A technician is asked to repair a Windows 7 computer with boot errors. Which of the following commands may be used?
A. CHKDSK/r
B. DEFRAG
C. SCANDISK/repair
D. DXDIAG
Answer: A. CHKDSK/r
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When Web pages display data stored in a database, they are said to be ____________________ generated.
Fill in the blank(s) with the appropriate word(s).
Records that have no matching records in a related table are referred to as:
A) unmatched records. B) duplicate records. C) single records. D) unequaled records.
By using a predefined ________, you can keep your charts consistent and maintain a professional look to a presentation
A) design B) scheme C) pattern D) layout
Consider a brokerage firm database with relations Holdings(AccountId, StockSymbol, Price, Quantity) and Balance(AccountId, Balance). Write the triggers for maintaining the correctness of the account balance when stock is bought (a tuple is added to Holdings or Quantity is incremented) or sold (a tuple is deleted from Holdings or Quantity is decremented).
Write both row level and statement level triggers.