diff --git a/app.db b/app.db
index 87405cc..2d78676 100644
Binary files a/app.db and b/app.db differ
diff --git a/migrations/versions/c000b3a8d714_.py b/migrations/versions/c000b3a8d714_.py
new file mode 100644
index 0000000..841af97
--- /dev/null
+++ b/migrations/versions/c000b3a8d714_.py
@@ -0,0 +1,76 @@
+"""empty message
+
+Revision ID: c000b3a8d714
+Revises: c1377d41bf27
+Create Date: 2021-05-06 17:50:35.360220
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'c000b3a8d714'
+down_revision = 'c1377d41bf27'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('AC',
+    sa.Column('code', sa.String(length=6), nullable=False),
+    sa.Column('titre', sa.String(length=255), nullable=True),
+    sa.Column('saes', sa.String(length=255), nullable=True),
+    sa.PrimaryKeyConstraint('code')
+    )
+    op.create_table('SAE',
+    sa.Column('code', sa.String(length=5), nullable=False),
+    sa.Column('titre', sa.String(length=255), nullable=True),
+    sa.Column('semestre', sa.String(length=255), nullable=True),
+    sa.Column('heures_encadrees', sa.String(length=3), nullable=True),
+    sa.Column('heures_tp', sa.String(length=3), nullable=True),
+    sa.Column('projet', sa.String(length=3), nullable=True),
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('coef', sa.String(length=255), nullable=True),
+    sa.Column('acs', sa.String(length=255), nullable=True),
+    sa.Column('ressources', sa.String(length=255), nullable=True),
+    sa.Column('livrables', sa.Text(), nullable=True),
+    sa.Column('motscles', sa.String(length=255), nullable=True),
+    sa.PrimaryKeyConstraint('code')
+    )
+    op.create_table('competence',
+    sa.Column('code', sa.String(length=3), nullable=False),
+    sa.Column('nom', sa.String(length=255), nullable=True),
+    sa.Column('diminutif', sa.String(length=30), nullable=True),
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('composantes', sa.Text(), nullable=True),
+    sa.Column('situations', sa.Text(), nullable=True),
+    sa.Column('niveaux', sa.Text(), nullable=True),
+    sa.PrimaryKeyConstraint('code')
+    )
+    op.create_table('ressource',
+    sa.Column('code', sa.String(length=4), nullable=False),
+    sa.Column('nom', sa.String(length=255), nullable=True),
+    sa.Column('semestre', sa.String(length=255), nullable=True),
+    sa.Column('heures_formation', sa.String(length=3), nullable=True),
+    sa.Column('heures_tp', sa.String(length=3), nullable=True),
+    sa.Column('coef', sa.String(length=255), nullable=True),
+    sa.Column('acs', sa.String(length=255), nullable=True),
+    sa.Column('saes', sa.String(length=255), nullable=True),
+    sa.Column('prerequis', sa.String(length=255), nullable=True),
+    sa.Column('contexte', sa.Text(), nullable=True),
+    sa.Column('contenu', sa.Text(), nullable=True),
+    sa.Column('motscles', sa.String(length=255), nullable=True),
+    sa.PrimaryKeyConstraint('code')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('ressource')
+    op.drop_table('competence')
+    op.drop_table('SAE')
+    op.drop_table('AC')
+    # ### end Alembic commands ###