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drop table persons;
CREATE TABLE persons (
id int NOT NULL,
name varchar(255) NOT NULL,
surname varchar(255) NOT NULL,
password varchar(64)
);
drop table institutes;
CREATE TABLE institutes (
id int NOT NULL,
name varchar(255)
);
drop table documents;
CREATE TABLE documents (
id int NOT NULL,
title varchar(255) NOT NULL,
abstract varchar(255)
);
drop table authors_docs;
CREATE TABLE authors_docs (
pers_id int NOT NULL,
doc_id int NOT NULL
);
drop table phones;
CREATE TABLE phones (
id int NOT NULL ,
phone varchar(255) NOT NULL ,
pers_id int NOT NULL
);
drop table referrals;
CREATE TABLE referrals (
id int NOT NULL,
name varchar(255) NOT NULL,
url varchar(255) NOT NULL
);
ALTER TABLE authors_docs ADD
CONSTRAINT PK_authors_docs PRIMARY KEY
(
pers_id,
doc_id
);
ALTER TABLE documents ADD
CONSTRAINT PK_documents PRIMARY KEY
(
id
);
ALTER TABLE institutes ADD
CONSTRAINT PK_institutes PRIMARY KEY
(
id
);
ALTER TABLE persons ADD
CONSTRAINT PK_persons PRIMARY KEY
(
id
);
ALTER TABLE phones ADD
CONSTRAINT PK_phones PRIMARY KEY
(
id
);
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