all

Author: chirag127

commands.txt

@@ -0,0 +1,2 @@
+sudo apt install -y default-jdk
+sudo apt install -y default-jre

dbms/3.txt

@@ -9,10 +9,7 @@ sal_amt decimal(8,2) not null,
 tgt_to_get decimal(6,2) not null,
 ytd_sales decimal(6,2) not null,
 remarks varchar(30),
-constraint chk_salesman_no check(salesman_no like 's%'),
-constraint chk_sal_amt check(sal_amt>0),
-constraint chk_tgt_to_get check(tgt_to_get>0),
-constraint chk_ytd_sales check(ytd_sales>0)
+constraint chk_salesman_no check(salesman_no like 's%' and sal_amt>0 and tgt_to_get>0 and ytd_sales>0)
 );
 
 create table sales_order(
@@ -26,13 +23,10 @@ billed_yn char(1),
 dely_date date,
 order_status varchar(10),
 constraint fk_salesman_no foreign key(salesman_no) references sales_master(salesman_no),
-constraint chk_s_order_no check(s_order_no like '0%'),
-constraint chk_dely_type check(dely_type in ('p','f')),
-constraint chk_billed_yn check(billed_yn in ('y','n')),
-constraint chk_order_status check(order_status in ('in process','fulfilled','back order','canceled')),
-constraint chk_dely_date check(dely_date>s_order_date)
+constraint chk_s_order_no check(s_order_no like '0%' and dely_type in ('p','f') and billed_yn in ('y','n') and order_status in ('pending','delivered','cancelled'))
 );
 
+
 create table sales_order_details(
 s_order_no varchar(6) primary key,
 product_no varchar(6) primary key,
@@ -41,9 +35,7 @@ qty_disp int(8),
 product_rate decimal(10,2),
 constraint fk_s_order_no foreign key(s_order_no) references sales_order(s_order_no),
 constraint fk_product_no foreign key(product_no) references product_master(product_no),
-constraint chk_qty_order check(qty_order>0),
-constraint chk_qty_disp check(qty_disp>0),
-constraint chk_product_rate check(product_rate>0)
+constraint chk_qty_order check(qty_order>0 and qty_disp>0 and product_rate>0)
 );
 
 insert into sales_master values('500001','Kiran','A/14 worli','Bombay','400002','Mah',3000,100,50,'Good');
@@ -59,7 +51,6 @@ insert into sales_order values('019003','03-apr-96','0001','F','Y','500001','07-
 insert into sales_order values('046866','20-may-96','0004','P','N','500002','22-may-96','C');
 insert into sales_order values('010008','24-may-96','0005','F','N','500004','26-may-96','Ip');
 
-
 insert into sales_order_details values('019001','P00001',4,4,525);
 insert into sales_order_details values('019001','P07965',2,1,8400);
 insert into sales_order_details values('019001','P07885',2,1,5250);

dbms/4.txt

@@ -1,55 +1,29 @@
 
-create table client_master(
-client_no varchar(5) primary key,
-client_name varchar(20) not null,
-address varchar(20) not null,
-phone_no varchar(10)
-);
-
-create table product_master(
-product_no varchar(6) primary key,
-description varchar(20) not null,
-profit_percent number(3,2) not null,
-sell_price number(6,2) not null,
-cost_price number(6,2) not null
-);
-
-create table sales_order(
-s_order_no varchar(6) primary key,
-client_no varchar(5) references client_master(client_no),
-s_order_date date not null,
-billed_yn char(1) default 'N' check(billed_yn in ('Y','N'))
-);
-
-create table sales_order_details(
-s_order_no varchar(6) primary key references sales_order(s_order_no),
-product_no varchar(6) references product_master(product_no),
-qty number(4,2) not null
-);
-
 create table challan_header(
 challan_no varchar(6) primary key,
 s_order_no varchar(6) references sales_order(s_order_no),
 challan_date date not null,
 billed_yn char(1) default 'N' check(billed_yn in ('Y','N'))
 );
 
+
 create table challan_details(
 challan_no varchar(6) primary key references challan_header(challan_no),
 qty_disp number(4,2) not null
 );
 
-insert into challan_header values('CH9001','019001','12-DEC-95','Y');
-insert into challan_header values('CH865','046865','12-NOV-95','Y');
-insert into challan_header values('CH3965','010008','12-OCT-95','Y');
-
-insert into challan_details values('CH9001','P00001',4),(CH9001','P07965',1),(CH9001','P07885',1),(CH6865','P07868',3),(CH6865','P03453',4),(CH6865','P00001',10),(CH3965','P00001',5),(CH3965','P07975',2);
 
-alter table client_master add primary key(client_no);
-alter table client_master add phone_no varchar(10);
-alter table product_master modify description varchar(20) not null;
-alter table product_master modify profit_percent number(3,2) not null;
-alter table product_master modify sell_price number(6,2) not null;
-alter table product_master modify cost_price number(6,2) not null;
-alter table client_master modify client_no varchar(5);
-select product_no, description from product_master where profit_percent between 20 and 30;
+insert into challan_header values
+('CH9001','019001','12-DEC-95','Y'),
+('CH865','046865','12-NOV-95','Y'),
+('CH3965','010008','12-OCT-95','Y');
+
+insert into challan_details values
+('CH9001','P00001',4),
+('CH9001','P07965',1),
+('CH9001','P07885',1),
+('CH6865','P07868',3),
+('CH6865','P03453',4),
+('CH6865','P00001',10),
+('CH3965','P00001',5),
+('CH3965','P07975',2);