Q. Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems?

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Q. Which of the following SQL statements are helpful in database redesign?

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Q. What SQL command can be used to delete columns from a table?

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Q. Which SQL-92 standard SQL command can be used to change a table name?

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Q. How can you find rows that do not match some specified condition?

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Q. A regular subquery can be processed:

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Q. What SQL command can be used to add columns to a table?

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Q. The EXISTS keyword will be true if:

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Q. Changing cardinalities in a database is:

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Q. The NOT EXISTS keyword will be true if:

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Q. To drop a column that is used as a foreign key, first:

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Q. What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?

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Q. Which is not true of a correlated subquery?

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Q. What is the full form of SQL?

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Q. Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

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Q. Which operator performs pattern matching?

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Q. What operator tests column for the absence of data?

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Q. Which of the SQL statements is correct?

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Q. The FROM SQL clause is used to...

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Q. Which SQL keyword is used to retrieve only unique values?

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