Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Concept explainers

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 prio…
Question

using oracle

**Using Oracle** **4. SQL Query Task:** - Write a SQL query to display all the data of employees including their department. **Tables:** 1. **company_mast:** - **Columns:** - `COM_ID`: Company ID - `COM_NAME`: Company Name - **Data:** ``` 11 | Samsung 12 | iBall 13 | Epson 14 | Zebronics 15 | Asus 16 | Frontech ``` 2. **item_mast:** - **Columns:** - `PRO_ID`: Product ID - `PRO_NAME`: Product Name - `PRO_PRICE`: Product Price - `PRO_COM`: Product Company ID - **Data:** ``` 101 | Mother Board | 3200.00 | 15 102 | Key Board | 450.00 | 16 103 | ZIP drive | 250.00 | 14 104 | Speaker | 450.00 | 16 105 | Monitor | 5000.00 | 11 106 | DVD drive | 900.00 | 12 107 | CD drive | 800.00 | 13 108 | Printer | 2600.00 | 12 109 | Refill cartridge | 350.00 | 12 110 | Mouse | 250.00 | 13 ``` 3. **emp_department:** - **Columns:** - `DPT_CODE`: Department Code - `DPT_NAME`: Department Name - `DPT_ALLOTMENT`: Department Allotment - **Data:** ``` 57 | IT | 65000 63 | Finance | 15000 47 | HR | 24000 27 | RD | 55000 89 | QC | 75000 ``` 4. **emp_details:** - **Columns:** - `EMP_IDNO`: Employee ID - `EMP_FNAME`: Employee First Name - `EMP_LNAME`: Employee Last
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Transcribed Image Text:**Using Oracle** **4. SQL Query Task:** - Write a SQL query to display all the data of employees including their department. **Tables:** 1. **company_mast:** - **Columns:** - `COM_ID`: Company ID - `COM_NAME`: Company Name - **Data:** ``` 11 | Samsung 12 | iBall 13 | Epson 14 | Zebronics 15 | Asus 16 | Frontech ``` 2. **item_mast:** - **Columns:** - `PRO_ID`: Product ID - `PRO_NAME`: Product Name - `PRO_PRICE`: Product Price - `PRO_COM`: Product Company ID - **Data:** ``` 101 | Mother Board | 3200.00 | 15 102 | Key Board | 450.00 | 16 103 | ZIP drive | 250.00 | 14 104 | Speaker | 450.00 | 16 105 | Monitor | 5000.00 | 11 106 | DVD drive | 900.00 | 12 107 | CD drive | 800.00 | 13 108 | Printer | 2600.00 | 12 109 | Refill cartridge | 350.00 | 12 110 | Mouse | 250.00 | 13 ``` 3. **emp_department:** - **Columns:** - `DPT_CODE`: Department Code - `DPT_NAME`: Department Name - `DPT_ALLOTMENT`: Department Allotment - **Data:** ``` 57 | IT | 65000 63 | Finance | 15000 47 | HR | 24000 27 | RD | 55000 89 | QC | 75000 ``` 4. **emp_details:** - **Columns:** - `EMP_IDNO`: Employee ID - `EMP_FNAME`: Employee First Name - `EMP_LNAME`: Employee Last
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