True False True False True False The command ALTER USER KILL SESSION ('SID Serial#') is used to force a termination of a user's session. You would analyze a table to generate statistics that would be used by the cost based optimizer to evaluate the efficiency of a query. The SQL statement ANALYZE TABLE EMP ESTIMATE STATISTICS SAMPLE SIZE 10 ROWS; will generate statistics based upon the first ten rows in the EMP table.

What is the most efficient way to write a trigger that updates a large number of rows?     Specify "for each statement"     Specify "for each row"     Specify "for each table"     Specify "referencing new row"

Why it's useful to have index that partially sort a query if it doesn't present all of the results already sorted?

This assignment is aimed at building an understanding of how to improve performance within databases by taking advantage the computers hardware by modifying MS SQL settings Prerequisites: Completion of Assignment 1B, reading of Module Readings and Slides. Run the following query to understand how much Memory is currently in use in the database: SELECT   physical_memory_in_use_kb/1024 AS sql_physical_memory_in_use_MB,    large_page_allocations_kb/1024 AS sql_large_page_allocations_MB,    locked_page_allocations_kb/1024 AS sql_locked_page_allocations_MB,    virtual_address_space_reserved_kb/1024 AS sql_VAS_reserved_MB,    virtual_address_space_committed_kb/1024 AS sql_VAS_committed_MB,    virtual_address_space_available_kb/1024 AS sql_VAS_available_MB,    page_fault_count AS sql_page_fault_count,    memory_utilization_percentage AS sql_memory_utilization_percentage,    process_physical_memory_low AS sql_process_physical_memory_low,    process_virtual_memory_low AS…

Using php and sql:  Create a PDO object to connect to your database for running select queries.Write a database query to output all the messages in the messages table.

A Pivot Table is the column name with its table name. O True O False

A summarize table can be edited in Transform Data? True False

Solve C I. This Project asks you to submit a SQL text file (e.g. project2.sql) with all your answers to all the questions listed in this assignment. Your answers will be written in SQL format. All SQL statements will be tested in a MySQL database including: CREATE TABLE, ALTER TABLE, INSERT and SELECT. You must use the following table structures for your MySQL DDL and DML commands: STUDENT(StudentID, LastName, FirstName, Address, City, State, Zip, Phone) StudentID will be automatically increased integer identifier Choose VARCHAR or CHAR based on your personal understanding of the fields for the rest part of the relation/table STUDENT_TEXTBOOK(StudentID, TextbookID, Class, Semester, Year) Semester would be CHAR Year would be integer TEXTBOOK(TextbookID, Description, Price, Location, BookstoreID) TextbookID will be automatically increased integer identifier Price is a decimal with 2 decimal places after zero Description and Location can be VARCHAR or CHAR based on your personal…

Population Database   Compile and run CreateCityDB.java which will create a Java DB database named CityDB. The CityDB database will have a table named City, with the following columns: CityName & Population. Their Data Types: CHAR(50) Primary Key & DOUBLE. The CityName column stores the name of a city, and the Population column stores the population of that city. After you run the CreateCityDB.java program, the City table will contain 20 rows with various cities and their populations. Next, create an application that connects to the CityDB database and allows the user to select any of the following operations: Sort the list of cities by population, in ascending order. Sort the list of cities by population, in descending order. Sort the list of cities by name. Get the total population of all the cities. Get the average population of all the cities. Get the highest population. Get the lowest population.   CreateCityDB.java import java.sql.*; /**  This program creates the CityDB…

Insert the following records into their corresponding tables, using the MySQL CLI. Take a screenshot of a Select * command being successfully executed on each table (6 total).  Subject   subjectNumber Name gradeLevel 62 Algebra 9 33 Biology 10 83 Legal Studies 11 35 Entomology 9 70 Norse Mythology 10 23 Geography 10 67 Literature 12 78 World History 11 13 US History 12 9 Astronomy 9 53 Self Defense 12 85 Introduction to Computer Science 11 43 Algebra II 10