diff --git a/.travis.yml b/.travis.yml
index 23c1a181ee..f2486aa99c 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,12 +13,16 @@ before_install:
   - export CHROME_BIN=chromium-browser
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
-  - sudo chown -R $(whoami) $(npm config get prefix)/{lib/node_modules,bin,share}
-  - npm cache clean --force
-  - rm -rf node_modules/
+  # - sudo chown -R $(whoami) $(npm config get prefix)/{lib/node_modules,bin,share}
+  # - npm cache clean --force
+  # - rm -rf node_modules/
 
 install:
   - npm run setup --debug
 
 script:
   - npm run doc
+
+cache:
+  directories:
+    - "node_modules"
diff --git a/docs/3.x.x/en/configurations/configurations.md b/docs/3.x.x/en/configurations/configurations.md
index c9f8eab486..d038fc99ec 100644
--- a/docs/3.x.x/en/configurations/configurations.md
+++ b/docs/3.x.x/en/configurations/configurations.md
@@ -179,6 +179,10 @@ Most of the application's configurations are defined by environment. It means th
        - `password` (string): Password used to establish the connection.
        - `options` (object): List of additional options used by the connector.
        - `timezone` (string): Set the default behavior for local time (used only for a SQL database). Default value: `utc`.
+    - `options` Options used for database connection.
+      - `ssl` (boolean): For ssl database connection.
+      - `debug` (boolean): Show database exchanges and errors.
+      - `autoMigration` (boolean): To disable auto tables/columns creation for SQL database.
 
 #### Example
 
diff --git a/packages/strapi-bookshelf/lib/index.js b/packages/strapi-bookshelf/lib/index.js
index cec982670c..d73418eba4 100755
--- a/packages/strapi-bookshelf/lib/index.js
+++ b/packages/strapi-bookshelf/lib/index.js
@@ -501,6 +501,25 @@ module.exports = function(strapi) {
                       }
                     };
 
+                    const storeTable = async (table, attributes) => {
+                      const existTable = await StrapiConfigs.forge({key: `db_model_${table}`}).fetch();
+
+                      if (existTable) {
+                        await StrapiConfigs.forge({id: existTable.id}).save({
+                          value: JSON.stringify(attributes)
+                        }, {
+                          path: true
+                        });
+                      } else {
+                        await StrapiConfigs.forge({
+                          key: `db_model_${table}`,
+                          type: 'object',
+                          value: JSON.stringify(attributes)
+                        }).save();
+                      }
+                    };
+
+
                     if (!tableExist) {
                       const columns = generateColumns(attributes, [`id ${definition.client === 'pg' ? 'SERIAL' : 'INT AUTO_INCREMENT'} NOT NULL PRIMARY KEY`]).join(',\n\r');
 
@@ -513,7 +532,10 @@ module.exports = function(strapi) {
 
                       // Generate indexes.
                       await generateIndexes(table, attributes);
+
+                      await storeTable(table, attributes);
                     } else {
+
                       const columns = Object.keys(attributes);
 
                       // Fetch existing column
@@ -546,9 +568,21 @@ module.exports = function(strapi) {
                         await Promise.all(queries.map(query => ORM.knex.raw(query)));
                       }
 
+                      let previousAttributes;
+                      try {
+                        previousAttributes = JSON.parse((await StrapiConfigs.forge({key: `db_model_${table}`}).fetch()).toJSON().value);
+                      } catch (err) {
+                        await storeTable(table, attributes);
+                        previousAttributes = JSON.parse((await StrapiConfigs.forge({key: `db_model_${table}`}).fetch()).toJSON().value);
+                      }
+
                       // Execute query to update column type
                       await Promise.all(columns.map(attribute =>
                         new Promise(async (resolve) => {
+                          if (JSON.stringify(previousAttributes[attribute]) ===  JSON.stringify(attributes[attribute])) {
+                            return resolve();
+                          }
+
                           const type = getType(attributes[attribute], attribute);
 
                           if (type) {
@@ -567,6 +601,8 @@ module.exports = function(strapi) {
                           resolve();
                         })
                       ));
+
+                      await storeTable(table, attributes);
                     }
                   };
 
@@ -583,7 +619,9 @@ module.exports = function(strapi) {
                   }
 
                   // Equilize tables
-                  await handler(loadedModel.tableName, definition.attributes);
+                  if (connection.options && connection.options.autoMigration !== false) {
+                    await handler(loadedModel.tableName, definition.attributes);
+                  }
 
                   // Equilize polymorphic releations
                   const morphRelations = definition.associations.find((association) => {
@@ -606,7 +644,9 @@ module.exports = function(strapi) {
                       }
                     };
 
-                    await handler(`${loadedModel.tableName}_morph`, attributes);
+                    if (connection.options && connection.options.autoMigration !== false) {
+                      await handler(`${loadedModel.tableName}_morph`, attributes);
+                    }
                   }
 
                   // Equilize many to many releations
diff --git a/packages/strapi-helper-plugin/lib/src/components/ImgPreview/index.js b/packages/strapi-helper-plugin/lib/src/components/ImgPreview/index.js
index 8162593d31..197af53f44 100644
--- a/packages/strapi-helper-plugin/lib/src/components/ImgPreview/index.js
+++ b/packages/strapi-helper-plugin/lib/src/components/ImgPreview/index.js
@@ -8,7 +8,7 @@
 /* eslint-disable no-console */
 import React from 'react';
 import PropTypes from 'prop-types';
-import { get, has, isArray, isEmpty, size } from 'lodash';
+import { get, has, isArray, isEmpty, startsWith, size } from 'lodash';
 import cn from 'classnames';
 
 import BkgImg  from 'assets/icons/icon_upload.svg';
@@ -31,9 +31,10 @@ class ImgPreview extends React.Component {
   componentDidMount() {
     // We don't need the generateImgURL function here since the compo will
     // always have an init value here
+    const file = this.props.multiple ? get(this.props.files, ['0', 'name'], '') : get(this.props.files, 'name');
     this.setState({
       imgURL: get(this.props.files, ['0', 'url'], '') || get(this.props.files, 'url', ''),
-      isImg: this.isPictureType(get(this.props.files, ['0', 'name'], '')),
+      isImg: this.isPictureType(file),
     });
   }
 
@@ -142,10 +143,12 @@ class ImgPreview extends React.Component {
 
   renderContent = () => {
     const fileType = this.getFileType(this.state.imgURL);
-
+    
     if (this.state.isImg) {
+      const imgURL = startsWith(this.state.imgURL, '/') ? `${strapi.backendURL}${this.state.imgURL}` : this.state.imgURL;
+
       return (
-        <img src={this.state.imgURL} alt="" />
+        <img src={imgURL} alt="" />
       );
     }
 
@@ -159,6 +162,7 @@ class ImgPreview extends React.Component {
   render() {
     const { files, onBrowseClick } = this.props;
     const { imgURL } = this.state;
+
     const containerStyle = isEmpty(imgURL) ?
       {
         backgroundImage: `url(${BkgImg})`,
diff --git a/packages/strapi-helper-plugin/lib/src/components/PageFooter/index.js b/packages/strapi-helper-plugin/lib/src/components/PageFooter/index.js
index 898adbf6de..56053b72a4 100644
--- a/packages/strapi-helper-plugin/lib/src/components/PageFooter/index.js
+++ b/packages/strapi-helper-plugin/lib/src/components/PageFooter/index.js
@@ -14,6 +14,7 @@ import GlobalPagination from 'components/GlobalPagination';
 
 import styles from './styles.scss';
 
+/* eslint-disable jsx-a11y/label-has-for */
 function PageFooter(props) {
   return (
     <div className={cn('row', styles.pageFooter)} style={props.style}>
diff --git a/packages/strapi-plugin-content-type-builder/admin/src/components/PopUpRelations/index.js b/packages/strapi-plugin-content-type-builder/admin/src/components/PopUpRelations/index.js
index e7f81ab9b0..2061ac395b 100644
--- a/packages/strapi-plugin-content-type-builder/admin/src/components/PopUpRelations/index.js
+++ b/packages/strapi-plugin-content-type-builder/admin/src/components/PopUpRelations/index.js
@@ -123,8 +123,9 @@ class PopUpRelations extends React.Component {
           value[0],
         );
       } else {
+        const keyValue = get(this.props.values, 'params.nature') === 'oneWay' ? '-' : '';
         this.props.onChange({ target: { name: 'name', value: '' } });
-        this.props.onChange({ target: { name: 'params.key', value: '' } });
+        this.props.onChange({ target: { name: 'params.key', value: keyValue } });
       }
     }
   };
@@ -237,6 +238,8 @@ class PopUpRelations extends React.Component {
 
     const errs = findIndex(this.props.formErrors, ['name',get(this.props.form, ['items', '0', 'name'])]) !== -1 ? this.props.formErrors[findIndex(this.props.formErrors, ['name', get(this.props.form, ['items', '0', 'name'])])].errors: [];
     const errors = findIndex(this.props.formErrors, ['name', get(this.props.form, ['items', '1', 'name'])]) !== -1 ? this.props.formErrors[findIndex(this.props.formErrors, ['name', get(this.props.form, ['items', '1', 'name'])])].errors : [];
+    const contentTypeTargetPlaceholder = get(this.props.values, 'params.nature', '') === 'oneWay' ? '-' : get(this.props.contentType, 'name');
+    const contentTypeTargetValue = get(this.props.values, 'params.nature') === 'oneWay' ? '-' : get(this.props.values, ['params', 'key']);
 
     return (
       <ModalBody className={`${styles.modalBody} ${styles.flex}`}>
@@ -262,12 +265,12 @@ class PopUpRelations extends React.Component {
         />
         <RelationBox
           tabIndex="2"
-          contentTypeTargetPlaceholder={get(this.props.contentType, 'name')}
+          contentTypeTargetPlaceholder={contentTypeTargetPlaceholder}
           relationType={get(this.props.values, ['params', 'nature'])}
           onSubmit={this.props.onSubmit}
           header={header}
           input={get(this.props.form, ['items', '1'])}
-          value={get(this.props.values, ['params', 'key'])}
+          value={contentTypeTargetValue}
           onChange={this.props.onChange}
           didCheckErrors={this.props.didCheckErrors}
           errors={errors}
diff --git a/packages/strapi-plugin-content-type-builder/admin/src/containers/Form/index.js b/packages/strapi-plugin-content-type-builder/admin/src/containers/Form/index.js
index b7ad4851b5..c0513dfa95 100644
--- a/packages/strapi-plugin-content-type-builder/admin/src/containers/Form/index.js
+++ b/packages/strapi-plugin-content-type-builder/admin/src/containers/Form/index.js
@@ -143,7 +143,8 @@ export class Form extends React.Component { // eslint-disable-line react/prefer-
     }
 
     // Check if user is adding a relation with the same content type
-    if (includes(this.props.hash, 'attributerelation') && this.props.modifiedDataAttribute.params.target === this.props.modelName) {
+    
+    if (includes(this.props.hash, 'attributerelation') && this.props.modifiedDataAttribute.params.target === this.props.modelName && get(this.props.modifiedDataAttribute, ['params', 'nature'], '') !== 'oneWay') {
       // Insert two attributes
       this.props.addAttributeRelationToContentType(this.props.modifiedDataAttribute);
     } else {
@@ -168,7 +169,8 @@ export class Form extends React.Component { // eslint-disable-line react/prefer-
     const contentType = this.props.modifiedDataEdit;
     // Add the new attribute to the content type attribute list
     const newAttribute = this.setTempAttribute();
-    contentType.attributes = compact(concat(contentType.attributes, newAttribute, this.setParallelAttribute(newAttribute)));
+    const parallelAttribute = this.props.modelName === get(newAttribute, ['params', 'target']) && get(newAttribute, ['params', 'nature'], '') === 'oneWay' ? null : this.setParallelAttribute(newAttribute);
+    contentType.attributes = compact(concat(contentType.attributes, newAttribute, parallelAttribute));
     // Reset the store and update the parent container
     this.props.contentTypeCreate(contentType);
     // Get the displayed model from the localStorage