diff --git a/sqlmig b/sqlmig
index 8aab7c8..cc2aa82 100755
--- a/sqlmig
+++ b/sqlmig
@@ -76,6 +76,12 @@ OPTIONS
         spécifié au nom de la base de données. Cette valeur peut être spécifiée
         dans la section [sqlmig] du fichier my.cnf ou avec la variable SUFFIX
         pour ora.conf
+    --csv-null VALUE
+        Lors de la conversion des fichiers .csv en .sql, considérer que VALUE
+        représente la valeur NULL. Par défaut, utiliser la chaine vide
+    --csv-null-mysql
+    --csv-null-upper
+        Aliases pour --csv-null '\\N' et --csv-null NULL respectivement
 
     --profile PROFILE
     -P, --prod
@@ -304,6 +310,13 @@ function set_dbdirs() {
     fi
 }
 
+function fix_csv_null() {
+    case "$csv_null" in
+    mysql) csv_null='\N';;
+    upper) csv_null=NULL;;
+    esac
+}
+
 ################################################################################
 # MySQL
 
@@ -441,42 +454,43 @@ function mysql_set_adminargs() {
     fi
     [ ${#adminargs[*]} -gt 0 ] || array_add adminargs --default-character-set utf8
 }
+function mysql__mconf_get() {
+    local defaults="$1" tmp
+    if [ -n "$set_suffix" ]; then
+        setx tmp=mconf_get "$defaults" sqlmig suffix
+        [ -n "$tmp" ] && suffix="$tmp"
+    fi
+    if [ -n "$set_csv_null" ]; then
+        setx tmp=mconf_get "$defaults" sqlmig csv_null
+        [ -n "$tmp" ] && {
+            csv_null="$tmp"
+            fix_csv_null
+        }
+    fi
+}
 function mysql_set_userargs() {
-    local dir="$1" dbname="$2" defaults set_suffix tmpsuffix
+    local dir="$1" dbname="$2" defaults
+    local set_suffix set_csv_null
     userargs=()
     setx defaults=mysql_get_defaults "$dir"
     [ -z "$suffix" ] && set_suffix=1
+    [ -z "$csv_null" ] && set_csv_null=1
     if [ -f "$defaults" ]; then
         array_add userargs --defaults-file="$defaults"
-        if [ -n "$set_suffix" ]; then
-            setx tmpsuffix=mconf_get "$defaults" sqlmig suffix
-            [ -n "$tmpsuffix" ] && suffix="$tmpsuffix"
-        fi
+        mysql__mconf_get "$defaults"
         if [ -n "$userdefaults" ]; then
             array_add userargs --defaults-extra-file="$userdefaults"
-            if [ -n "$set_suffix" ]; then
-                setx tmpsuffix=mconf_get "$userdefaults" sqlmig suffix
-                [ -n "$tmpsuffix" ] && suffix="$tmpsuffix"
-            fi
+            mysql__mconf_get "$userdefaults"
         elif [ -f "$dir/my-${dbname}.cnf" ]; then
             array_add userargs --defaults-extra-file="$dir/my-${dbname}.cnf"
-            if [ -n "$set_suffix" ]; then
-                setx tmpsuffix=mconf_get "$dir/my-${dbname}.cnf" sqlmig suffix
-                [ -n "$tmpsuffix" ] && suffix="$tmpsuffix"
-            fi
+            mysql__mconf_get "$dir/my-${dbname}.cnf"
         fi
     elif [ -n "$userdefaults" ]; then
         array_add userargs --defaults-file="$userdefaults"
-        if [ -n "$set_suffix" ]; then
-            setx tmpsuffix=mconf_get "$userdefaults" sqlmig suffix
-            [ -n "$tmpsuffix" ] && suffix="$tmpsuffix"
-        fi
+        mysql__mconf_get "$userdefaults"
     elif [ -f "$dir/my-${dbname}.cnf" ]; then
         array_add userargs --defaults-file="$dir/my-${dbname}.cnf"
-        if [ -n "$set_suffix" ]; then
-            setx tmpsuffix=mconf_get "$dir/my-${dbname}.cnf" sqlmig suffix
-            [ -n "$tmpsuffix" ] && suffix="$tmpsuffix"
-        fi
+        mysql__mconf_get "$dir/my-${dbname}.cnf"
     fi
     [ ${#userargs[*]} -gt 0 ] || array_add userargs --default-character-set utf8
 }
@@ -797,7 +811,7 @@ function oracle_source_adminconf() {
 }
 function oracle_source_userconf() {
     local dir="$1" dbname="$2"
-    unset ORACLE_SID NLS_LANG ADMINCONNECT USERCONNECT SQLMIGLOG SUFFIX
+    unset ORACLE_SID NLS_LANG ADMINCONNECT USERCONNECT SQLMIGLOG SUFFIX CSV_NULL
     setx defaults=oracle_get_defaults "$dir"
     [ -f "$defaults" ] && source "$defaults"
     [ -f "$dir/ora-${dbname}.conf" ] && source "$dir/ora-${dbname}.conf"
@@ -821,6 +835,10 @@ function oracle_source_userconf() {
     fi
     [ -n "$SQLMIGLOG" ] || SQLMIGLOG="/tmp/sqlmig-${ORACLE_SID}-${dbname}.log"
     [ -z "$suffix" ] && suffix="$SUFFIX"
+    [ -z "$csv_null" ] && {
+        csv_null="$CSV_NULL"
+        fix_csv_null
+    }
 }
 ORACLE_ADMIN_CONF_DONE=
 function oracle_admin_update() {
@@ -884,6 +902,7 @@ charset=
 oracle_sid=
 nls_lang=
 suffix=
+csv_null=
 profile=
 type=auto
 action=update
@@ -911,6 +930,9 @@ args=(
     -s:,--oracle-sid: oracle_sid=
     --nls-lang: nls_lang=
     --suffix: suffix=
+    --csv-null: csv_null=
+    --csv-null-mysql csv_null='\N'
+    --csv-null-upper csv_null=NULL
     --profile: profile=
     -P,--prod profile=prod
     -T,--test profile=test
@@ -1005,7 +1027,11 @@ create database @@database@@;"
 #socket=/var/run/mysqld/mysqld.sock
 
 [mysql]
-default-character-set=utf8"
+default-character-set=utf8
+
+[sqlmig]
+#suffix=
+csv_null="
         fi
 
         if [ ! -f "$dbdir/my-${dbname}.cnf" ]; then
@@ -1051,7 +1077,10 @@ ADMINCONNECT=
 # paramètres de connexion pour les mises à jour utilisateur
 USERCONNECT=$dbname/password
 # logs des mises à jour
-SQLMIGLOG=\"/tmp/sqlmig-\${ORACLE_SID}-${dbname}.log\""
+SQLMIGLOG=\"/tmp/sqlmig-\${ORACLE_SID}-${dbname}.log\"
+# divers
+#SUFFIX=
+#CSV_NULL="
         fi
 
     else
@@ -1239,7 +1268,7 @@ for dbdir in "${dbdirs[@]}"; do
   gsub(/'\''/, "'\'\\\\\'\''")
   print "table='\''" $0 "'\''"
 }' <<<"$csvname")" #"
-            "$scriptdir/mysqlloadcsv" >"$sql" ${truncate:+-T} -nIf "$csv" "$table" --prefix "-- -*- coding: utf-8 mode: sql -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8"
+            "$scriptdir/mysqlloadcsv" >"$sql" ${truncate:+-T} -Z "$csv_null" -nIf "$csv" "$table" --prefix "-- -*- coding: utf-8 mode: sql -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8"
         done
         eend; eclearp
     fi