January
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.
Write following SQL Queries:
1. List the order number, order date, customer number, customer name (first and last), employee number, and employee
name (first and last) of January 2017 orders placed by Colorado customers.
2. List the customer number, name (first and last), order number, order date, employee number, employee name (first and
last), product number, product name, and order cost (OrdLine.Qty * ProdPrice) for products ordered on January 23,
2017, in which the order cost exceeds $150.
3. List the order number and total amount for orders placed on January 23, 2017. The total amount of an order is the sum
of the quantity times the product price of each product on the order.
4. List the order number, order date, customer name (first and last), and total amount for orders placed on January 23,
2017. The total amount of an order is the sum of the quantity times the product price of each product on the order.
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