetCommand.cs

@@ -19,7 +19,7 @@ namespace System.Data.Jet
         private int? _rowCount;
 
         private static readonly Regex _skipRegularExpression = new Regex(@"\bskip\s(?<stringSkipCount>@.*)\b", RegexOptions.IgnoreCase);
-        private static readonly Regex _selectRowCountRegularExpression = new Regex(@"^\s*select\s*@@rowcount\s*[;]?\s*$", RegexOptions.IgnoreCase);
+        private static readonly Regex _selectRowCountRegularExpression = new Regex(@"^\s*select\s*@@rowcount\s*;?\s*$", RegexOptions.IgnoreCase);
         private static readonly Regex _ifStatementRegex = new Regex(@"^\s*if\s*(?<not>not)?\s*exists\s*\((?<sqlCheckCommand>.+)\)\s*then\s*(?<sqlCommand>.*)$", RegexOptions.IgnoreCase);
 
         protected JetCommand(JetCommand source)

src/System.Data.Jet/JetConnection.cs

@@ -417,8 +417,7 @@ namespace System.Data.Jet
 
             try
             {
-                var sqlFormat = "select count(*) from [{0}] where 1=2";
-                CreateCommand(string.Format(sqlFormat, tableName))
+                CreateCommand($"select count(*) from `{tableName}` where 1=2")
                     .ExecuteNonQuery();
                 tableExists = true;
             }

src/System.Data.Jet/JetStoreSchemaDefinition/JetRenameHandling.cs

@@ -2,29 +2,26 @@
 
 namespace System.Data.Jet.JetStoreSchemaDefinition
 {
-    class JetRenameHandling
+    internal class JetRenameHandling
     {
-        private static Regex _renameTableRegex = new Regex(
-            $@"^\s*rename\s+table\s+{GetQuotedOrUnquotedNamePattern("tableName")}\s+to\s+{GetQuotedOrUnquotedNamePattern("newTableName")}\s*$",
+        private static readonly Regex _renameTableRegex = new Regex(
+            $@"^\s*rename\s+table\s+{GetIdentifierPattern("OldTableName")}\s+to\s+{GetIdentifierPattern("NewTableName")}\s*$",
             RegexOptions.IgnoreCase);
 
-        private static Regex _renameTableColumnRegex = new Regex(
-            $@"^\s*rename\s+column\s+{GetQuotedOrUnquotedNamePattern("tableName")}\.{GetQuotedOrUnquotedNamePattern("columnName")}\s+to\s+{GetQuotedOrUnquotedNamePattern("newColumnName")}\s*$",
+        private static readonly Regex _renameTableColumnRegex = new Regex(
+            $@"^\s*rename\s+column\s+{GetIdentifierPattern("TableName")}\s*\.\s*{GetIdentifierPattern("OldColumnName")}\s+to\s+{GetIdentifierPattern("NewColumnName")}\s*$",
             RegexOptions.IgnoreCase);
 
         public static bool TryDatabaseOperation(string connectionString, string commandText)
         {
-            Match match;
-
-
-            match = _renameTableRegex.Match(commandText);
+            var match = _renameTableRegex.Match(commandText);
             if (match.Success)
             {
-                string tableName = match.Groups["tableName"].Value;
-                string newTableName = match.Groups["newTableName"].Value;
+                var oldTableName = match.Groups["OldTableName"].Value;
+                var newTableName = match.Groups["NewTableName"].Value;
                 
                 // TODO: Only use ADOX in an OLE DB context. Use DAO in an ODBC context.
-                AdoxWrapper.RenameTable(connectionString, RemoveBrackets(tableName), RemoveBrackets(newTableName));
+                AdoxWrapper.RenameTable(connectionString, oldTableName, newTableName);
                 
                 return true;
             }
@@ -32,28 +29,20 @@ namespace System.Data.Jet.JetStoreSchemaDefinition
             match = _renameTableColumnRegex.Match(commandText);
             if (match.Success)
             {
-                string tableName = match.Groups["tableName"].Value;
-                string columnName = match.Groups["columnName"].Value;
-                string newColumnName = match.Groups["newColumnName"].Value;
-                AdoxWrapper.RenameColumn(connectionString, RemoveBrackets(tableName), RemoveBrackets(columnName), RemoveBrackets(newColumnName));
+                var tableName = match.Groups["TableName"].Value;
+                var oldColumnName = match.Groups["OldColumnName"].Value;
+                var newColumnName = match.Groups["NewColumnName"].Value;
+                
+                // TODO: Only use ADOX in an OLE DB context. Use DAO in an ODBC context.
+                AdoxWrapper.RenameColumn(connectionString, tableName, oldColumnName, newColumnName);
+                
                 return true;
             }
 
             return false;
         }
 
-        private static string RemoveBrackets(string name)
-        {
-            if (name.StartsWith("[") && name.EndsWith("]"))
-                return name.Substring(1, name.Length - 2);
-            else
-                return name;
-        }
-
-
-        static string GetQuotedOrUnquotedNamePattern(string key)
-        {
-            return $@"((?<{key}>\S*)|\[(?<{key}>.*)\])";
-        }
+        private static string GetIdentifierPattern(string key)
+            => $@"(?:`(?<{key}>.*?)`|\[(?<{key}>.*?)\]|(?<{key}>\S*))";
     }
 }

src/System.Data.Jet/JetStoreSchemaDefinition/JetStoreSchemaDefinitionRetrieve.cs

@@ -85,8 +85,8 @@ namespace System.Data.Jet.JetStoreSchemaDefinition
                 if (showStatementPosition == -1)
                     continue;
 
-                commandText = commandText.ReplaceCaseInsensitive("\\(\\s*show " + table.Name + "\\s*\\)", "[" + table.TableName + "]");
-                commandText = commandText.ReplaceCaseInsensitive("show " + table.Name, "[" + table.TableName + "]");
+                commandText = commandText.ReplaceCaseInsensitive("\\(\\s*show " + table.Name + "\\s*\\)", "`" + table.TableName + "`");
+                commandText = commandText.ReplaceCaseInsensitive("show " + table.Name, "`" + table.TableName + "`");
                 tablesToCreate.Add(table);
             }
 
@@ -174,13 +174,13 @@ namespace System.Data.Jet.JetStoreSchemaDefinition
                         values += ", ";
                     }
 
-                    columns += string.Format("[{0}]", column.ColumnName);
+                    columns += string.Format("`{0}`", column.ColumnName);
                     object value = row[column];
                     values += JetSyntaxHelper.ToSqlStringSwitch(value);
                 }
             }
 
-            return string.Format("INSERT INTO [{0}] ({1}) VALUES ({2})", tableName, columns, values);
+            return string.Format("INSERT INTO `{0}` ({1}) VALUES ({2})", tableName, columns, values);
         }
 
         [DebuggerStepThrough]

src/System.Data.Jet/JetStoreSchemaDefinition/SystemTableCollection.cs

@@ -71,11 +71,11 @@ namespace System.Data.Jet.JetStoreSchemaDefinition
 
             foreach (SystemTable table in this)
             {
-                table.DropStatement = string.Format("DROP TABLE [{0}]", table.TableName);
-                table.ClearStatement = string.Format("DELETE FROM [{0}]", table.TableName);
+                table.DropStatement = string.Format("DROP TABLE `{0}`", table.TableName);
+                table.ClearStatement = string.Format("DELETE FROM `{0}`", table.TableName);
                 
                 StringBuilder createStatementStringBuilder = new StringBuilder();
-                createStatementStringBuilder.AppendFormat("CREATE TABLE [{0}]\r\n", table.TableName);
+                createStatementStringBuilder.AppendFormat("CREATE TABLE `{0}`\r\n", table.TableName);
                 createStatementStringBuilder.Append("(");
                 bool first = true;
                 foreach (Column column in table.Columns)
@@ -85,7 +85,7 @@ namespace System.Data.Jet.JetStoreSchemaDefinition
                     else
                         createStatementStringBuilder.Append(",");
                     createStatementStringBuilder.AppendLine();
-                    createStatementStringBuilder.AppendFormat("    [{0}] {1}{2} {3}", 
+                    createStatementStringBuilder.AppendFormat("    `{0}` {1}{2} {3}", 
                         column.Name, 
                         column.Type, 
                         column.MaxLength == null ? "" : string.Format("({0})", column.MaxLength), 

src/System.Data.Jet/JetSyntaxHelper.cs

@@ -15,7 +15,7 @@ namespace System.Data.Jet
         public static string ToSqlString(string value)
         {
             // In Jet everything's unicode
-            return "'" + value.Replace("'", "''") + "'";
+            return $"'{value.Replace("'", "''")}'";
         }
 
         public static string ToSqlString(int value)
@@ -84,9 +84,9 @@ namespace System.Data.Jet
         internal static string QuoteIdentifier(string name)
         {
             if (string.IsNullOrWhiteSpace(name))
-                throw new ArgumentNullException("name");
+                throw new ArgumentNullException(nameof(name));
 
-            return "[" + name.Replace("]", "]]") + "]";
+            return $"`{name}`";
         }
 
         /// <summary>