List the guidelines for DML operations on complex views.

Q: A __________ is a source of data with which the application can work. a. database communicator b.…

A: Data source: Data source is considered to be location where the data that are being used are…

Q: What exactly is a Details view?

A: Introduction: If the programmer wants to display the columns of a single row of a database table on…

Q: Define table adapter

A: Ans:-  TableAdapters helps in providing  communication between your application and a database. They…

Q: What is metadata? What is result set metadata? When is result set metadata useful?

A: The metadata means data about data i.e. we can get further information from the data. If you have to…

Q: USE imdb; DELIMITER && CREATE PROCEDURE all_crew(IN movie VARCHAR(400)) BEGIN SELECT primary_title,…

A: CREATE TABLE IF NOT EXISTS `acted_in` (  `idacted_in` int(11) NOT NULL AUTO_INCREMENT,  `idmovies`…

Q: What are the methods of XML dataset object?

A: The XML dataset is utilized as a technology to input and write the information present in the XML…

Q: Establish referential integrity using SQL.

A: a) An entity integrity constraint specifies that every table must have a primary key and the primary…

Q: Metadata about the relations are stored in ________ a. File header b. Data dictionary c. Data query…

A: Given that: Metadata about the relations are stored in ________ a. File header b. Data…

Q: Why we use view in ADBMS? Give an example of a complex view.

A: Please give positive ratings for my efforts. Thanks.   ANSWER     A View is the result set of a…

Q: Create relational model

A: The given problem is related to modeling the relational database where the requirements are given in…

Q: Explain what are LINQ query expressions?

A: The LINQ stands for Language Integrated Query. It is used in construction of query. C# queries are…

Q: A foreign key in a table (a) may not be composed of a single element (b) Should, in turn, be…

A: Answer : The Given MCQ Answer is option D) must belong to the primary key of the table in which it…

Q: Design a “FAMILY INFORMATION SYSTEM” database using the SQL language. Design the table structure of…

A: ANSWER: FAMILY INFORMATION SYSTEM: The Family Information Systems Project (FISP) means to give a…

Q: In general terms, explain why XML is important for database processing.

A: Lets see the solution.

Q: When do changes generated by DML operations become stored in database tables permanently?

A: The answer is given below,

Q: Create the following table in mySQL Table name: Register Primary key: sid,cid Foreign key: sid…

A: According to the question below the solution:

Q: Your task for this week is to create SQL query to develop a table for Image schema also add all the…

A: Brief Introduction: This question is based on to give the query for the table creation in the…

Q: What is the entire form of the LINQ query language?

A: LINQ is also known as Language-Integrated Query.

Q: What problems can arise during view integration or merging relations?

A: Lets see the solution.

Q: Create a SOQL Query to find out the child and parent record using Inline SOQL and keep in mind that…

A: Problem Description : SOQL stands for the salesforce object query language which is closely related…

Q: Map the ER into relational schema

A: The relation schema for the given ER Diagram is: The entity tables and the relation are mapped .…

Q: Exactly how many global descriptor tables are there?

A: The Global Descriptor Table (GDT). A GDT is one of two kinds of tables that store segment descriptor…

Q: If a non-key column determines a key column, which normal form is violated?A) 1NFB) 2NFC) 3NFD) BCNF

A: BCNF:Boyce – Codd Normal Form (BCNF) is based on functional dependencies that in a relationship all…

Q: How is a simple view different from a complex view?

A: The difference between simple view and complex view is as follows,

Q: 3- Design a column family database for school. In school there are teachers and students. Teachers…

A: Teachers Teacher_ID Teacher_Name 101 Aristotle 102 Helen 103 Albert 104 Socrates 105…

Q: What are the conditions under which a DML action on a basic view is not permitted?

A: Given that: What are the conditions under which a DML action on a basic view is not permitted?

Q: What is query representation?

A: Introduction: Modeling the purpose or requirement is part of query representation. The technique of…

Q: Salesforce Assignment Create a SOQL Query to find out the child and parent record using Inline SOQL…

A: Answer: We have written the SOQL parent to child relationship and college as parent and child as…

Q: The term attribute refers to a of a table.

A: As per guideline , i answered the first question, repost the other question as separate one. To find…

Q: When are DML modifications in database tables made permanent?

A: Introduction: In SQL Developer, you may insert a DML statement in the Worksheet. To access and…

Q: What is Data view?

A: DataView allows you to create unique views of the data stored in the DataTable, a skill commonly…

Q: what is Language Integrated Query ?

A: Language Integrated Query (LINQ): LINQ is a part of a .NET framework provided by Microsoft, used to…

Q: What are the circumstances that prevent a DML action on a basic view from being perfo

A: What are the circumstances that prevent a DML action on a basic view from being performed?

Q: What are in text citations?

A: Given: What are in-text citations?

Q: “A flashback query is used to retrieve the committed data as it was at a past point in time”.…

A: Please find answer to the above question below:

Q: Describe the purpose of indexes and the important considerations in selecting attributes to be…

A: Purpose of Index: Indexing allows you to view the data more quickly, including reads and changes in…

Q: The conditions that advise the database designer to make advantage of supertype and subtype…

A: When a generic object is associated with several subtypes, it is referred to as a supertype.  A…

Q: computer scienceWhat is the purpose of target tables? What information are they giving?

A: Introduction: The target table is the table to which data is sent or where an action is performed.…

Q: A view is updatable when it is derived from joining two base tables on the _________ command

A: Given:   A view is updatable when it is derived from joining two base tables on the _________…

Q: What is the purpose of the FOR XML expression in an SQL statement?

A: To deal with XML data in our database, FOR XML expressions are required. We've been given the task…

Q: Generate the table creation DDL for the schema. Consider the keys primary and foreign.

A: The DDL stands for Data Definition language. The commands of DDL are : Create Alter Truncate Drop.

Q: What is a Details view?

A: "DetailsView": If the programmer wants to show the columns of only a single row of a database table…

Q: What is query representation in library science?

A: the answer is given below:-

Q: Under what circumstances is a DML operation not allowed on a simple view?

A: A DML or Data Manipulation Language is a part of a SQL (Structured Query Language) in which queries…

Q: Views may be used as data security components, but they also have their constraints.

A: Introduction: It is the process of verifying data to ensure data quality by ensuring that it has…

Q: You want to designate a unique index on the vehicle_id and VIN columns because together they filter…

A: Unique indexes are indexing that support maintaining data integrity by ensuring that no rows of data…

Q: Composite datatypes may only include multi row and multi column values. Answers: Yes No

A: The Correct Answer is: Yes Explanation in the below step

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.