In Oracle PL/SQL programming language, %TYPE keyword would give you some advantages when you are declaring local variables. Describe at least one but maximum two benefits of %TYPE usage.
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- In java create an application to manage your data base information the database is already created in mysql tables, the tables are fill, So the user can use your database application user friendly Retrieve all data: Given a table name, retrieve all data from the table and present it to the user. Average: Given a table name and a column name, return the average of the column. Here the assumption is that the column type will be numeric (e.g., cost column). Insert: Given a table name, your program should show the column names of that table and ask the users to input new data to the table. In case of errors, your program should directly show the MySQL errors to the users. Assumption 1: Users will enter data according to the database constraints. Assumption 2: Users will input one record at a time. Delete: Given a table name, your program should show the column names of that table and ask the users to input data that they want to delete. Assumption 1: Users will enter data according to the…In Visual Basic, a double data type would be comparable to what SQL data type.Databases are used to store different kinds of data such as names, currency, text, graphics, etc. Determining the appropriate data type for each attribute is important for database performance, storage size, and conducting accurate analysis on databases. As with other programming languages, SQL supports many data types. However, you will mostly use two categories while writing SQL queries: Characters, and numbers. Consider the following standard SQL data types: Characters char varchar Numbers integer decimal float Different data types could be used for the same attribute. For example, both char and varchar could be used to store “names” in a database. Examine the attributes for the Characters and Numbers data types. Using specific examples, compare data types for each category. For example, why you should choose char rather than varchar or opposite?
- database development write a function and funcation call program in PL/SQL to sum the even integers between 1 and any number that is passed as a parameter in a functionINFO 2303 Database Programing Assignment # : PL/SQL Procedure & Function Practice Note: PL/SQL can be executed in SQL*Plus or SQL Developer or Oracle Live SQL. Write a function that takes patient date of birth. If the patient born after 30th June 1990 then he/she will be required to set appointment for immunization. Call this function from anonymous block to allow the user to enter the patient ID. Expected output: Enter the patient ID: 168 The status of X-immunization : REQUIREDComputer Science This question is related to pl/SQL:- Using a Cursor in a Package In this assignment, you work with the sales tax computation because the Brewbean's lead programmer expects the rates and states applying the tax to undergo some changes. The tax rates are currently stored in packaged variables but need to be more dynamic to handle the expected changes. The lead programmer has asked you to develop a package that holds the tax rates by state in a packaged cursor. The BB TAX table is updated as needed to reflect which states are applying sales tax and at what rates. This package should contain a function that can receive a two-character state abbreviation (the shopper's state) as an argument, and it must be able to find a match in the cursor and return the correct tax rate. Use an anonymous block to test the function with the state value NC.
- INFO 2303 Database Programming Assignment : PL/SQL Practice Note: PL/SQL can be executed in SQL*Plus or SQL Developer or Oracle Live SQL. Question: Write an anonymous PL/SQL block that will delete all patients for doctors that works in the Family Practice Verify that patients have been deleted accordingly. Then do a select * from patients where doc_id = (select doc_id from doctor where area = ‘Family Practice’. You should get no rows. Patietn table: CREATE TABLE PATIENT(PT_ID NUMBER(3),PT_LNAME VARCHAR2(15),PT_FNAME VARCHAR2(15),PTDOB DATE,DOC_ID NUMBER(3),NEXTAPPTDATE DATE,LASTAPPTDATE DATE,CONSTRAINT PATIENT_PT_ID_PK PRIMARY KEY (PT_ID),CONSTRAINT PATIENT_DOC_ID_FK FOREIGN KEY(DOC_ID)REFERENCES DOCTOR); INSERT INTO patient VALUES(168, 'James', 'Paul', TO_DATE('14-MAR-97'), 432, TO_DATE('01-JUL-03'), TO_DATE('01-JUN-03'));INSERT INTO patient VALUES(331, 'Anderson', 'Brian', TO_DATE('06-MAR-48'), 235,TO_DATE('01-JUL-03'), TO_DATE('01-JUN-03'));INSERT INTO patient…Develop a two small PL/SQL programs. 1. Enter students ID from the keyboard. The program then finds student's first name, last name and phone, stores them in variables and prints them on the screen. 2. Similar to the above, only this time the program will receive student's first name only (instead of student's ID)Then program finds full name and address and prints it on the screen. For both programs please implement NO_DATA_FOUND and TOO_MANY_ROWS exceptions. (please refer to chapter 8 in PL/SQL by Example book)For number 2 program, display a message "Possibly you have two or more students with the first name ...." in TOO_MANY_ROWS exception block.Write a PL/SQL Function that accepts 4 integers, 2 representing the homeTeamID and visitorTeamID, and the other 2 representing the score for each team during a game : htscore and vtscore The function will determine which team won the match and return the teamID of the winning team. You can achive this by comparing htscore > or < then vtscore.. if htscore is bigger then return hteamID or else return vteamID. If the game was a tie (the 2 scores are the same value) return a 0.
- 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 Use the employees object of Oracle Live SQL HR Scheme, Employees object descriptions is given here. Column Null? Туре NOT EMPLOYEE ID FIRST NAME NULL NUMBER(6,0) VARCHAR2(20) NOT LAST NAME NULL VARCHAR2(25) NOT EMAIL NULL VARCHAR2(25) PHONE NUMBER VARCHAR2(20) NOT HIRE DATE NULL DATE NOT NULL JOB ID VARCHAR2(10) SALARY NUMBER(8,2) COMMISSION_PCT NUMBER(2,2) MANAGER_ ID NUMBER(6,0) DEPARTMENT ID NUMBER(4,0)1. Write a PL/SQL program using an explicit cursor that displays all patients PLCO_ID numbers from the colo_proc_data table on the screen if the patients’ procedure is biopsy, the procedure is staging, interval status of linked cancer is never screened, the procedure type is invasive Scopes, biopsies, & surgeries, the procedure type is Lymphadenectomy/Lymph Node Sampling, and the procedure result is abnormal, confirmed metastasis.What is a NULL value?