In a sql database give an example of a search problem that will work with an inner join and will not work with an outer join. How would you write the query? Why does the search fail or succeed?
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- In Sql These are some database from a set of tables insert into AccountHolder(AccountID, CustomerID, AccountType)values (55003, 115, 'Savings'),(44001, 101, 'Chequing'),(55006, 109, 'Savings'),(44002, 102, 'Chequing'),(44003, 113, 'Chequing'),(55007, 108, 'Savings'),(44004, 103, 'Chequing'),(44005, 110, 'Chequing'),(55005, 112, 'Savings'),(44006, 114, 'Chequing'),(55001, 111, 'Savings'),(44007, 107, 'Chequing'),(44008, 104, 'Chequing'),(55004, 106, 'Savings'),(44009, 105, 'Chequing'),(44010, 113, 'Chequing'),(55002, 107, 'Savings'),(44011, 110, 'Chequing'),(44012, 104, 'Chequing') select * from AccountHolder insert into Branch(LocationID, BranchName, Address, Type, DepositSum, LoanSum)values (1, 'Boulevard Branch', '3268 Wade Boulevard', 'Rural', 171848.88, 37681.72),(2, 'Avenue Branch', '4814 Dare Avenue', 'Rural', 232707.42, 68324.56),(3, 'Street Branch', '208 Ferry Street', 'Commercial', 375010.75, 44665.08),(4, 'Road Branch', '468 Zulauf Road', 'Commercial', 496001.41,…When working with a relational database, a select operation may be used to reduce the amount of space used by a table by removing columns that meet certain requirements.Is this the right answer or the wrong answer?A select operation in a relational database is used to reduce the size of a table by deleting columns that meet particular requirements.Is this true or false?
- In a relational database, a select operation is used to minimise the size of a table by eliminating columns that do not fulfil certain constraints.Is this statement true or false?In a relational database, you may narrow down the number of columns in a table that match your criteria by using the select operation.Is it the right or wrong answer?A select operation in a relational database decreases the size of a table by removing columns that fulfill given criteria.Is this statement truthful or false?
- Views in SQL are kind of virtual tables. A view also has rows and columns as they are in a real table in the database. We can create a view by selecting fields from one or more tables present in the database. A View can either have all the rows of a table or specific rows based on certain conditions. Under what circumstances would you create a View?In a relational database, a select operation is used to minimise the size of a table by eliminating columns that fulfil certain criteria.Is this the right answer or the wrong answer?Using the WideWorldDistributors database and the Sales schema create a function that takes InvoiceID as an input parameter and returns all the rows from the table InvoiceLines for the InvoiceID value passed into the function. If the result is a NULL return a zero
- SQL optimizer tries to convert queries with nested subqueries into a join operation for better performance True FalseIn a relational database, a select operation reduces the size of a table by eliminating columns that meet specified specifications.Is this statement accurate or incorrect?A select operation in a relational database decreases the size of a table by removing columns that fulfill certain criteria.Is this statement truthful or false?