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Topic 0 : Before we begin
 

Topic 0 : Before we begin

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    Topic 0 : Before we begin Topic 0 : Before we begin Presentation Transcript

    • DATABASE Er. Pradip Kharbuja
    • Knowledge without memory is meaningless.
    • Module Database : Exam Pattern  Global Exam : 75%  Global Assignment : 25%
    • Module Database : Software  MySQL  Oracle  SQL Server
    • Excel Interface
    • SQL Server Interface
    • Excel vs Databse Excel Filename Sheet Name Column Name Database Database Name Database Table Name Database Field / Column
    • Database Table : departments dept_no 1 2 3 4 department_name Packing Account Human Resources Research location Cairo Lagos London INSERT INTO departments VALUES (1, 'Packing', 'Cairo'); INSERT INTO departments VALUES (4, 'Research'); INSERT INTO departments (dept_no, department_name) VALUES (4, 'Research');
    • Updating Data  UPDATE departments SET location = 'Nepal';  UPDATE departments SET location = 'Nepal' WHERE dept_no = 4;  UPDATE departments SET location = 'Nepal', department_name = 'Information Technology' WHERE dept_no = 4;
    • Deleting Data  DELETE FROM departments;  DELETE FROM departments WHERE dept_no = 1;
    • Selecting Data  SELECT * FROM departments;  SELECT dept_no, department_name FROM departments;  SELECT location, department_name FROM departments;  SELECT * FROM departments WHERE dept_no = 2;