Homework Answers
1)
ALTER TABLE drivers CHANGE name driver_name char(125) NOT NULL;
2)
ALTER TABLE drivers ADD column driver_age TINYINT(2) NOT NULL CHECK (driver_age>=0);
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9.3. Challenge Altering tables A mysql prompt has been opened for you. Using the EPDriver database 1. Change the name o...
5. 2. Challenge Defining the reference table A mysql prompt has been opened for you. Using...
5. 2. Challenge Defining the reference table A mysql prompt has been opened for you. Using the college database, complete the following tasks (use either a single-line or a multi-line SQL statement): Create a courses table with this definition (try using a multi-line SQL statement): +---------+---------------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +---------+---------------------+------+-----+---------+----------------+ | id | int(3) unsigned | NO | PRI | NULL | auto_increment | | title | varchar(255) | NO...
MySQL 11. Final challenges Reset challenge database If you make a mistake while editing the database...
MySQL 11. Final challenges Reset challenge database If you make a mistake while editing the database in this section or just want to reset the database back to its original state, return to this page and click the “Reset Section Database” button below. RESET CHALLENGE DATABASE If I have seen further, it is by standing on the shoulders of giants. (Bernard of Chartres). Databases are fun. Let’s honour some of the most popular scientists of all times by creating a...
SQL Query Question: I have a database with the tables below, data has also been aded...
SQL Query Question: I have a database with the tables below, data has also been aded into these tables, I have 2 tasks: 1. Add a column to a relational table POSITIONS to store information about the total number of skills needed by each advertised position. A name of the column is up to you. Assume that no more than 9 skills are needed for each position. Next, use a single UPDATE statement to set the values in the new...
Someone Please Help Me modify this in PHP I'm in desperate need I cant figure this out ... Make t...
Someone Please Help Me modify this in PHP I'm in desperate need I cant figure this out ... Make the following modifications: For the vendors table: Comment out the table-level primary key Change the VendorIDcolumn to be a column-level primary key Add a VendorEmail column to the bottom of the table definition (define the data type for the column as variable character and set it to not exceed 45 characters) After the lineItems table, add code to create a table...
IN THE PREVIOUS CHAPTER WE MADE A DATABASE USING OUR LAST NAME AS ITS NAME. QUESTION...
IN THE PREVIOUS CHAPTER WE MADE A DATABASE USING OUR LAST NAME
AS ITS NAME. QUESTION 1 STATES THIS.
PLEASE TYPE WHAT NEEDS TO BE TYPED FOR ALL STEPS. THIS USES
CODIO
a. 1. Connect to the database you created and named in Module One (for example, Jetson). Type after the prompt mysql> a. use (table you named); i. Example: mysql> use Jetson; 2. Create the Employee table using the SQL statement shown here. Press Return after each line. CREATE...
Using mySQL, tables at the end... This assignment uses the tables from the vets database. The goa...
Using mySQL, tables at the end... This assignment uses the tables from the vets database. The goal of the assignment is to get you to think about joins- inner join and outer joins. If you do a join, where you have the names of two or more tables in the From clause, then you must use the condition join syntax or the column name join. Take care that you do not accidentally do a Cartesian product. If your result set...
Overview: Database management plays an integral role in nearly every area of business. Databases house customer, accoun...
Overview: Database management plays an integral role in nearly every area of business. Databases house customer, accounting, and employee data, and these different data sets must all be efficiently managed in order to make the data accessible. Companies rely on database engineers to ensure that their records are accurate, updated, and tracked in real time. This course covers structured query language (SQL) and how it can be used to manage database schemas, manipulate data, and analyze data. For your final...
database and sql problme THE QUESTIONS 3, 4,5 and 6 REFER TO THE RELATIONAL TABLES LISTED...
database and sql problme
THE QUESTIONS 3, 4,5 and 6 REFER TO THE RELATIONAL TABLES LISTED BELOW CREATE TABLE Department ( DECIMAL(5) VARCHAR(30) CHAR(5) DATE NOT NULL NOT NULL NOT NULL * Department number /*Department name * Department manager number */ /Manager start date DNumber DName Manager MSDate CONSTRAINT Department_PK PRIMARY KEY(DNumber) CONSTRAINT Department_CK UNIQUE(DName) CREATE TABLE DeptLocation DECIMAL(5) VARCHAR(50) NOT NULL NOT NULL DNumber * Department number */ * Department location */ Address CONSTRAINT DeptLocation_PK PRIMARY KEY(DNumber, Address) CONSTRAINT...
Learning Objectives: Learn to define constraints on tables Lean to define primary keys and foreign keys...
Learning Objectives: Learn to define constraints on tables Lean to define primary keys and foreign keys Exercise In Lab 09, we will continue the practice of creating tables. You will need to write SQL statements for the tasks specified below. After you complete them, submit your SQL script (in one *.sql file) to Blackboard by 11:59pm Nov. 16 (Friday). Include your name as a comment in the SQL script submitted. The creation statement for each table is worth one point,...
Create three or more MySQL Data Control language (DCL) Statements using the Youth League Database. 1....
Create three or more MySQL Data Control language (DCL) Statements using the Youth League Database. 1. A Create new user statement for the database 2. A statement that grants privileges to the new user 3. A statement that revokes privileges 1. A SQL Text File containing the SQL commands to create the database, create the table, and insert the sample test data into the table. 2. A SQL Text File containing the DCL SQL Statements. eted hemas Untitled Limit to...
IN THE PREVIOUS CHAPTER WE MADE A DATABASE USING OUR LAST NAME
AS ITS NAME. QUESTION 1 STATES THIS.
PLEASE TYPE WHAT NEEDS TO BE TYPED FOR ALL STEPS. THIS USES
CODIO
a. 1. Connect to the database you created and named in Module One (for example, Jetson). Type after the prompt mysql> a. use (table you named); i. Example: mysql> use Jetson; 2. Create the Employee table using the SQL statement shown here. Press Return after each line. CREATE...
Overview: Database management plays an integral role in nearly every area of business. Databases house customer, accounting, and employee data, and these different data sets must all be efficiently managed in order to make the data accessible. Companies rely on database engineers to ensure that their records are accurate, updated, and tracked in real time. This course covers structured query language (SQL) and how it can be used to manage database schemas, manipulate data, and analyze data. For your final...
database and sql problme
THE QUESTIONS 3, 4,5 and 6 REFER TO THE RELATIONAL TABLES LISTED BELOW CREATE TABLE Department ( DECIMAL(5) VARCHAR(30) CHAR(5) DATE NOT NULL NOT NULL NOT NULL * Department number /*Department name * Department manager number */ /Manager start date DNumber DName Manager MSDate CONSTRAINT Department_PK PRIMARY KEY(DNumber) CONSTRAINT Department_CK UNIQUE(DName) CREATE TABLE DeptLocation DECIMAL(5) VARCHAR(50) NOT NULL NOT NULL DNumber * Department number */ * Department location */ Address CONSTRAINT DeptLocation_PK PRIMARY KEY(DNumber, Address) CONSTRAINT...
Create three or more MySQL Data Control language (DCL) Statements using the Youth League Database. 1. A Create new user statement for the database 2. A statement that grants privileges to the new user 3. A statement that revokes privileges 1. A SQL Text File containing the SQL commands to create the database, create the table, and insert the sample test data into the table. 2. A SQL Text File containing the DCL SQL Statements. eted hemas Untitled Limit to...
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