Explain what you mean when you say an order is "fetched."
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SQL
SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.
Queries
A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prior to displaying the results. A search query is one type of query that many people perform several times per day. A search query is executed every time you use a search engine to find something. When you press the Enter key, the keywords are sent to the search engine, where they are processed by an algorithm that retrieves related results from the search index. Your query's results are displayed on a search engine results page, or SER.
Explain what you mean when you say an order is "fetched."
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- In your own words, please explain what it means to "fetch" an order.An invoice (or an order) contains a collection of purchased items or (order items). Should that collection be implemented using a list or a dictionary? Explain your answer fully.Briefly explain the difference between a nested if statement and a lookup function using a lookup table. Why is using a lookup function and table more efficient and effective? Provide an example.
- find pre order,post order and in orderHow is an ADT put together, exactly? Indicate your answer where indicated.Create a view of the Join of Deposit and Withdraw transactions to Bank Branch UNION with the join of Bill Payment and Debit Purchase, or Return transactions to Merchant (i.e., all transactions with appropriate reference name.). BranchNbr stores RefNbr of either 'D', OR 'W' transactions, and MerchantNbr stores RefNbr of either 'B', 'P' or 'R' transactions. Provide an alphabetic list by last name of all Clients showing their full name (e.g., Bob Barlow), with the number of Accounts they hold and the total balance of those Accounts Provide a count and total amount of Transactions for each Type Description PLEASE DONT NOT COPY THE EXISTING SOLUTION ON BARTLEBY IT IS WRONG AND DOES NOT WORK AND IS INCOMPLETE. GIVEN THE BELOW: --THIS CREATES THE BANK BRANCH TABLE: CREATE TABLE BankBranch ( BranchNbr INT PRIMARY KEY, BranchName VARCHAR(250)); --THIS CREATES THE MERCHANT TABLE: CREATE TABLE Merchant ( MerchantNbr INT PRIMARY KEY, MerchantName VARCHAR(250)); --THIS…
- Create a view of the Join of Deposit and Withdraw transactions to Bank Branch UNION with the join of Bill Payment and Debit Purchase, or Return transactions to Merchant (i.e., all transactions with appropriate reference name.). BranchNbr stores RefNbr of either 'D', OR 'W' transactions, and MerchantNbr stores RefNbr of either 'B', 'P' or 'R' transactions. Provide an alphabetic list by last name of all Clients showing their full name (e.g., Bob Barlow), with the number of Accounts they hold and the total balance of those Accounts Provide a count and total amount of Transactions for each Type Description PLEASE DONT NOT COPY THE EXISTING SOLUTION ON BARTLEBY IT IS DOES NOT WORK AND IS INCOMPLETE. GIVEN THE BELOW: --THIS CREATES THE BANK BRANCH TABLE: CREATE TABLE BankBranch ( BranchNbr INT PRIMARY KEY, BranchName VARCHAR(250)); --THIS CREATES THE MERCHANT TABLE: CREATE TABLE Merchant ( MerchantNbr INT PRIMARY KEY, MerchantName VARCHAR(250)); --THIS CREATES THE…As you start to get rid of sections, rows, and tables, keep the following in mind:Question#02 Please provide detailed solution with explanation and justification asap to get a upvote
- What is Order By clause ?Give some common strategies to consider if you want to write queries that run more efficiently?What* is a new table operation can you think of, that won't break closure? *What* about a new operation that does break closure? Your operations don't need to be useful in practice, but, they could be :) Note - changing column names/types, adding or deleting columns or rows are not considered table operations, as you know [so those can't be your answers :)] - other than that, you can come up with ANY operations!