Differentiate between SQL statements and iSQL*Plus commands
Restricting and Sorting Data
Limit the rows retrieved by a query
Sort the rows retrieved by a query
Single-Row Functions
Describe various types of functions available in SQL
Use character, number, and date functions in SELECT statements
Use conversion functions
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1Z0-007 exam
1. What does the FORCE option for creating a view do?
A.creates a view with constraints
B.creates a view even if the underlying parent table has constraints
C.creates a view in another schema even if you don't have privileges
D.creates a view regardless of whether or not the base tables exist
Answer: D
2. In which three cases would you use the USING clause? (Choose three.)
A.You want to create a nonequijoin.
B.The tables to be joined have multiple NULL columns.
C.The tables to be joined have columns of the same name and different data types.
D.The tables to be joined have columns with the same name and compatible data types.
E.You want to use a NATURAL join, but you want to restrict the number of columns in the join condition.
Answer: CDE
3. What are two reasons to create synonyms? (Choose two.)
