HAR2(5) FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25)
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oracle PL/SQL
Create an anonymous block that prints all instructors First Name, Last name, and a phone.
Hint: Use cursor and coursor FOR loop.
desc instructor
----------------------------------------- -------- ----------------------------
INSTRUCTOR_ID NOT NULL NUMBER(8)
SALUTATION VARCHAR2(5)
FIRST_NAME VARCHAR2(25)
LAST_NAME VARCHAR2(25)
STREET_ADDRESS VARCHAR2(50)
ZIP VARCHAR2(5)
PHONE VARCHAR2(15)
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- This sl/sql program Please make a procedure that takes two parameters and prints a list of students from the first parameter as a student ID to the last parameter which is another student ID. If student is not found, then process an exception NO_DATA_FOUND. desc student----------------------------------------- -------- ----------------------------STUDENT_ID NOT NULL NUMBER(8)SALUTATION VARCHAR2(5)FIRST_NAME VARCHAR2(25)LAST_NAME NOT NULL VARCHAR2(25)STREET_ADDRESS VARCHAR2(50)ZIP NOT NULL VARCHAR2(5)PHONE VARCHAR2(15)EMPLOYER VARCHAR2(50)REGISTRATION_DATE NOT NULL DATEImplement the following clauses on a database of your choice and produce results. (Writequery and add screen shot of your implementation)iv) Viewv) Group Byvi) Order Byvii) Like kindly answer the all parts i already posted 2 times this one question but there are are total 7 parts so kindly solve 4 prts.awk is similar to the SQL language in that you can query certain records. What command below will search the the file /etc/passwd file by locating all users that have a default shell '/bin/bash' and print the first column (which is the user name). awk -D: '$7 == "/bin/bash" {print $3}' /etc/passwd Give this to your new intern to figure out. awk -F: '$4 == "/bin/bash" {print $10}' /etc/passwd awk -F: '$7 == "/bin/bash" {print $1}' /etc/passwd awk -F: '$1 == "/bin/bash" {print $7}' /etc/passwd.
- Any comments i could add to this? package attendance; import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException;import java.sql.Statement; public class SqliteDB {Connection conn = null;Statement stmt = null;public SqliteDB() throws ClassNotFoundException {//try to connect with dbtry {Class.forName("org.sqlite.JDBC");// db parametersString url = "jdbc:sqlite:C:/sqlite/db/attendance.db";// create a connection to the databaseconn = DriverManager.getConnection(url);System.out.println("Connection to SQLite has been established.");} catch (SQLException e) {System.out.println(e.getMessage());}}public void executeQuery(String query) {try {this.stmt = conn.createStatement();stmt.execute(query);}catch (Exception e) {System.out.println(e);}}public void closeConnection() {try {this.conn.close();}catch( Exception e) {System.out.println(e);}}}Design a Client class that interfaces with your SQLDatabase Server (from the class Server). The Client sends a SQLQuery to the SQLDatabase and receives a Dataframe from the SQLDatabase. Your class should contain the default __dunders__ and potentially introduce some custom __dunders__. classServer.py (Just change if this file has something doesn't run or doesn't fit with new code) import sqlite3import pandas as pdclass Server:def __init__(self, db_name):self.db = sqlite3.connect(db_name)self.cursor = self.db.cursor()def __enter__(self):return selfdef __exit__(self, exc_type, exc_val, exc_tb):self.db.close()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…public int readBalance(int acctId) throws SQLException { // TODO: Read balance from given account id using a PreparedStatement // Throw the following exception if the account is not found: // throw new SQLException("Account "+acctId+" not found."); // Use the con instance variable for the JDBC connection. // Make sure to commit() if success or rollback if exception or account is not // found. return 0; }
- The SQLiteOpenHelper and SQLiteCursor classes are described, with a focus on how they may be used to perform create, read, update, and delete (CRUD) actions on a SQLite database.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…
- To test the text-provided implementations of min(), max(), floor(), ceiling(), select(), rank(), deleteMin(), deleteMax(), and keys(), create a test client called TestBinarySearch.java. Initially, use the default indexing client. Add code to accept more command-line arguments if needed.in a mongodb database books ,write a MongoDB Shell code to remove all books, from the collection books, whose ‘price’ is less than 5.00.What comments can be added to this code? package attendance; import java.sql.ResultSet; import java.sql.SQLException; import javafx.collections.FXCollections; import javafx.collections.ObservableList; public class RFIDTagsDB { privateSqliteDB db; privatestaticObservableList<RFID> dbData; publicRFIDTagsDB() throwsClassNotFoundException{ db = new SqliteDB(); dbData = FXCollections.observableArrayList(); } publicObservableList<RFID>getDBData(){ return dbData; } publicvoidreadOne(intid) { System.out.println("READ One"); try { this.db.stmt =this.db.conn.createStatement(); System.out.println(db.stmt); String sql ="SELECT * FROM RFIDTags " +"WHERE id = "+ id +""; System.out.println(sql); ResultSet rs =this.db.stmt.executeQuery(sql); while( rs.next() ) { dbData.add( newRFID( rs.getInt("id"),…
