a) Write the standard SQL query to retrieve all information about the customer whose customer number is 8590 b) Write the standard SQL query to retrieve the Name and PhoneNumber of customers with a balance greater than 50
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.
![SALESREP
SalesRepNo
654
734
345
434
RepName
Jones
Smith
Chen
Johnson
HireDate
01/02/2005
02/03/2007
01/25/2004
11/23/2004
CUSTOMER
CustNo
9870
8590
7840
4870
CustName
Winston
Gonzales
Harris
Miles
Balance
500
350
800
100
SalesRepNo
345
434
654
345](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a91dce2-7b78-488c-a950-bff9db4e775f%2F85acd73c-3f7a-4e50-ba02-78ed6079f06f%2F23uhqxn_processed.png&w=3840&q=75)
![a) Write the standard SQL query to retrieve all information about the customer whose customer number is 8590
b) Write the standard SQL query to retrieve the Name and PhoneNumber of customers with a balance greater than
50](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a91dce2-7b78-488c-a950-bff9db4e775f%2F85acd73c-3f7a-4e50-ba02-78ed6079f06f%2Fbjldm4e_processed.png&w=3840&q=75)
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