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Tablas del lab 1 Gestion de Datos I
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Tablas del lab 1 Gestion de Datos I

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tablas de la BD rrhh

tablas de la BD rrhh

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    Tablas del lab 1 Gestion de Datos I Tablas del lab 1 Gestion de Datos I Document Transcript

    • BTable Descriptions and Data
    • Human Resources (HR) Data Set JOB_GRADES GRADE_LEVEL LOWEST_SAL HIGHEST_SAL Oracle Database 10g: SQL Fundamentals I B-2
    • Human Resources (HR) Data Set The Human Resources (HR) schema is part of the Oracle Common Schema that can be installed in an Oracle database. The practices in this course use the data from the HR schema. Table Descriptions REGIONS contains rows representing a region (such as Americas, Asia, and so on). COUNTRIES contains rows for countries, each of which are associated with a region. LOCATIONS contains the addresses of specific offices, warehouses, and/or production sites of a company in a particular country. DEPARTMENTS shows details of the departments in which employees work. Each department can have a relationship representing the department manager in the EMPLOYEES table. EMPLOYEES contains details about each employee who works for a department. Some employees may not be assigned to any department. JOBS contains the job types that can be held by each employee. JOB_HISTORY contains the job history of the employees. If an employee changes departments within the job or changes jobs within the department, a new row is inserted in this table with the old job information of the employee. JOB_GRADES identifies a salary range per job grade. The salary ranges do not overlap. Oracle Database 10g: SQL Fundamentals I B-3
    • COUNTRIES Table DESCRIBE countries SELECT * FROM countries; Oracle Database 10g: SQL Fundamentals I B-4
    • DEPARTMENTS Table DESCRIBE departments SELECT * FROM departments; Oracle Database 10g: SQL Fundamentals I B-5
    • EMPLOYEES Table DESCRIBE employees SELECT * FROM employees; Oracle Database 10g: SQL Fundamentals I B-6
    • EMPLOYEES Table (continued) Oracle Database 10g: SQL Fundamentals I B-7
    • JOBS Table DESCRIBE jobs SELECT * FROM jobs; Oracle Database 10g: SQL Fundamentals I B-8
    • JOB_GRADES Table DESCRIBE job_grades SELECT * FROM job_grades; Oracle Database 10g: SQL Fundamentals I B-9
    • JOB_HISTORY Table DESCRIBE job_history SELECT * FROM job_history; Oracle Database 10g: SQL Fundamentals I B-10
    • LOCATIONS Table DESCRIBE locations SELECT * FROM locations; Oracle Database 10g: SQL Fundamentals I B-11
    • REGIONS Table DESCRIBE regions SELECT * FROM regions; Oracle Database 10g: SQL Fundamentals I B-12