In SQL, is this a true or false statement: Pseudocolumns contain values present in a table, but not in an Oracle instance.

Q: Is it possible to use both a WHERE clause and a HAVING clause in the same SQL SELECT statement? If…

A: GIVEN: Is it possible to use both a WHERE clause and a HAVING clause in the same SQL SELECT…

Q: Create a SQL statement to Display the number of clients for each CType with having less than 2…

A: we are going to Display the number of clients for each CType with having less than 2 clients in the…

Q: In SQL, which command is used to SELECT only one copy of each set of duplicable rows

A: In SQL command which  is used to SELECT only one copy of each set of duplicable rows are:-

Q: In SQL, what is the purpose of the LIKE operator? Give an example to back up your claim.

A: The LIKE operator is used in a  WHERE   clause  for  search for a specified pattern in a column.…

Q: Write a PL/SQL block to read and display the job_id and number of employees per job_id. Accept input…

A: DECLARE     CURSOR employees_cur IS       SELECT employee_id,              first_name,…

Q: Oracle SQL Packages Create a stored procedure to display top three of cheapest course in terms of…

A: To return the smallest value of the selected column we use the MIN( ) function. And to return the…

Q: What some examples of a subquery using the IN, NOT IN, =, ANY, or ALL conditions? How would the SQL…

A: Putting condition in where clause can be done in more specific way through IN, NOT IN, =, ANY or ALL…

Q: Def

A: UNION ALL  In Oracle, the UNION ALL operator is used for amalgamating the result sets of 2 or more…

Q: In SQL, Using the DUAL table, create a query that will return the current day of the week, hour,…

A: SELECT convert(varchar(10), GETDATE(), 108) 'time', DATENAME(weekday,GETDATE()) 'day of the week'…

Q: Define UNION and give one (1) example in ORACLE SQL commands.

A: Union statements are those statements that are used to add two tables to create one table. The table…

Q: Write a PL/SQL block to check whether the given number is positive or negative or Zero

A: DECLARE num1 NUMBER := &get_num; BEGIN IF num1 < 0 THEN DBMS_OUTPUT.PUT_LINE ('The number…

Q: Write an SQL language code that shows how to create a table in MySQL, use the "CREATE TABLE"…

A: We can use Create Table statement and can easily create a table in MYSQL. The code for this question…

Q: Define MINUS and give one (1) example in ORACLE SQL commands.

A: In Oracle, MINUS operator is used to return all rows in the first SELECT statement that are not…

Q: In SQL how do we limit which rows are returned by a query? Give an example.

A: Given: In SQL how do we limit which rows are returned by a query? Give an example.

Q: In SQL, how can we restrict the number of rows returned by a query? Please provide an example.

A: Introduction: The SQL LIMIT clause limits the number of rows returned by a query. The LIMIT clause…

Q: What is the difference between COUNT, COUNT DISTINCT, and COUNT(*) in SQL?

A: Count commands COUNT, COUNT DISTINCT, and COUNT (*) are stored aggregate functions in SQL…

Q: Please give a detailed answer for the below three questions along with code examples. How would you…

A: Given: How would you retrieve a count of all items in an SQL table? What command allows you to…

Q: The -------- section in PL/SQL block addresses two situations: either an oracle error is raised or a…

A: Answer: B. Exception section. Both the oracle errors and user-defined error are handled in Exception…

Q: Name the mandatory section of a PL/SQL block. Also briefly explain the three sections of a PL/SQL…

A: PL/SQL: It is an extended version of SQL. It is named so because it provides the data manipulation…

Q: Write SQL/PLSQL to perform the following functionalities: 1-Write trigger which prevents any CRUD…

A: To create and enable a database trigger, use the CREATE TRIGGER statement, which is:   A stored…

Q: Write a SQL query to calculate the total purchase amount of orders that have an even ID number

A: SQL Query are very useful to fetch the required data from database in the table form In this…

Q: Write an SQL statement to delete all rows of pets of type Anteater. What will happen if you forget…

A: The question is divided into two parts first part is asking a SQL code for deleting all thoserows of…

Q: The LIKE operator in SQL serves what purpose? Give an example to back up your claim.

A: SQL (Structured Query Language) for a computer language for managing relational databases and…

Q: What is SqlCommand Object?

A: A SqlCommand object allows the user to specify what type of interaction a user wants to perform…

Q: What is the purpose of LIKE operator in SQL? Support your answer with an example.

A: Given: What is the purpose of LIKE operator in SQL? Support your answer with an example.

Q: What SQL statement function is used to generate a column, where the value for the new column is…

A: A function is a set of SQL statements that perform a specific task. Functions foster code…

Q: When is the next Friday? The next Friday is on the TWENTY-SIXTH of FEBRUARY 2021

A: Writing SQL query

Q: Write a PL/SQL block to retrieve and display the students enrolled in a course.

A:

Q: What is the evaluation order for the Boolean operators (AND, OR, NOT) in an SQL command? How can a…

A: The AND, OR and NOT operators can be used in combined fashion with WHERE Clause.  NOT operator…

Q: IN SQL write a query to get the names of all Students who passed the exam from the table…

A: Required:

Q: What is the use of notation in the illustrative SQL commands?

A: Notations in the illustrative SQL commands are : i.  All-capitalized words denote commands.ii.…

Q: Using SQL DML statements, write SQL statements using the instance of the  DreamHome case study to;…

A: NOTE: Student asked only the statements for Inserting record , update record and list the branches.…

Q: What variables should be taken into account when determining whether or not to establish an index…

A: Introduction: A SQL index is a fast lookup database used to locate frequently sought records.  An…

Q: What is an index in SQL? Also write it's syntax.

A: An index contains keys built from one or more columns in the table or view. These keys are stored in…

Q: LIKE operator in SQL? Support your answer with examples.

A: Answer:   If the programmer wants to compare a value with similar values that are present in a…

Q: Write PL/SQL or T-SQL procedures to retrieve and output the item number, description, storehouse…

A: Program: Query: CREATE OR REPLACE PROCEDURE ITEM_CATGRY_PROC ( I_ITEM_NUM OUT ITEM.ITEM_NUM%TYPE,…

Q: Write a query in SQL to display all the data of customers, in Table customers, that live in New York…

A: If any of the conditions separated by OR is TRUE then the OR operator displays a record. All fields…

Q: create a view that shows all the orders with the customer name for a specific order date how would…

A: I give the query only and not output screenshot(because no table is present)

Q: In SQL what are the ACID properties of transactions?

A: Given:   In SQL what are the ACID properties of transactions?

Q: In SQL Sequence gives you guarantee that you won't have gaps. Select one: a. False b. True

A: Option a is correct i.e False

Q: Write a PL/SQL using a cursor with Basic loop to update the Price attribute of all flight records in…

A: Since table name is not mentioned, I am assuming table name as flights The column names are FName,…

Q: What is Stored Procedure (SP) in sql?

A: The sp stored procedures function in the Transact SQL language returns a list of the stored…

Q: In SQL is this a true or false statement: The DUAL table can be queried and updated.

A: In SQL is this a true or false statement: The DUAL table can be queried and updated.

Q: In SQL With partial dependencies, data redundancies occur because every row entry requires…

A: Given: In SQL With partial dependencies, data redundancies occur because every row entry requires…

Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.