We can use view to collect textual information from users.
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: Question 7 Integration features/commands can be used to create a chart from access data.
A: Integration features commands can be used to create a chart from access data - A. True B. False The…
Q: What is Materialized view?
A: In computing, a materialized view could be a info object that contains the results of a question .…
Q: Is there a way to cut down on the amount of time it takes to reprogramme views?
A: View controllers: There may be as many sub views in a view controller as there are root views. You…
Q: xplain Local Descriptor Table?
A: Local descriptor table (LDT) : There are 3 different types of descriptor table Global descriptor…
Q: What is the syntax for the drop table command?
A: Justification: In SQL, the DROP statement is used to deactivate a component in a relational database…
Q: CREATE TABLESPACE user_tbspace DATAFILE 'user.dbf' SIZE 2m; create user mary identified by mary;…
A: Given that, CREATE TABLESPACE user_tbspace DATAFILE 'user.dbf' SIZE 2m; create user mary identified…
Q: Update a driver's record using the ACTIVE_DRIVERS VIEW.
A: The given database has a table DRIVERS and a view that table named as ACTIVE_DRIVERS. The…
Q: What happens to the data displayed by a view when the view is deleted?
A: Nothing will happen to the data displayed by a view, if the view is deleted.
Q: Explain why an index is only useful if an attribute's values change enough.
A:
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A: Q: Write required SQL statement for give problem
Q: What command can be used to modify a view?
A: In a database,a view is a virtual table containing the result-set of an SQL query. A view also has…
Q: Answer the questions using the database below. Tables and data contained in the database of a…
A: Since you have asked multiple questions in a single request, as per policy, we will be answering…
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A: To flash back a table to an earlier SCN or timestamp, you must have either the FLASHBACK object…
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: Task-4: Plot a scatter plot with the Model Year values in the x-axis and their value counts in the…
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A: in below we give trigger in sql:
Q: SelectALL: what do we call a column in the dataset? Attribute independent variable v Feature
A: An attribute or feature in dataset is called as column.
Q: When a view is destroyed, what happens to the data that was previously presented by the view?
A: Introduction: An Oracle view is a named and verified SQL query that is saved in the Oracle…
Q: 1.6) Constraints should be used to force valid data entry / modification to the database True …
A: 1.6) The Correct Answer for the above questions("True") Explanation⦁ In a relationship model,…
Q: Write a simple 2-page app with SQL/PDO that allows users to: • View all the rows of the table. •…
A: Find a code implementation below.
Q: Which of the staternent(s) given in the options is NOT true about View Helper design pattern? View…
A: view helpers creates intermediate data model that serves as business data adapter.(is a false…
Q: How do you ensure that no user can change the data displayed by a view?
A: Add the WITH READ ONLY clause when making the table to make sure that no user can modify the data…
Q: Indices can speed up query processing, but it's usually a terrible idea to
A: The answer is
Q: File Edit View Tools Help New Database GOpen Database GWrite Changes Revert Changes Open Project…
A:
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A: Given :
Q: gress’, ‘Not Started’, ‘Waiting on someone else’. For Completed Task: - ‘Completed’. Other Task…
A: Here is the simplified code for the above listed problem statement:
Q: Create a read-only view, name it as ViewD, that will contain RType and the number of rooms per RType…
A: We are going to create view in the table which will have attribute Rtype and Rnumber.
Q: Create a lessonSchedule table with FK constraints
A: -- create table LessonSchedule with below attributes, respective data types, not null constraints,…
Q: Define the relationship between ‘View’ and ‘Data Independence’.
A: Answer: A view is a virtual table that gets its data from one or more underlying base tables rather…
Q: Indices can speed up query processing, but it's usually a terrible idea to index every attribute,…
A: The answer is
Q: Q1.Write a query that show the manager data like this? ename job JONES ***MANAGER BLAKE…
A: Question 1 Ans : SELECT * FROM employee e ORDER BY e.name ASC, e.salary DESC; Question 2 Ans :…
Q: ProductType is a foreign key field in the Orders table and is constrained to a list of valid entries…
A: Foreign key concept comes from referential integrity which establishes master child relationship.
Q: If the functional dependencies are consistent with the above relation, put TRUE. If they are not,…
A: A functional dependency X->Y exist if the unique value of X determines a unique value of Y. If…
Q: an Student endpoint that will connect to database and pull in the back all the data from table (The…
A: using System; using System.Data; using System.Data.SqlClient; namespace DatabaseConnectivity {…
Q: you make sure that no one may alter the data in a view
A: How can you make sure that no one may alter the data in a view
Q: Explain the relationship between these pieces of code CREATE SEQUENCE Customers_Sequence;…
A: The ask is to explain what is the relationship between the given pieces of SQL.
Q: What’s unique about materialized views compared with other views?
A: In SQL, the materialized view is stored on the physical disc and is a logical structure. It is used…
Q: Create a view named all_volunteer that gets details of all volunteers that assigned tasks in the…
A: Print all the details of Volunteers whose ID is found in Assignment table
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: create a unique Key Index
A: The CREATE UNIQUE INDEX command forms a exclusive index on a table where no duplicate values…
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- Q2 Every month there are millions of streamers who stream in a variety of different categories. for this challenge, you will be working on writing a data structure that will be storing the name of streamers streaming, the number of views they currently have, as well as the category they are streaming inSave the changes permanently to the database.True or False Rather than showing multiple rows at once, a Details view lets the user see one row at a time.
- It is necessary for someone to double-check the APA citations and references, hence I would want to submit a PowerPoint presentation.response page checks username and password against arrays of valid usernames and passwords (normally this is done against a database - we'll change it later) If valid - saves username to cookie, and sets session variable LoggedIn to TRUE. If not, sets the session variable to FALSE. Displays link to "content page" (the page you're protecting). Created with Mi NotesUsing jQuery, you will be creating a To Do list where you can add a task and a due date via text boxes and an Add button. Each item added will include a countdown indicating number of days until the deadline. Use the skeleton of one of your assignments with all the links so that there is consistency in layout between all the assignments.
- Describe the strategy for saving reprogramming time for views.The snippet of code below is relevant for creating RecyclerView. Please answer the following questions based on the code: @Override public ViewHolder onCreateViewHolder (ViewGroup viewGroup, int viewType) { View view = LayoutInflater.from (viewGroup.getContext()) .inflate (R.layout.text_row_item, viewGroup, false); } return new ViewHolder (view); @Override public void onBindViewHolder (ViewHolder viewHolder, final int position) { viewHolder.getTextView().setText } (dataSet [position]); What is R.layout.text_row_item? What is onCreateViewHolder () trying to achieve?Describe a circumstance in which changing the caption of a field to request input from the user makes sense. After that, explain how to alter the field caption.