4. Using the EMPLOYEE, JOB, and PROJECT tables; write the SQL code that will join the EMPLOYEE and PROJECT tables using EMP NUM as the common attribute. Display the attributes shown in the results presented below, sorted by project value. PROJ NAME PROJ VALLE FROJ BALANCE EMP LNAME BMP_FNAME EMP NTIAL JOB CODE JOB_ DESCRPTION JOB_CHO HOUR Roling Tide Evergreen Startight Anber Wave 805000.00 500345 20 Senior David H 501 Systems Analyst 96.75 1453500.00 2650500.00 3500500.00 Programmer Programmer Systems Analyst 1002350.00 Arbough June 500 35.75 2309880 00 Alonzo Maria 00 35.75 2110346 00 viashington Ralph 501 96.75 5. Write the SQL code that will list only the distinct project numbers in the ASSIGNMENT table, sorted by project number.
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.
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