Programming with Microsoft Visual Basic 2017
8th Edition
ISBN: 9781337102124
Author: Diane Zak
Publisher: Cengage Learning
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Chapter 11, Problem 1RQ
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The TableAdapter object connects the
Hence, the correct answer is option “D”.
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- Which of the following objects connects a database to a DataSet object? a. BindingSource b. DataBase c. DataGridView d. TableAdapterarrow_forwardWhich type of database stores information in tables composed of rows and columns? a. columnar b. relational c. sorted d. tabulararrow_forwardChoose storage formats for fields in databasetables.arrow_forward
- class Database:def __init__(self, db_name):self.db = sqlite3.connect(db_name)self.cursor = self.db.cursor()def create_table(self, table_schema):self.cursor.execute(table_schema)self.db.commit()def insert_data(self, table_name, data):for i in range(len(data)):keys = ", ".join(data.columns)values = ", ".join([f"'{value}'" if pd.isna(value) else str(value) for value in data.iloc[i]])self.cursor.execute(f"INSERT INTO {table_name} ({keys}) VALUES ({values})")self.db.commit()def search_data(self, table_name, year):self.cursor.execute(f"SELECT * FROM {table_name} WHERE year={year}")result = self.cursor.fetchone()if result is not None:return resultelse:return Nonedef delete_data(self, table_name, year):self.cursor.execute(f"DELETE FROM {table_name} WHERE year={year}")self.db.commit()return self.cursor.rowcount > 0 Please rewrite (or convert) the code above with format: def QueryBuilder( Data_Base, Query_Type, Query_Tuple):'''''' Build Query_String'''''' return Query_Stringarrow_forwardimport sqlite3 from sqlite3 import Error # Creates connection to sqlite in-memory database def create_connection(): """ Create a connection to in-memory database :return: Connection object """ try: conn = sqlite3.connect(":memory:") return conn except Error as e: print(e) # YOUR CODE HERE # Use sqlite3.connect(":memory:") to create connection object return conn # query to create the table table_sql = """ CREATE TABLE Horses ( id integer PRIMARY KEY NOT NULL, name text, breed text, height real, birthday text ); """ # query to insert data into the table ins_sql = """INSERT INTO Horses VALUES(1,'Babe','Quarter Horse',15.3,'2015-02-10'); """ # query to fetch all data from the table fetch_sql = """SELECT * FROM Horses;""" # creating db connection conn = create_connection() # fetching a cursor from the connection c = conn.cursor() # executing statement to create table c.execute(table_sql) # executing statement to…arrow_forwardCreate a database class in python. Create four variables for the database class: str_databasename, int_databaseid, lst_tablenames and int_count. str_databasename will store the name of the database, int_databaseid will store the identification number of the database and each identifier number is a unique number. lst_tablenames will store the list of tables for one particular database object. Int_count will store the number of tables for this database object.arrow_forward
- 1. Create a new database, save it on the desktop and name it "School Database" 2. Create a Table in the School Database with the following: Field Name ID Number Data Type Field Size or Format Text 10 Name Text Surname Text 15 Telephone Number Date of Birth Number Date/Time Medium Date Stipend Currency Currency Foreigner Yes/Na Yes/No 3. Make the "ID Number" Field as the Primary Key. 4. Save the table as "Student's Table" 5. Return to the main Access window. eptarrow_forwarda. Load a database applicationb. Create a database labelled as MOVIE_LIBRARY in the created folder with the following fields:MovieID, Movie Name, Date Released, Movie Category, Quantity Delivered (table in image attachment) c. Save the table as tblMovies.d. Fill tblMovies with the given data as shown in 2 (b).e. Create a form for the records and name it frmMoviesf. Query the table to look out for movies released in the year 2014 and name it as qryMoviesarrow_forwardIn this database we have users that can be two types students or instructors. They have groups and memberships. Any user can post and the post type can be video, photo or text. Here is the table structure: CREATE TABLE USER_ ( USER_ID INT NOT NULL AUTO_INCREMENT, CREATE_DATE DATE NOT NULL, PROF_DESC VARCHAR (100), PROF_PIC VARCHAR(40), LOCATION VARCHAR (40) NOT NULL, PRIMARY KEY (USER_ID) ); CREATE TABLE USER_INFO( USER_ID INT NOT NULL, SU_EMAIL CHAR(18), USER_FNAME VARCHAR(15), USER_LNAME VARCHAR (15), USER_DOB DATE, USER_GENDER CHAR(1), PRIMARY KEY (USER_ID), FOREIGN KEY (USER_ID) REFERENCES USER_(USER_ID) ON UPDATE CASCADE ); CREATE TABLE STUDENT ( SU_ID INT NOT NULL, USER_ID INT NOT NULL, YEAR_ VARCHAR (10), MAJOR VARCHAR (20), LOCATION VARCHAR (40) NOT NULL, PRIMARY KEY (SU_ID), FOREIGN KEY (USER_ID) REFERENCES USER_(USER_ID) ON UPDATE CASCADE ); CREATE TABLE INSTRUCTOR ( SU_ID INT NOT NULL, USER_ID INT NOT NULL, DEPARTMENT VARCHAR (40), INSTR_TYPE VARCHAR (40),…arrow_forward
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Programming with Microsoft Visual Basic 2017Computer ScienceISBN:9781337102124Author:Diane ZakPublisher:Cengage Learning
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ISBN:9781337102124
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Publisher:Cengage Learning