Let the name of the table be teacher and the name of the column which stores the name of the teachers be name,
Lets say we want to keep the name of the created index as name_index,
then use the below mysql query to create index on the column name on table teacher
CREATE INDEX name_index ON teacher(name);
Teacher table is queried often using teacher name as the condition. Create an index that will...
SQL SQL STATEMENT Create a clustered index on the vEmployeeList view using the Last Name and First Name if you need additional info please let me know what you need
Create an index on the name column of the student table. In addition, explain in one paragraph or less one of the advantages of creating an index and one of the disadvantages. Submit the statement used to create the index and the explanation.
1.If you do not have the world schema you can obtain the scripts to create the database schema from https://dev.mysql.com/doc/index-other.html Queries 1. Write a SQL subquery that shows the unique region names where the languages spoken are English, French or German. 2. Write a SQL query that shows the country name, region, language for the Caribbean region 3. Write a SQL query that shows the country name once and shows the number of cities in that country. The number of...
(3.5 Marks) Create the table CAR and create the fields with primary key Field Name Data type Size Constraint A2.1 Name Model Price MED Varchar2 25 Not nul Number 10 Primary key Number 10,2 Date Write a SQL Query to display all car details from the "CAR" table and display the Name in lowercase in a new column with the column name as Newname. (3.5 Marks) A2.2 Name Model Price MFD Mazda 456 7760.2523-12-2018 Kia 127 4050.1 30-11-2019 Toyota 443...
Create a function l_mode that finds the index of the value that occurs most often in an array. The input to your function is an array of integers A and the number of elements in the array 0 < n <= 10^3. Assuming v is the most frequent element in the array, your function will return the index i of the first (leftmost) occurrence of v in A. You can assume that -500 <= A[i] <= 500, for 0 <=...
You have been asked to create a query that will join the Production.Products table with the Production.Categories table. From the Products table show the product name and unit price. From the Categories table show the category name and description. For the query sort by two columns: first by category name in ascending order and then by unit price in descending order. Provide the full SQL statement for the answer. TSQLV4
CREATE TABLE actor( id INTEGER NOT NULL, name VARCHAR(100), PRIMARY KEY (id) ); SELECT name FROM actor WHERE name LIKE 'M%'; Q. How to run explain plan on the above query and display its output?
QUESTION 8 1create table plantz (name VARCHAR (30)) 2 3 SQHcse /Desktop/plants.csv Output Action Output Message Time Action 1 16:01:06 create table plantz (name VARCHAR(30) source. Emor Code: 1064. You have an error in your SQL s... 0. The screenshot above shows an error that has been produced when running a query in MySQL to import data from a csv file into the table created. Which of the following is the most likely reason this error occurred? O There are...
SQL Queries – in this assignment you will be asked to create several SQL queries relating to the Sakila database that we installed in class. You may freely use DBeaver to create these queries, but I will expect your solution to show me the SQL code to answer or complete the tasks below. Write a query that produces the last name, first name, address, district, and phone number for every customer in the customer table. (You don’t need to include...
Create a Pivot table that tabulates the number of employees by department & gender. Name the worksheet for this "Employees by DeptGender". HINT: What data element do you need to COUNT in order to generate this pivot table? It would obviously have to be a data element whose value was different (unique, like a database table key) for every row in the table in order to insure an appropriate tabulation of employees by department). I would appreciate if the steps...