[feature] DB creation removed from mssql script, user namespace removed from oracle script, all removedb.sql deleted.

schema/dameng/removedb.sql

@@ -1,4 +0,0 @@
---error: Try to drop default schema of user [ONLYOFFICE]
---DROP SCHEMA onlyoffice;
-
-DROP USER "ONLYOFFICE" CASCADE;

schema/mssql/createdb.sql

@@ -1,7 +1,7 @@
-CREATE DATABASE onlyoffice;
-GO
+-- CREATE DATABASE onlyoffice;
+-- GO
 
-USE onlyoffice;
+-- USE onlyoffice;
 
 CREATE TABLE doc_changes(
     tenant NVARCHAR(255) NOT NULL,
@@ -32,4 +32,4 @@ CREATE TABLE task_result (
     CONSTRAINT unsigned_task_result CHECK(change_id BETWEEN 0 AND 4294967295 AND user_index BETWEEN 0 AND 4294967295)
 );
 
-GO
+GO

schema/mssql/removedb.sql

@@ -1,2 +0,0 @@
-USE onlyoffice;
-DROP DATABASE IF EXISTS onlyoffice;

schema/mysql/removedb.sql

@@ -1 +0,0 @@
-DROP DATABASE IF EXISTS onlyoffice;

schema/oracle/createdb.sql

@@ -2,12 +2,12 @@
 -- Here, "onlyoffice" is a PBD(service) name.
 alter session set container = xepdb1;
 
--- In tables creation section "onlyoffice" is a user name.
+-- Oracle uses users as namespaces for tables creation. In "onlyoffice.table_name" onlyoffice is a user name, so table_name exist only at this namespace.
 -- ----------------------------
 -- Table structure for doc_changes
 -- ----------------------------
 
-CREATE TABLE onlyoffice.doc_changes (
+CREATE TABLE doc_changes (
     tenant NVARCHAR2(255) NOT NULL,
     id NVARCHAR2(255) NOT NULL,
     change_id NUMBER NOT NULL,
@@ -24,7 +24,7 @@ CREATE TABLE onlyoffice.doc_changes (
 -- Table structure for task_result
 -- ----------------------------
 
-CREATE TABLE onlyoffice.task_result (
+CREATE TABLE task_result (
     tenant NVARCHAR2(255) NOT NULL,
     id NVARCHAR2(255) NOT NULL,
     status NUMBER NOT NULL,

schema/oracle/removedb.sql

@@ -1,5 +0,0 @@
--- You must be logged in as SYS(sysdba) user.
--- Here, "onlyoffice" is a PBD(service) name.
-alter session set container = xepdb1;
-
-DROP USER onlyoffice CASCADE;

schema/postgresql/removedb.sql

@@ -1 +0,0 @@
-DROP DATABASE IF EXISTS onlyoffice;