EXPLAIN THE FOLLOWING TERMS 1. Clustered index   2. Outer join between two tables   3. Isolation property of transactions

Q: Explain clearly the following terms:   1. Clustered index   2. Outer join between two tables…

A:

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A: Answer:-

Q: Discuss the ACID properties of a transaction with the help of code example.

A: A transaction is a single logical unit of work which accesses and possibly modifies the contents…

Q: Which of the following is false: A. Tables are joined by using primary key/foreign key combinations…

A: The following statement is false B. A primary key can consist of more than one attribute

Q: In a table of a relational database, columns correspond to fields, and rows correspond to…

A: Option (a) is correct option. It's  Record.

Q: Suppose your company has built a database application that runs on a centralized database, but even…

A: In a centralized system, to handle the transaction load, query performance has to be improved.Query…

Q: In a relational database every table should have a _____ field defined. This field uniquely…

A: Answer is given below .

Q: What are the names of four properties that should be satisfied for all database transactions? Select…

A: Atomicity: It refers to not only a part but the integrity of the whole database transaction. That…

Q: Specify the following queries on the database schema shown in Figure attached using queries in SQL…

A: Question 1: In order to solve the above query, we need to join two tables named PROJECT and…

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A: option(B) is the correct option.

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A: Part 1:  For given ER diagram we need to create 4 tables . That are Account , Transaction, Checking…

Q: Describe transaction-level consistency. What disadvantage can exist with it?

A: Lets see the solution.

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A: Please check the next step for the answer:

Q: ntrast Transaction log and Database change log.

A: Required: Contrast Transaction log and Database change log.

Q: In the database, create a transaction. Discuss all of the good aspects of the trade in depth.

A: In the context of database transactions, a unit of work done inside a database management system (or…

Q: Answer to the following questions Write an SQL statement to create tables with details given below…

A: In this question, we are asked to write an SQL statement to create table CLIENT_DETAILS. SQL creat…

Q: You are provided with the Entity-Relationship Diagram below. Which of the following lines would…

A: The above question is answered in step 2 :-

Q: Using the film database you have, answer the following queries in your schema then write them down…

A: SUMMARY: -   Hence, we have discussed all the points.

Q: re there any other database relationships besides 1 M and 1:1? If so, describe the relationship and…

A: Required: Are there any other database relationships besides 1 M and 1:1? If so, describe the…

Q: Explain the anomalies in relational database. ii) Explain natural join with example.

A: Actually, database is a used to stores the data.

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A: Required : Use of Indexes, Plan, Rewriting SQL Server Statements, Materialized Views, Map-Reduce and…

Q: What are the benefits of using a transaction to group database operations together that need to…

A: To be determined: The benefits of using a transaction to group database operations together that…

Q: Answer the following questions according to below database schema figure. a. State the names of all…

A: /Name of tables: customers staffs  orders stores order_items

Q: varchar (13) not null, customer id int(25)); You have been tasked to use the SQL script provided…

A: List of entities indentified are:  Branch, Transaction Type, Network, Worker, Worker Branch,…

Q: . Clustered index   2. Outer join between two tables   3. Isolation property of transactions

A:

Q: 4. Create the Order_Product table as follows: • id is the primary key and its data type is serial…

A: 4. Query: CREATE TABLE Order_Product(    ID serial NOT NULL PRIMARY KEY,    quantity int NOT NULL…

Q: One of the recommendations regarding indexes is to specify a unique index for each primary key

A: IntroductionConstraints in SQL Server permits process the principles at the column level within the…

Q: Different user views are dealt at ________________ level of database architectureSingle line text.

A: Three schema Architecture The ANSI/SPARC architecture, commonly known as three-level architecture,…

Q: State nine rules of thumb for choosing indexes.

A: State nine rules of thumb for choosing indexes.

Q: Create a concept map (with arrows) showing the relationship between the following terms: Data type,…

A: Database: The database is a collection of inter-related data which is used to retrieve,insert and…

Q: What is the purpose of normalization? (in designing database)  Explain the difference between 2NF…

A: Ans 1-   An approach for organizing data in a database is normalization. A database must be…

Q: Answer to the following questions Write an SQL statement to create tables with details given below…

A: Syntax for creating primary key:-  create table tableName( columnName datatype primary key); Syntax…

Q: Which of the following is NOT an advantage of normalization? a) Multi-table queries run faster b)…

A: Normalization means dividing the tables in order to reduce the redundancy present in the table.…

Q: How to Write a sequence of SQL Statements that include a Stored Trigger to Create an Audit Trail for…

A: Here in the solution, we create two tables and implement the AUDITNG behaviour.  So, we have a…

Q: Explain Sample Java code snippet for an SQL transaction?

A: Table Data before SQL transaction:

Q: Explain how entities are transformed into tables

A: Given: Explain how entities are transformed into tables

Q: database joins expensive (take

A: According to the question we need to tell why are database joins expensive (take a lot of time and…

Q: INDEX function to search for data in a sorted list

A: Given :- In the above question, Index and Match function is mention in the above given question…

Q: Suppose your company has built a database application that runs on a centralized database, but even…

A: In a centralized system, to handle the transaction load, query performance has to be improved.Query…

Single Table

In a database management system, a single table is designed to obtain data of heterogeneous items. A single-table design with DynamoDB resolves the issue of raising multiple requests for the relevant data of an entity.