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1. what are two methods of retrieving sql? 【程序编程相关:介绍几个array库的新函数 】
databases questions & answers 【推荐阅读:LINUX 常见问题1000个详细解答(】
answer: 【扩展信息:Flex中使用Google】 2. what cursor type do you use to retrieve multiple recordsets? answer: 3. what action do you have to perform before retrieving data from the next result set of a stored procedure? answer: move the cursor down one row from its current position. a resultset cursor is initially positioned before the first row. before you can get to the first row, you would need to move the cursor down by one row ( for ex: in java the first call to next makes the first row the current row; the second call makes the second row the current row, and so on). 4. what is the basic form of a sql statement to read data out of a table? answer: select * from table_name; 5. what structure can you have the database make to speed up table reads? answer: the question is not correct. "what structure can you have the database make to speed up table reads?" it is not clear what exactly the term "structure" means in this case. follow the rules of db tuning we have to: ... 下一页