Show their content after: 1) Update student set sid = 9999 where sid = 5275 2) Update student set sid = 8888 where sid = 3842 Assume that Student (sid: int, name: varchar(20), login: varchar(20), age: int, gpa: float, Primary key (sid)) Enrollment(cid: varchar(7), grade: varchar(2), stuid: int, primary key (stuid, cid), foreign key (stuid) references student on update cascade)

Q: Second normal form says:   a. No nonkey columns depend on another nonkey column.   b. Every…

A: The second normal form says:   a. No nonkey columns depend on another non-key column.   b. Every…

Q: In this database we have users that can be two types students or instructors. They have groups and…

A: SQL which refers to the one it is a programming language used to communicate with databases. SQL…

Q: Given a database of bike share information write a SELECT statement to retrieve the bike_number,…

A: To execute the SQL queries, firstly we should have a database containing the tables. Later the…

Q: CREATE TABLE EMPLOYEE( ENUM DECIMAL(12) NOT NULL,/* Employee number */ FNAME VARCHAR(50) NOT NULL,/*…

A: the answer is:

Q: Write SQL statements to list the name of Lee’s subordinate employee.    (Data Update)     Write…

A: Lees Employee ID is 2 So, to get the lees subordinate then we need to search for this employee ID in…

Q: CREATE TABLE STATS( Deaths_per_100000 INTEGER(50), AGE INTEGER(20), GENDER VARCHAR(10),  RATIO…

A: CREATE :  In the database, a new table is created using the CREATE TABLE command.  INSERT : New…

Q: The Driver Relationship team realized that maintaining driver IDs is difficult and requested an…

A: The objective of the question is to modify a database table to automatically increment the DRIVER_ID…

Q: CREATE TABLE DONORS ( donor_id INT NOT NULL, donor_name varchar(255) NOT NULL, donor_age int,…

A: INSERT INTO DONORS VALUES(1,'SAI',20); INSERT INTO DONORS VALUES(2,'PAVAN',21); INSERT INTO DONORS…

Q: Given an Employee table with columns for salary and dept, to raise the salaries of all employees in…

A: This question deals with SQL (Structured Query Language), which is used to manage and query…

Q: In this database we have users that can be two types students or instructors. They have groups and…

A: In this question we have to write SQL QUERIES on (1) Queries involving subqueries(2) Queries…

Q: Write a query to display the first name, last name, and email address of employees hired from…

A: In this question we have to write a query to display the first name, last name, and email address of…

Q: DROP TABLE IF EXISTS Worker; CREATE TABLE Worker ( WORKER_ID INTEGER NOT NULL PRIMARY KEY…

A: Answer in step 2

Q: Create a view vLab2_xxx in the class database listing the number of staff and the maximum and…

A: Database:- A database is a structured collection of data that is often stored electronically in a…

Q: CREATE TABLE EMPLOYEE( ENUM DECIMAL(12) NOT NULL,/* Employee number */ FNAME VARCHAR(50) NOT NULL,/*…

A: the code is :

Q: Write a query to display the author last name, first name, book title, and replacement cost for each…

A: To display the author_last_name,first_name ,book_title and replacement cost and sort the result by…

Q: reate a list of EMPNO, ENAME, HIREDATE, DEPTNO from EMPLOYEE for employee’s with a salary (SAL)…

A: Note: Since you have not provided the language or database name to write the code so I am using SQL…

Q: what is Aggregate operator ?

A: Aggregation operator: It performs mathematical operations like Count, Min, Max, Aggregate, Sum, and…

Q: create database GA2 go use GA2 go create table salesman( salesman_id int primary key,  name…

A: As per the given data, while creating salesman table, you have declared commission with datatype…

Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.