We have a invoice table in the next page. Convert it to a data in key value database.

Q: • We have a invoice table in the next page. Convert it to a data in key value database. • Send your…

A: We can create a key-value pair database using NoSQL databases. Here, I have used MongoDB which is a…

Q: Suppose you want to get all student names that start with letter ‘M’ and end on ‘D’. Write a regular…

A: Following is the query and code and output as per your requirement. I just create a table student…

Q: What indices will be visited for the unsorted data below?

A: Related to the Java. Target = -3 a) 0 1 2 3 4 5 6 7 8  b) 0 c) 0 1 2 3 4 5 6 7 8 9 d) None of these…

Q: A table in third normal form is one which: A Has only one primary key. B Is linked to another table…

A: A table is in 3NF (third normal form) if the table is in 2NF and there is no transitive dependency…

Q: Does a foreign key have to refrence all the primary key fields of another

A: Primary key is an attribute or group of which uniquely identifies each row of the table.  Foreign…

Q: Consider a database with the following tables: Patient(PatientID. PatientName, NumberOfVisits)/…

A: Problem Statement: Consider a database with the followingtables: Patient(PatientID.…

Q: Do we consider NULL values the same as that of blank space or zero in databases?

A: No, We don't consider NULL values the same as that of blank space or zero in databases.

Q: A table in third normal form is one which: A Has only one primary key. B Is linked to another table…

A: Given:

Q: A table in third normal form is one which: A Has only one primary key. B Is linked to another table…

A: A  database is in third normal form if it: is already in second normal form it has no non-key…

Q: A table in third normal form is one which: A Has only one primary key. B Is linked to another table…

A: Third Normal Form (3NF):A relation is in third normal form, if there is no transitive dependency for…

Q: For executing a query, which specifies a range of values in the WHERE clause, among Ordered indexing…

A: - We need to talk about the indexing to use for getting data from WHERE clause.

Q: Not all versions of this database include referential integrity constraints for all foreign keys.…

A: The following types of integrity constraints are made to enforce in the sql create table commands as…

Q: Indexing can clearly be very beneficial. Why should younot create an index for every column of every…

A: Indexes : 1. It will slow up inserts and updates because those changes will cause an update of every…

Q: Write a Java method with appropriate SQL command to retrieve all the records from Employee table…

A: first of all, we need to register the driver. then getting the connection from the database using…

Q: Is this statement true or false? The term "null" refers to a column in a database table that does…

A: GIVEN: Is this statement true or false? The term "null" refers to a column in a database table…

Q: Give the limitations of SQL authorization.

A: Authorization is a process by which a server determines if the client has permission to use a…

Q: Is there any way to write a view that should return all the users that have been created by the root…

A: The statement given is:- If there is a way to write a view that could return all the users that have…

Q: Implement the following clauses on a database of your choice and produce results. (Write query and…

A: View: It is a virtual table based on the result set of SQL statement. The syntax for View is: CREATE…

Q: A select operation pares down a table in a relational database by eliminating columns according to…

A: The select operation is basically an operation which searches data in the table and acquire or…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Brief Introduction: The question is based on Dynamic apex in which we have to query and fetch the…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Given we have to use a Dynamic apex to identify the sobject type and then use that to develop a…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Introduction about the question: The question is based on Dynamic apex in which we have to query and…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Given we have to use a Dynamic apex to identify the sobject type and then use that to develop a…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Answer: Dynamic Apex: The term "dynamic SOSL" refers to the generation of an SOSL string with Apex…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Given we have to use a Dynamic apex to identify the sobject type and then use that to develop a…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Dynamic apex is used in the question in which we have to query and fetch the record but before that…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Brief Introduction: The question is based on Dynamic apex in which we have to query and fetch the…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Introduction: The question is based on Dynamic apex in which we have to query and fetch the record…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Introduction about the question: The question is based on Dynamic apex in which we have to query and…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Given we have to use a Dynamic apex to identify the sobject type and then use that to develop a…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Given we have to use a Dynamic apex to identify the sobject type and then use that to develop a…

Q: How we can use Dynamic apex to identify the sObject Type and then use it write a query and fetch the…

A: Introduction: The question is based on Dynamic apex in which we have to query and fetch the record…

Q: Can a foreign key have duplicate values?

A: Foreign key: Foreign key in one table that points to primary key in another table. Can a foreign key…

Q: Implement the following clauses on a database of your choice and produce results. (Write query and…

A: The BETWEEN operator is used to select the values of the queries within a given range. The JOIN rule…

Q: A select operation reduces the size of a table in a relational database by removing columns that…

A: A relational database set is a kind of enlightening assortment that stores and allows to server…

Q: For on ordered file based on non-key attribute, the following index can be created:

A: Question. For an ordered file based on a non-key attribute, the following index can be created: The…

Q: For on ordered file based on key attribute, the following index can be created:

A: Key attribute is a  distinct charecteristic of an object usually laid out in terms of their physical…

Q: Using an implicit cursor, write an anonymous block that will add 25% to the salaries of all…

A: A cursor is a pointer to this context area. PL/SQL controls the context area through a cursor. A…

Q: Using an implicit cursor, write an anonymous block that will add 25% to the salaries of all…

A: write an anonymous block that will add 25% to the salaries of all employees in department

Q: Using an implicit cursor, write an anonymous block that will add 25% to the salaries of all…

A: DECLARE sum NUMBER := 0; a NUMBER; BEGIN FOR i in 1 .. 5 LOOP a:=&a;…

Q: Using an implicit cursor, write an anonymous block that will add 25% to the salaries of all…

A: CREATE OR REPLACE PROCEDURE increase_salary (   department_id_in   IN employees.department_id%TYPE,…

Q: Q2\ design a data base in name A then create a table in name students that has Five column…

A: All queries  follow:   1.create the database: syntax:  CREATE DATABASE  A ;   2. create a table with…

Q: Using an implicit cursor, write an anonymous block that will display all employees who've been hired…

A: Oracle is an RDBMS where as SQL is the language used to access mordern databases. Oracle was the…

Q: InsurancePlans table. Write some possible tuples for this table.

A: A tuple is defined as a row or a single record in table   So, let's create a table with various…

Q: The DBA denormalized some of the data in the TAL Distributors database to improve performance, and…

A: Answer is given below .

Q: The DBA denormalized some of the data in the TAL Distributors database to improve performance, and…

A: Answer :

Q: what is insert anomaly, Update anomaly, and Delete anomaly

A: An insert anomaly is the failure to add information to the database because of the shortfall of…

Q: How the unicity distance helps removing Spurious keys? What is the significance of the unicity…

A: Unicity distance is the length of the original cipher text which is needed to break the cipher by…

Q: Database project 1- Create the following table in PL/SQL language and show the table; | ID | NAME |…

A: NOTE: ACCORDING TO COMPANY POLICY WE CAN SOLVE ONLY 1 PART PER QUESTION. YOU CAN RESUBMIT THE…

Q: How many keys in each bucket including overflow blocks?

A: Step 1: Inserting Keys in Hash table Inserting given key in hash table = 1, 7, 3, 29, 27, 23, 19,…