Write the SQL code to validate the ASSIGN_CHARGE values in the ASSIGNMENTtable. Your query should retrieve the assignment number, employee number, project number, the stored assignment charge (ASSIGN_CHARGE), and the calculated assignment charge (CALC_ASSIGN_CHARGE, calculated by multiplying ASSIGN_CHG_HR by ASSIGN_HOURS and rounded to two decimal places). Sort the results by the assignment number. The results of running that query are shown in Figure P7.5.
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 the SQL code to validate the ASSIGN_CHARGE values in the ASSIGNMENTtable. Your query should retrieve the assignment number, employee number, project number, the stored assignment charge (ASSIGN_CHARGE), and the calculated assignment charge (CALC_ASSIGN_CHARGE, calculated by multiplying ASSIGN_CHG_HR by ASSIGN_HOURS and rounded to two decimal places). Sort the results by the assignment number. The results of running that query are shown in Figure P7.5.
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