using oracle 4- From the following tables write a SQL query to display all the data of employees including their department ? company_mast COM ID COM NAME 11 Samsung 12 iBall 13 Epsion 14 Zebronics 15 Asus 16 Frontech item_mast PRO_ID PRO_NAME 101 Mother Board 102 Key Board 103 ZIP drive 104 Speaker 105 Monitor 106 DVD drive 107 CD drive 108 Printer 109 Refill cartridge 110 Mouse emp_department DPT_CODE DPT_NAME 57 IT 63 Finance 47 HR 27 RD 89 QC 127323 Michale 526689 Carlos 843795 Enric 328717 Jhon 444527 Joseph. 659831 Zanifer 847674 Kuleswar 748681 Henrey 555935 Alex 539569 George 733843 Mario 631548 Alan 839139 Maria ha aid PRO_PRICE 3200.00 450.00 Robbin Snares Dosio Snares Dosni Emily EMP LNAME 65000 15000 240000 55000 75000 Sitaraman Gabriel Manuel Mardy Saule Snappy Foster પર્વ 96 EMP DEPT 57 63 57 63 47 47 57 47 57 27 63 27 57

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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.