The document contains the SQL code to create 6 tables for a library database - authors, books, borrows, students, and types. It also includes sample INSERT statements to add initial data to the authors, books, borrows, types, and students tables. The tables will store information about authors, books, book borrowings by students, student details, and book types.

1. DBMS (Dated: 17Jul2019)
ER Diagram for Library Database
----------------------------------------------------------------------------------------------
CREATE TABLE authors2( authorId int NOT NULL,name varchar(50) NULL,
surname varchar(70) NULL,
CONSTRAINT PK_authors PRIMARY KEY (authorId) );
----------------------------------------------------------------------------------------------
CREATE TABLE books( bookId int NOT NULL, name varchar(90) NULL,
pagecount int NULL, sem int NULL, authorId int NULL,
typeId int NULL, CONSTRAINT PK_books PRIMARY KEY (bookId) );
----------------------------------------------------------------------------------------------
CREATE TABLE borrows( borrowId int NOT NULL, studentId int NULL,
bookId int NULL, takenDate date NULL, broughtDate date NULL,
CONSTRAINT PK_borrows PRIMARY KEY (borrowId) );
----------------------------------------------------------------------------------------------

2. CREATE TABLE students( studentId int NOT NULL, name varchar(20) NULL,
surname varchar(20) NULL, birthdate date NULL,
gender varchar(10) NULL, class varchar(7) NULL,
sem int NULL, PRIMARY KEY (studentId) );
----------------------------------------------------------------------------------------------
CREATE TABLE types( typeId int NOT NULL,
name varchar(30) NULL,PRIMARY KEY (typeId) );
----------------------------------------------------------------------------------------------
INSERT into authors2 VALUES (1, 'William Dean', 'Howells');
----------------------------------------------------------------------------------------------
INSERT into books VALUES (1, 'Database Management Systems', 199, 684,
3, 9);
----------------------------------------------------------------------------------------------
INSERT into borrows VALUES (1, 360, 142, To_Date('01-07-2019','dd-mm-
yyyy'), To_Date('21-07-2019','dd-mm-yyyy'));
----------------------------------------------------------------------------------------------
INSERT into types VALUES (15, 'Engineering');
----------------------------------------------------------------------------------------------
INSERT into students VALUES (505, 'Collins', 'Bailey', To_Date('01-07-
2019','dd-mm-yyyy'), 'M', '11E', 966);
----------------------------------------------------------------------------------------------