Write a PL/SQL function that accepts employee ID as input and returns employee first name , last name and email . Also. write an anonymous block with the function call
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- In python code: Using the dataframe produced in question#2 and your Database class from Lab1, Byte Stream your dataframe into your Database object. Also, use your Query Builder to build the Insert Query for your byte stream insertion. class GreenhouseGas(NamedTuple): Gas: str Pre_1750: float Recent: float Absolute_increase_since_1750: float Percentage_increase_since_1750: float def __repr__(self): return f"Gas: {self.Gas}, Pre-1750: {self.Pre_1750}, Recent: {self.Recent}, Absolute increase since 1750: {self.Absolute_increase_since_1750}, Percentage increase since 1750: {self.Percentage_increase_since_1750}" def __lt__(self, other): return self.Recent < other.Recent def __eq__(self, other): return self.Gas == other.Gas @classmethod def from_list(cls, data): gas, pre_1750, recent, absolute_increase, percentage_increase = data return cls(gas, pre_1750, recent, absolute_increase, percentage_increase) def…Write a php function (in the space below or attach a file) that returns an array of total sales values for each cookie type in each store.....notice this is a query from a previous section. You can call that query $sqlTotalSales . The function will take three parameters: $numUnits and $priceUnit are strings representing the attributes/columns in the table and $tableName is the name of the table....we could use "Units_Sold" and "Price/unit" for a particular table but what if you want to reuse this function for another dataset? Hence the variables.I am having an issue creating this function with a trigger using postgreSQL (plpgsql). Could someone please help me solve this? Thank you! CREATE OR REPLACE FUNCTION Moreno_03_bankTriggerFunction()RETURNS TRIGGERLANGUAGE PLPGSQLAS$$BEGINCREATE TRIGGER Moreno_03_bankTriggerAFTER DELETE ON accountFOR EACH ROWWHERE depositor.account_number = account.account_numberEXECUTE PROCEDURE Moreno_15_bankTriggerFunction();END;$$ Database Schema: branch ( branch_name, branch_city, assets ) customer ( ID, customer_name, customer_street, customer_city ) loan ( loan_number, branch_name, amount ) borrower ( ID, loan_number ) account ( account_number, branch_name, balance ) depositor ( ID, account_number )
- Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1 Update the Python program to ask the user if they want to update entries or add new entries. If the name entered already exists in the writers table then the database record is updated, overwriting the original contents. If the name does not exist in the writers table, then add a new record with the writer's name and number of works. The following TODO sections must be completed. Check if a writer exists in the writers table If the writer exists in the table, locate an entry to be updated by writer's name and update…Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1 Update the Python program to ask the user if they want to update entries or add new entries. If the name entered already exists in the writers table then the database record is updated, overwriting the original contents. If the name does not exist in the writers table, then add a new record with the writer's name and number of works. The following TODO sections must be completed. Check if a writer exists in the writers table If the writer exists in the table, locate an entry to be updated by writer's name and update the…Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1
- dataframe = pd.read_csv('https://raw.githubusercontent.com/Explore-AI/Public-Data/master/Data/regression_sprint/titanic_train_raw.csv') df = pd.read_csv('https://raw.githubusercontent.com/Explore-AI/Public-Data/master/Data/regression_sprint/titanic_test_raw.csv') Write a function that takes in as input a dataframe and a column name, and returns the mean for numerical columns and the mode for non-numerical columns. Function Specifications: The function should take two inputs: (df, column_name), where df is a pandas DataFrame, column_name is a str. If the column_name does not exist in df, raise a ValueError. Should return as output the mean if the specified column is numerical and return a list of the mode(s) otherwise. The mean should be rounded to 2 decimal places. If there is more than one mode for a given non-numerical column, the fuction should return a list of all modes. def calc_mean_mode(df, column_name): # your code here return calc_mean_mode(df,'Age') Expected Outputs:…Write a Python program that connects to a sqlite database. Create a table called Horses with the following fields: id (integer): a primary key and not null name (text) breed (text) height (real) birthday (text) Next, insert the following data row into the Horses table: id: 1 name: 'Babe' breed: 'Quarter Horse' height: 15.3 birthday: '2015-02-10' Output all records from the Horses table. Ex: With the above row inserted, the output should be: All Horses: (1, 'Babe', 'Quarter Horse', 15.3, '2015-02-10')Write a Python program that connects to a sqlite database. Create a table called Horses with the following fields: id (integer): a primary key and not null name (text) breed (text) height (real) birthday (text) Next, insert the following data row into the Horses table: id: 1 name: 'Babe' breed: 'Quarter Horse' height: 15.3 birthday: '2015-02-10' Output all records from the Horses table. Ex: With the above row inserted, the output should be: All Horses: (1, 'Babe', 'Quarter Horse', 15.3, '2015-02-10') This is what I came up withbut it doesn't accomplish the task. import sqlite3from sqlite3 import Error def create_connection(db_file):""" create a database connection to the SQLite databasespecified by db_file:param db_file: database file:return: Connection object or None"""conn = Nonetry:conn = sqlite3.connect(db_file)return connexcept Error as e:print(e) return conn def create_table(conn, create_table_sql):""" create a table from the create_table_sql statement:param conn: Connection…
- Write a Java program that connects to a SQLite database. Create a table called Horses with the following fields: id (integer): a primary key and not null name (text) breed (text) height (real) birthday (text) Next, insert the following data row into the Horses table: id: 1 name: 'Babe' breed: 'Quarter Horse' height: 15.3 birthday: '2015-02-10' Output all records from the Horses table. Ex: With the above row inserted, the output should be: All horses: (1, 'Babe', 'Quarter Horse', 15.3, '2015-02-10') LabProgram.java public class LabProgram { public static void main(String[] args) { /* Type your code here */ // FIXME 1: Call the connect() method to connect to the database // FIXME 2: Create the sql statement string to create a table and pass it to creatTable() method // FIXME 3: Create the sql statement to Insert the horse data into the databasem // and pass it to the insertRow() method // FIXME 4: Print out all horses…Suppose an application programmer was supposed to write a query select * from r natural left outer join s; on relations r(A, B) and s(B, C), but instead wrote the query select * from r natural join s; a. Give sample data for r and s on which both queries would give the same result. b. Give sample data for r and s where the two queries would give different results, thereby exposing the error in the query.What's the distinction between the urlopen and urlretrieve functions?