databases: PostgreSQL 10, PgAdmin4, SqlServer 2019, Oracle 11XE, Sybase 16

docker-compose.yaml

version: '3.1'

services:
  xpostgres:
    image: postgres:10.10
    environment:
      POSTGRES_DB: ics
      POSTGRES_USER: ics
      POSTGRES_PASSWORD: ics
    ports:
      - 5432:5432
    volumes:
      - ./postgres-data:/var/lib/postgresql/data
    networks:
      - postgres-net

  xpgadmin:
    # connect to xpostgres:5432
    # creds to db from above
    image: dpage/pgadmin4
    environment:
      PGADMIN_DEFAULT_EMAIL: ics@a.com
      PGADMIN_DEFAULT_PASSWORD: ics
    ports:
      - 4000:80
    networks:
      - postgres-net
    depends_on:
      - xpostgres

  xsqlserver:
    # creds: sa/Pa55w0rd
    image: mcr.microsoft.com/mssql/server:2019-CTP3.2-ubuntu
    environment:
      ACCEPT_EULA: Y
      SA_PASSWORD: Pa55w0rd
    ports:
      - 1433:1433
    # volume not supported on Mac

  xoracle:
    # creds: system/oracle
    # SID seems to be case sensitive: "xe"
    # port: 1521
    image: quay.io/maksymbilenko/oracle-xe-11g
    environment:
      ORACLE_PWD: Pa55w0rd
    shm_size: '1gb'
    ports:
      - 1521:1521
      - 8080:8080
    volumes:
      - ./oracle-data:/u01/app/oracle

#  xsybase:
##  это дерьмо весит 2+ гб!
#    # creds: sa/myPassword
#    image: datagrip/sybase
#    environment:
#      SYBASE_DB: ics
#      SYBASE_USER: ics
#      SYBASE_PASSWORD: ics
#    ports:
#      - 5000:5000

networks:
  postgres-net:
    driver: bridge

postgres.sql

create table Tests
(
    id int primary key,
    foo varchar(20)
)


insert into Tests values
(1, 'hello'),
(2, 'world')

delete from Tests

select * from Tests

sql-server.sql

CREATE DATABASE TestDB

SELECT Name from sys.Databases
GO

USE TestDB
CREATE TABLE Inventory (id INT, name NVARCHAR(50), quantity INT)
INSERT INTO Inventory VALUES (1, 'banana', 150);
INSERT INTO Inventory VALUES (2, 'orange', 154);
GO

select * from Inventory

the-mighty-oracle.sql

select banner from v$version where rownum = 1;

ALTER SESSION SET CURRENT_SCHEMA = "SYSTEM";

CREATE TABLE customers
( customer_id number(10) NOT NULL,
  customer_name varchar2(50) NOT NULL,
  city varchar2(50)
);

insert into customers
(customer_id, customer_name, city) VALUES
(1, 'anthony', 'moscow');

select * from customers;




create table emp
(
    user_mobile number(10) not null,
    update_date date,
    start_date date,
    end_date date
);

insert into emp values (9631234567, '01.03.2016', '01.03.2016', null);
insert into emp values (9159876543, '01.10.2018', '01.10.2018', null);
insert into emp values (9159876543, '01.11.2018', null, '01.11.2018');
insert into emp values (9159876543, '01.12.2018', '01.12.2018', null);
insert into emp values (9159876543, '01.01.2019', null, '01.01.2019');

select * from emp;

create or replace procedure MergeEmployeeDates
(
    employeeMobilePhone in number
)
is
    cursor cursorOverSingleEmployee is
        select start_date, end_date
        from emp
        where user_mobile = employeeMobilePhone
        order by update_date asc;
begin
    dbms_output.put_line(employeeMobilePhone);

    for employeeEventRow in cursorOverSingleEmployee
    loop
        dbms_output.put_line('Variable value= ' ||  employeeEventRow.start_date );
    end loop;
end;


Set serveroutput on;

begin
    MergeEmployeeDates(9159876543);
end;