| 1 | drop table if exists people cascade;
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| 2 | drop table if exists accused cascade;
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| 3 | drop table if exists witness cascade;
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| 4 | drop table if exists victim cascade;
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| 5 | drop table if exists policeman cascade;
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| 6 | drop table if exists officer cascade;
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| 7 | drop table if exists sector_of_interal_affairs cascade;
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| 8 | drop table if exists police_station cascade;
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| 9 | drop table if exists crime_case cascade;
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| 10 | drop table if exists statements cascade;
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| 11 | drop table if exists type_of_crime cascade;
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| 12 | drop table if exists solved_case cascade;
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| 13 | drop table if exists evidence cascade;
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| 14 | drop table if exists mentions_evidence cascade;
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| 15 | drop table if exists accused_for cascade;
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| 16 | drop table if exists case_belongs_to_type_of_crime cascade;
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| 17 |
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| 18 | drop schema if exists project cascade;
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| 19 |
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| 20 | create schema project;
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| 21 |
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| 22 | create table People (
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| 23 | pe_id bigint primary key,
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| 24 | first_name varchar(255) NOT NULL,
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| 25 | last_name varchar(255) NOT NULL,
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| 26 | gender varchar(10) NOT NULL,
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| 27 | address varchar(4000) NOT NULL,
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| 28 | picture varchar(4000) NOT NULL,
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| 29 | contact varchar(30) NOT NULL,
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| 30 | embg char(13) unique,
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| 31 | date_of_birth date NOT NULL,
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| 32 | country varchar(255) NOT NULL,
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| 33 | nationality varchar(255) NOT NULL
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| 34 | );
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| 35 | create table Sector_of_interal_affairs(
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| 36 | s_id bigint primary key,
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| 37 | city varchar(255) NOT NULL
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| 38 | );
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| 39 | create table Accused(
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| 40 | pe_id bigint primary key references people(pe_id)
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| 41 | );
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| 42 | create table Witness(
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| 43 | pe_id bigint primary key references people(pe_id)
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| 44 | );
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| 45 | create table Victim(
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| 46 | pe_id bigint primary key references people(pe_id)
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| 47 | );
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| 48 |
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| 49 | create table Officer(
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| 50 | pe_id bigint primary key references people(pe_id),
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| 51 | o_date_of_employment date NOT NULL,
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| 52 | o_badge_no bigint NOT NULL,
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| 53 | o_password varchar(255) NOT NULL
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| 54 | );
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| 55 |
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| 56 | create table Police_station (
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| 57 | p_id bigint primary key,
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| 58 | p_address varchar(4000) NOT NULL,
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| 59 | s_id bigint NOT NULL references Sector_of_interal_affairs(s_id),
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| 60 | pe_id bigint NOT NULL references Officer(pe_id)
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| 61 | );
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| 62 | create table Policeman(
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| 63 | pe_id bigint primary key references people(pe_id),
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| 64 | badge_no bigint NOT NULL,
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| 65 | p_date_of_employment date NOT NULL,
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| 66 | rank smallint NOT NULL,
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| 67 | p_id bigint NOT NULL references police_station(p_id),
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| 68 | p_password varchar(255) NOT NULL
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| 69 | );
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| 70 | create table Crime_case (
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| 71 | c_id bigint primary key,
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| 72 | c_name varchar(255) NOT NULL,
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| 73 | opening_date date NOT NULL,
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| 74 | c_status varchar(2) NOT NULL,
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| 75 | p_id bigint NOT NULL references Police_station(p_id)
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| 76 | );
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| 77 | create table Statements (
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| 78 | s_id bigint primary key,
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| 79 | statement_date date NOT NULL,
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| 80 | description varchar(10000) NOT NULL,
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| 81 | incident_timestamp timestamp NOT NULL,
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| 82 | incident_place varchar(4000) NOT NULL,
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| 83 | c_id bigint NOT NULL references Crime_case(c_id),
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| 84 | pe_id bigint NOT NULL references Policeman(pe_id),
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| 85 | victim_pe_id bigint NOT NULL references Victim(pe_id),
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| 86 | witness_pe_id bigint NOT NULL references Witness(pe_id)
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| 87 | );
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| 88 | create table Type_of_crime (
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| 89 | t_id bigint primary key,
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| 90 | t_name varchar(255) NOT NULL
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| 91 | );
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| 92 | create table Solved_case (
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| 93 | sc_description varchar(10000) NOT NULL,
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| 94 | final_document varchar(40000) NOT NULL, -- added as a picture or a scan
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| 95 | c_id bigint NOT NULL references Crime_case(c_id),
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| 96 | date_of_closing date NOT NULL,
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| 97 | constraint solved_case_pkey primary key (c_id,date_of_closing)
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| 98 | );
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| 99 | create table Evidence (
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| 100 | e_id bigint primary key,
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| 101 | e_name varchar(255) NOT NULL,
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| 102 | e_type varchar(255) NOT NULL,
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| 103 | is_found boolean NOT NULL,
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| 104 | e_picture varchar(100000) NOT NULL
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| 105 | );
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| 106 | create table Mentions_evidence (
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| 107 | s_id bigint references Statements(s_id),
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| 108 | e_id bigint references Evidence(e_id),
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| 109 | constraint Mentions_evidence_pkey primary key(s_id,e_id)
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| 110 | );
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| 111 | create table Accused_for (
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| 112 | accused_pe_id bigint references Accused(pe_id),
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| 113 | c_id bigint references Crime_case(c_id),
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| 114 | constraint Accused_For_pkey primary key (accused_pe_id, c_id)
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| 115 | );
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| 116 | create table Case_belongs_to_type_of_crime (
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| 117 | c_id bigint references Crime_case(c_id),
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| 118 | t_id bigint references Type_of_crime(t_id),
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| 119 | constraint Case_belongs_to_type_of_crime_pkey primary key (c_id, t_id)
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| 120 | ); |
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