第1题：
A.A table referenced in the FROM clause has no indexed column.
B.The table referenced in the FROM clause has more than 200 columns.
C.Two or more tables in the FROM clause have identical column names.
D.The FROM clause contains two or more tables in the SELECT statement.
第2题：
In which four clauses can a subquery be used?（）
第3题：
A. in the INTO clause of an INSERT statement
B. in the FROM clause of a SELECT statement
C. in the GROUP BY clause of a SELECT statement
D. in the WHERE clause of a SELECT statement
E. in the SET clause of an UPDATE statement
F. in the VALUES clause of an INSERT statement
第4题：
Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）
第5题：
翻译：interpellation clause
第6题：
The relationship between the embedded clause and its matrix clause is one of a part to the whole.
A对
B错
第7题：
The relationship between the embedded clause and its matrix clause is one of a part to the whole.
第8题：
A. Immediately after the SELECT clause
B. Before the WHERE clause
C. Before the FROM clause
D. After the ORDER BY clause
E. After the WHERE clause
第9题：
In which of the following situations should correlation names be used?（）
第10题：
翻译：Warehouse to Warehouse Clause（）