diff --git a/plugins/calendar/drivers/kolab/SQL/oracle.initial.sql b/plugins/calendar/drivers/kolab/SQL/oracle.initial.sql
new file mode 100644
index 00000000..d6d882bd
--- /dev/null
+++ b/plugins/calendar/drivers/kolab/SQL/oracle.initial.sql
@@ -0,0 +1,31 @@
+/**
+ * Roundcube Calendar Kolab backend
+ *
+ * @author Aleksander Machniak
+ * @licence GNU AGPL
+ **/
+
+CREATE TABLE "kolab_alarms" (
+    "alarm_id" varchar(255) NOT NULL PRIMARY KEY,
+    "user_id" integer NOT NULL
+        REFERENCES "users" ("user_id") ON DELETE CASCADE,
+    "notifyat" timestamp DEFAULT NULL,
+    "dismissed" smallint DEFAULT 0 NOT NULL
+);
+
+CREATE INDEX "kolab_alarms_user_id_idx" ON "kolab_alarms" ("user_id");
+
+
+CREATE TABLE "itipinvitations" (
+    "token" varchar(64) NOT NULL PRIMARY KEY,
+    "event_uid" varchar(255) NOT NULL,
+    "user_id" integer NOT NULL
+        REFERENCES "users" ("user_id") ON DELETE CASCADE,
+    "event" long NOT NULL,
+    "expires" timestamp DEFAULT NULL,
+    "cancelled" smallint DEFAULT 0 NOT NULL
+);
+
+CREATE INDEX "itipinvitations_user_id_idx" ON "itipinvitations" ("user_id", "event_uid");
+
+INSERT INTO "system" ("name", "value") VALUES ('calendar-kolab-version', '2014041700');
diff --git a/plugins/libkolab/SQL/oracle.initial.sql b/plugins/libkolab/SQL/oracle.initial.sql
new file mode 100644
index 00000000..2c078cb6
--- /dev/null
+++ b/plugins/libkolab/SQL/oracle.initial.sql
@@ -0,0 +1,184 @@
+/**
+ * libkolab database schema
+ *
+ * @version 1.1
+ * @author Aleksander Machniak
+ * @licence GNU AGPL
+ **/
+
+
+CREATE TABLE "kolab_folders" (
+    "folder_id" number NOT NULL PRIMARY KEY,
+    "resource" VARCHAR(255) NOT NULL,
+    "type" VARCHAR(32) NOT NULL,
+    "synclock" integer DEFAULT 0 NOT NULL,
+    "ctag" VARCHAR(40) DEFAULT NULL
+);
+
+CREATE INDEX "kolab_folders_resource_idx" ON "kolab_folders" ("resource", "type");
+
+CREATE SEQUENCE "kolab_folders_seq"
+    START WITH 1 INCREMENT BY 1 NOMAXVALUE;
+
+CREATE TRIGGER "kolab_folders_seq_trig"
+BEFORE INSERT ON "kolab_folders" FOR EACH ROW
+BEGIN
+    :NEW."folder_id" := "kolab_folders_seq".nextval;
+END;
+
+
+CREATE TABLE "kolab_cache_contact" (
+    "folder_id" number NOT NULL
+        REFERENCES "kolab_folders" ("folder_id") ON DELETE CASCADE,
+    "msguid" number NOT NULL,
+    "uid" varchar(128) NOT NULL,
+    "created" timestamp DEFAULT NULL,
+    "changed" timestamp DEFAULT NULL,
+    "data" clob NOT NULL,
+    "xml" clob NOT NULL,
+    "tags" varchar(255) DEFAULT NULL,
+    "words" clob DEFAULT NULL,
+    "type" varchar(32) NOT NULL,
+    "name" varchar(255) DEFAULT NULL,
+    "firstname" varchar(255) DEFAULT NULL,
+    "surname" varchar(255) DEFAULT NULL,
+    "email" varchar(255) DEFAULT NULL,
+    PRIMARY KEY ("folder_id", "msguid")
+);
+
+CREATE INDEX "kolab_cache_contact_type_idx" ON "kolab_cache_contact" ("folder_id", "type");
+CREATE INDEX "kolab_cache_contact_uid2msguid" ON "kolab_cache_contact" ("folder_id", "uid", "msguid");
+
+
+CREATE TABLE "kolab_cache_event" (
+    "folder_id" number NOT NULL
+        REFERENCES "kolab_folders" ("folder_id") ON DELETE CASCADE,
+    "msguid" number NOT NULL,
+    "uid" varchar(128) NOT NULL,
+    "created" timestamp DEFAULT NULL,
+    "changed" timestamp DEFAULT NULL,
+    "data" clob NOT NULL,
+    "xml" clob NOT NULL,
+    "tags" varchar(255) DEFAULT NULL,
+    "words" clob DEFAULT NULL,
+    "dtstart" timestamp DEFAULT NULL,
+    "dtend" timestamp DEFAULT NULL,
+    PRIMARY KEY ("folder_id", "msguid")
+);
+
+CREATE INDEX "kolab_cache_event_uid2msguid" ON "kolab_cache_event" ("folder_id", "uid", "msguid");
+
+
+CREATE TABLE "kolab_cache_task" (
+    "folder_id" number NOT NULL
+        REFERENCES "kolab_folders" ("folder_id") ON DELETE CASCADE,
+    "msguid" number NOT NULL,
+    "uid" varchar(128) NOT NULL,
+    "created" timestamp DEFAULT NULL,
+    "changed" timestamp DEFAULT NULL,
+    "data" clob NOT NULL,
+    "xml" clob NOT NULL,
+    "tags" varchar(255) DEFAULT NULL,
+    "words" clob DEFAULT NULL,
+    "dtstart" timestamp DEFAULT NULL,
+    "dtend" timestamp DEFAULT NULL,
+    PRIMARY KEY ("folder_id", "msguid")
+);
+
+CREATE INDEX "kolab_cache_task_uid2msguid" ON "kolab_cache_task" ("folder_id", "uid", "msguid");
+
+
+CREATE TABLE "kolab_cache_journal" (
+    "folder_id" number NOT NULL
+        REFERENCES "kolab_folders" ("folder_id") ON DELETE CASCADE,
+    "msguid" number NOT NULL,
+    "uid" varchar(128) NOT NULL,
+    "created" timestamp DEFAULT NULL,
+    "changed" timestamp DEFAULT NULL,
+    "data" clob NOT NULL,
+    "xml" clob NOT NULL,
+    "tags" varchar(255) DEFAULT NULL,
+    "words" clob DEFAULT NULL,
+    "dtstart" timestamp DEFAULT NULL,
+    "dtend" timestamp DEFAULT NULL,
+    PRIMARY KEY ("folder_id", "msguid")
+);
+
+CREATE INDEX "kolab_cache_journal_uid2msguid" ON "kolab_cache_journal" ("folder_id", "uid", "msguid");
+
+
+CREATE TABLE "kolab_cache_note" (
+    "folder_id" number NOT NULL
+        REFERENCES "kolab_folders" ("folder_id") ON DELETE CASCADE,
+    "msguid" number NOT NULL,
+    "uid" varchar(128) NOT NULL,
+    "created" timestamp DEFAULT NULL,
+    "changed" timestamp DEFAULT NULL,
+    "data" clob NOT NULL,
+    "xml" clob NOT NULL,
+    "tags" varchar(255) DEFAULT NULL,
+    "words" clob DEFAULT NULL,
+    PRIMARY KEY ("folder_id", "msguid")
+);
+
+CREATE INDEX "kolab_cache_note_uid2msguid" ON "kolab_cache_note" ("folder_id", "uid", "msguid");
+
+
+CREATE TABLE "kolab_cache_file" (
+    "folder_id" number NOT NULL
+        REFERENCES "kolab_folders" ("folder_id") ON DELETE CASCADE,
+    "msguid" number NOT NULL,
+    "uid" varchar(128) NOT NULL,
+    "created" timestamp DEFAULT NULL,
+    "changed" timestamp DEFAULT NULL,
+    "data" clob NOT NULL,
+    "xml" clob NOT NULL,
+    "tags" varchar(255) DEFAULT NULL,
+    "words" clob DEFAULT NULL,
+    "filename" varchar(255) DEFAULT NULL,
+    PRIMARY KEY ("folder_id", "msguid")
+);
+
+CREATE INDEX "kolab_cache_file_filename" ON "kolab_cache_file" ("folder_id", "filename");
+CREATE INDEX "kolab_cache_file_uid2msguid" ON "kolab_cache_file" ("folder_id", "uid", "msguid");
+
+
+CREATE TABLE "kolab_cache_configuration" (
+    "folder_id" number NOT NULL
+        REFERENCES "kolab_folders" ("folder_id") ON DELETE CASCADE,
+    "msguid" number NOT NULL,
+    "uid" varchar(128) NOT NULL,
+    "created" timestamp DEFAULT NULL,
+    "changed" timestamp DEFAULT NULL,
+    "data" clob NOT NULL,
+    "xml" clob NOT NULL,
+    "tags" varchar(255) DEFAULT NULL,
+    "words" clob DEFAULT NULL,
+    "type" varchar(32) NOT NULL,
+    PRIMARY KEY ("folder_id", "msguid")
+);
+
+CREATE INDEX "kolab_cache_config_type" ON "kolab_cache_configuration" ("folder_id", "type");
+CREATE INDEX "kolab_cache_config_uid2msguid" ON "kolab_cache_configuration" ("folder_id", "uid", "msguid");
+
+
+CREATE TABLE "kolab_cache_freebusy" (
+    "folder_id" number NOT NULL
+        REFERENCES "kolab_folders" ("folder_id") ON DELETE CASCADE,
+    "msguid" number NOT NULL,
+    "uid" varchar(128) NOT NULL,
+    "created" timestamp DEFAULT NULL,
+    "changed" timestamp DEFAULT NULL,
+    "data" clob NOT NULL,
+    "xml" clob NOT NULL,
+    "tags" varchar(255) DEFAULT NULL,
+    "words" clob DEFAULT NULL,
+    "dtstart" timestamp DEFAULT NULL,
+    "dtend" timestamp DEFAULT NULL,
+    PRIMARY KEY("folder_id", "msguid")
+);
+
+CREATE INDEX "kolab_cache_fb_uid2msguid" ON "kolab_cache_freebusy" ("folder_id", "uid", "msguid");
+
+
+INSERT INTO "system" ("name", "value") VALUES ('libkolab-version', '2014021000');