Consider the following database schema for music festival concerts. Underlined attributes denote a primary key. Only Genre can be NULL for any given tuple. FESTIVAL(FestivalName, FestivalID, Venue, StartDate, EndDate, Base TicketPrice) BAND(BANDNAME, BandID, Genre) PERFORMANCE (BID, FestID) And consider the following referential integrity constraint: For the PERFORMANCE relation, BID should reference a valid BandID in BAND, and FestID should reference a valid FestivalID in FESTIVAL. I. (60 pts) Write SQL data definitions to define appropriate table schemas for the festival concert database. Attribute domain choice is flexible, within reason (don't limit names or ids to a single character, for example). You do not need to write any code to add tuples to the database, and you can assume all the preliminary setup (Use command, etc.) before your data definition is already complete. II. (10 pts each) Write standard SQL queries to retrieve the following information from the database: a. List the band name and id of every band in the "Jazz" genre. b. List the festival name, venue, starting date, and ending date of every free festival. c. List the name of every festival at "KFC Yum! Center" that starts or ends in the year 2020. d. List every combination of band, by name, who has played (or is scheduled to play) at every venue. Each band, venue pair should be returned only once. To clarify potential confusion with query #4. if "The Miles Davis Quintet" played at five different individual festivals in Grant Park, Chicago, the pair ("Miles Davis Quintet", "Grant Park") should only be returned once by the query.

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Work with a monitor that’s calibrated and profiled. for critical image editing, calibration and profiling are essential. otherwise, the image you see on your monitor looks different on other monitors or when printed.plan to use adjustment layers to adjust the tonal range and color balance of your image. adjustment layers let you go back and make successive tonal adjustments without discarding or permanently modifying data from the image layer. keep in mind that using adjustment layers adds to the file size of the image and demands more ram from your computer. accessing the color and tonal commands in the adjustments panel automatically creates adjustment layers.if you don’t want to use adjustment layers, you can apply adjustments directly to an image layer. remember that some image information is discarded, when making a color or tonal adjustment directly to an image layer.for critical work and maximum preservation of image data, it’s best if the image you work with is 16 bits per channel (16‑bit image) rather than 8 bits per channel (8‑bit image). data is discarded when you make tonal and color adjustments. the loss of image information is more critical in an 8‑bit image than a 16‑bit image. generally, 16‑bit images have a larger file size than 8‑bit images.duplicate or make a copy of the image file. working on a copy of your image preserves the original in the event you want to use the image in its original state.remove any flaws such as dust spots, blemishes, and scratches from the image before making color and tonal adjustments.open the info or histogram panel in expanded view. as you evaluate and correct the image, both panels display invaluable feedback on your adjustments.you can make a selection or use a mask to confine your color and tonal adjustments to part of an image. another way to apply color and tonal adjustments selectively is to set up your document with image components on different layers. color and tonal adjustments are applied to only one layer at a time. only the image components on the targeted layer are affected.

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