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

Q: How is the underscore character different from the % character in SQL?

A: Difference between underscore character and % character in SQL:

Q: What is the purpose of the COMMIT command in SQL?How does commit relate to the notion of a…

A: Ans:)  Before knowing the COMMIT command we must know what is a transaction. A transaction is a…

Q: in pl/sql ,use Cursor to get all the records from table  job_history for employee_id 121

A: pl/sql code for the above question is solved in step 2:- assume table job_history has columns…

Q: Briefly explain the DML transactions in PL/SQL and write down the general syntax of each.

A: Given: Data Manipulation Language (DML) These SQL commands deals with the manipulation of data…

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 a PL/SQL block, could you please indicate the subsection that is required? Also, provide a…

A: PL/SQL is a SQL dialect that has been expanded.  It's called so because it combines SQL's data…

Q: How do you sort data in SQL? When there is more than one sort key, how do you indicate which one is…

A: Answer: The sort key is used to sort data. First ORDER BY is used in the query and then the sort key…

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: When do you think that the CASE keyword in SQL would be useful?

A: The CASE statement always goes in the SELECT clause CASE must include the following components:…

Q: What is the purpose of the WHERE clause in SQL? Which comparison operators can you use in a WHERE…

A: In SQL, WHERE clause is used to extract only particular field or row that satisfies a criteria from…

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: 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: How would you modify the structure of a table using SQL? What sorts of adjustments are conceivable…

A: Introduction: Database objects known as tables store data in rows and columns and are used as…

Q: How can I remove the duplicates in SQL? Here is the code. SELECT     [EmployeeID]     ,[RoleID]…

A: Note: The content of the database is not given so only the required answer is given(without output)…

Q: What is the purpose of cursors in PL/SQL?

A: The 'Cursor' is a PL/SQL construct that enables users to name and access the work area's stored…

Q: In SQL can the tables of a view be modified via the view?

A: In SQL, a view is a virtual table based on set of SQL statements. Syntax: CREATE VIEW [view_name]…

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: Write a PL/SQL procedure to change the name of the project to “AL Dahariyah Projects” where place…

A: GIVEN: Write a PL/SQL procedure to change the name of the project to “AL Dahariyah Projects”where…

Q: I can not seem to get this SQL to work with out errors: SELECT CUSTOMER_NUM,LAST_NAME,FIRST_NAME…

A: Whenever we are trying to join two tables, then in that case we give an alias to the table name. An…

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, is this a true or false statement: Pseudocolumns contain values present in a table, but not…

A: Pseudo columns: A pseudo-column is like a column for a table but not stored in a table in reality.…

Q: In SQL, what is a view? What is the definition of it?

A: Introduction: A view is any relationship not part of the logical model but is made visible to the…

Q: With SQL, how can you delete the records where the "FirstName" is "Rana" in the Persons Table?

A: DELETE is the command used to delete a record from table and you can specify the criteria in WHERE…

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: 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: How would you alter the structure of a table with SQL? What kinds of changes are conceivable in…

A: Introduction: A table structure contains information on the names of fields, their sizes, and their…

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: What is SQLite Count aggregate function?

A: According to the asked question, the proper solution is given in below step accurately:

Q: What is the purpose of the SQL isolation levels?

A: Answer is given in step 2

Q: what is the difference between inner and outer join in sql

A: Please find the answer below :

Q: Describe the circumstances in which you would choose to use embed- ded SQL rather than SQL alone or…

A: Certified by Topper: It was due to the following that revolutionary protests broke out in France:…

Q: How is the pattern matching done in the SQL?

A: Write about the pattern matching in SQL. SQL - Structured Query Language: It is used to access and…

Q: From Oracle SQL Need Code Task 4: In the NONCAT table, increase the price of each item in category…

A: Please upvote me. I am providing you the correct answer below.     I am taking certain assumptions…

Q: -cluste

A: Non-clustered index?

Q: Describe the role of CASE and DECODE functions in SQL? Also explain what structures we use in PL/SQL…

A: Below are the answers:

Q: Write the following queries in SQL: Display the list of all course sections offered in Spring 2018,…

A: Here, we will use a SELECT statement to display the required result set along with the decode…