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6 sql query handling

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MBA Amity Business School - IT for Managers

Published in: Data & Analytics
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6 sql query handling

  1. 1. SQL QUERY HANDLING
  2. 2. Querying Databases: Elements of SQL Basic SQL Commands  SELECT: Specifies columns  FROM: Identifies tables or views  WHERE: Specifies conditions
  3. 3. THE DATABASE APPROACH TO DATA MANAGEMENT Results of SELECT Statement
  4. 4. THE DATABASE APPROACH TO DATA MANAGEMENT Results of Conditional Selection 137 150 Door latch Door seal 22.50 6.00 C
  5. 5. WHAT IS A SQL FORM?  A SQL Form serves the same purpose as a paper form.  Instead of being printed on paper it is drawn out by the computer on the terminal screen and the form is used to pass information to and from the computer database.  The user types in the data to be stored or, alternatively, the computer fills in sections of the form with information requested by the user.  Just like a paper form, a SQL Form will have a space for each item of data which is to be entered or displayed.  Within a SQL Form each of these spaces is referred to as a field.

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