diff --git a/bin/tables.js b/bin/tables.js
index 44377e5..2f74886 100755
--- a/bin/tables.js
+++ b/bin/tables.js
@@ -69,6 +69,11 @@ command.option(
                                   expression that starts with "/", for example "/^(key|column)$" or can be a
                                   comma-delimited list of columns such as "key|column_1" or ".*key|.*id".`
 );
+command.option(
+  '-s, --string-columns [name]',
+  `A comma-delimited list of columns that would be treated as string instead of guessed.
+                                  Only the length of the string would be guessed.`
+);
 command.option(
   '-t, --transformer [file]',
   `Reference to JS file that exports a function to transform data
@@ -150,6 +155,9 @@ async function cli() {
     key: command.key
       ? _.map(command.key.split(','), d => _.snakeCase(d.trim()))
       : undefined,
+    stringColumns: command.stringColumns
+      ? _.map(command.stringColumns.split(','), d => _.snakeCase(d.trim()))
+      : undefined,
     id: command.id ? command.id : undefined,
     fieldsToIndex:
       command.indexFields && command.indexFields.match(/^\//)
@@ -170,7 +178,7 @@ async function cli() {
     transformer: command.transformer ? command.transformer : undefined,
     models: command.models ? command.models : undefined
   };
-
+  
   // Input type specific options
   if (command.jsonPath) {
     options.format = 'json';
diff --git a/lib/guess-model.js b/lib/guess-model.js
index 923e0af..421d38e 100644
--- a/lib/guess-model.js
+++ b/lib/guess-model.js
@@ -129,9 +129,12 @@ function dataToType(data, name, tablesOptions = {}) {
   let maxLength = _.maxBy(data, d => (d && d.length ? d.length : 0));
   maxLength = maxLength ? maxLength.length : maxLength;
   let kind;
-
+  // If string is passed as option we just use that
+  if (tablesOptions.stringColumns && tablesOptions.stringColumns.indexOf(_.snakeCase(name)) != -1) {
+    kind = 'STRING';
+  }
   // If none, then just assume string
-  if (_.size(data) === 0) {
+  else if (_.size(data) === 0) {
     return Sequelize.STRING;
   }
   // If there is only one kind, stick with that