Which of the following practices are considered bad practices? (Choose all that apply.)

What are the mandatory clauses in a SELECT query, according to T-SQL?

What is the importance of the ability to assign attribute aliases in T-SQL? (Choose all that apply.)

What is true about the result of a query without an ORDER BY clause?

Which of the following is invalid? (Choose all that apply.)

Which of the following correctly represents the logical query processing order of the various query
clauses?

What is the relationship between SQL and T-SQL?

You have a database named Sales that contains the tables shown in the exhibit.

You need to create a query for a report. The query must meet the following requirements:
– NOT use object delimiters.
– Use the first initial of the table as an alias.
– Return the most recent order date for each customer.
– Retrieve the last name of the person who placed the order.
The solution must support the ANSI SQL-99 standard. Part of the correct T-SQL statement has
been provided in the answer area. Provide the complete code.

Which of the following is not a violation of the relational model?

Why is it important to use standard SQL code when possible and know what is standard and what
isn’t? (Choose all that apply.)