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

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: Explain how each of the following types of integrity constraints is enforced in the SQL CREATE TABLE…

A: Answer: Definition: The limitations in the relational data model which is used to maintain the…

Q: What is the difference between COUNT, COUNT DISTINCT, and COUNT(•) in SQL? When will these…

A: Given: What is the difference between COUNT, COUNT DISTINCT, and COUNT(•) in SQL? When will these…

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: 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 is the difference between a SQL WHERE and SQL HAVING clause?

A: Answer: If "Where" clause is utilized to channel the records from a table that depends on a…

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: Def

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

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: What does SQL's Like operator do?

A: When a value is compared to other similar matters, the SQL LIKE clause employs wildcard operators to…

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: WHERE clauses can be used with HAVING clauses, but can they be used together in the same SQL SELECT…

A: WHERE clauses can be used with HAVING clauses, but can they be used together in the same SQL SELECT…

Q: ssign a name to a computed field? give few examples

A: What is a computed field? How can you use one in an SQL query? How do you assign a name to a…

Q: Can "ORDER BY" statement be used before "GROUP BY" statement in SQL? Justify your opinion with an…

A: In sql group by clause is used to make group based on group by column . Order by clause is used to…

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: 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: 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: What is the query used to see if the date format is same and find values other than dates in the…

A: I am giving some examples along with queries to explain this. Suppose:…

Q: get PL/SQL language to operate correctly in MySQL

A: get PL/SQL language to operate correctly in MySQL

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

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Q: What are Scalar Functions in SQL? What is View and how is it updated in SQL? What is a Sandbox in…

A: An SQL scalar function is a user-defined function written in SQL and it returns a single value each…

Q: What are the various Clauses used in SQL? How many Aggregate Functions are available in SQL? What…

A: Dear student, As per guidelines, I can answer only the first 3 questions. Please re-post your other…

Q: Write PL/SQL code to accept the text and reverse the text and test whether the given character is…

A: DECLARE @string NVARCHAR(255); SET @string = 'szaaa'; SELECT CASE WHEN @string=REVERSE(@string)THEN…

Q: Please give a detailed answer and code examples for all the questions. What are the types of SQL…

A: What is a SQL join   A SQL Join is a special form of generating a meaningful data by combining…

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: 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: 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: e name of a field in an SQL query? When

A: How do you qualify the name of a field in an SQL query? When is it necessary to do so? give few…

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

A: Please find the answer below :

Q: Is it possible to use PL/SQL or T-SQL procedures on MySQL?

A: Our task:Is it possible to use PL/SQL or T-SQL procedures on MySQL?

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: What is the purpose of the temporal extensions to SQL that were introduced in SQL:2011?

A: The purpose of the temporal extensions to SQL that were introduced in SQL:2011?   1 It…

Q: "ORDER BY" statement be used before "GROUP BY" statement in SQL? Justify your opinion with an…

A: GROUP BY statement is used to simplify the identical data into groups.

Q: What is the purpose of the COMMIT command in SQL?

A: The COMMIT is a SQL (Structured Query Language) command used to make the permanent changes in the…

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: