To determine the number and type of columns in a table,use the SQL construct COUNT(*).
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Q7: When examining data values as a part
Q8: When examining data values as a part
Q9: The third step in assessing table structure
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Q11: Relations are sometimes left unnormalized to improve
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Q14: To limit the number of rows retrieved
Q15: When examining data values as a part
Q16: When examining data values as a part
Q17: The second step in assessing table structure
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