Great Basic SQL aptitude Questions

Some SQL Aptitude questions

Q  Which  is  the  subset  of  SQL  commands  used  to  manipulate  Oracle  Database
structures, including tables?
Q  What operator performs pattern matching?
Q  What operator tests column for the absence of data?
Q  Which command executes the contents of a specified file?
Q  What is the parameter substitution symbol used with INSERT INTO command?
Q  Which command displays the SQL command in the SQL buffer, and then executes it?.

Q.  What are the wildcards used for pattern matching?
Q  State true or false. EXISTS, SOME, ANY are operators in SQL.
Q  State true or false. !=, <>, ^= all denote the same operation.
Q. What are the privileges that can be granted on a table by a user to others?

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