[单选]

Given table T1 has column I1 containing the following data:
I1
1 2 3 4
If the following sequence of SQL statements is applied within a single unit of work:
UPDATE t1 SET i1 = 3 WHERE i1 = 2; S AVEPOINT s1 ON ROLLBACK RETAIN CURSORS; UPDATE t1 SET i1 = 5 WHERE i1 = 3; SAVEPOINT s2 ON ROLLBACK RETAIN CURSORS;INSERT INTO t1 (i1) VALUES (6); ROLLBACK TO SAVEPOINT s1; UPDATE t1 SET i1 = 2 WHERE i1 = 4; COMMIT;
What is the expected sequence of values returned from?（）
SELECT i1 FROM t1 ORDER BY i1

什么是餐饮成本？其成本由哪些构成？ You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).Which two are the prerequisites to perform this operation？（） You must configure block change tracking file。 You must have first level 1 backups for RMAN to restore blocks。 You must ensure that the SALES database is mounted or open。 You must have full or level 0 backups for RMAN to restore blocks。 You must take the tools01.dbf data file offline before you start a block media recovery。 A healthcare customer has an IBM System i server and an HP-UX server. They have high performance I/O， image-based， and archival applications. The customer has asked the IBM team  for guidance on IBM DS8000 disk technologies.  Which DS8000 disk technology would provide the best performance without regard to cost to meet the customer requirement（） 73 GB 15k and 300 GB 15k drives。 73 GB SSD and 2TB 7.2k drives。 146 GB 15k and 300 GB 15k drives。 146 GB 15k and 2TB 7.2k drive。 根据《关于进一步规范商业银行代理保险业务销售行为的通知》，对需要进行需求分析与风险能力测评的投保人的特殊要求不包括（）。 商业银行向其销售的保险产品原则上应为保单利益确定的保险产品。 保险合同通过系统自动核保现场出单。 应将保单材料转至保险公司。 保单通过人工核保后，由保险公司出单。 餐饮成本从不同角度有哪些分类？

Given table T1 has column I1 containing the following data:
I1
1 2 3 4
If the following sequence of SQL statements is applied within a single unit of work:
UPDATE t1 SET i1 = 3 WHERE i1 = 2; S AVEPOINT s1 ON ROLLBACK RETAIN CURSORS; UPDATE t1 SET i1 = 5 WHERE i1 = 3; SAVEPOINT s2 ON ROLLBACK RETAIN CURSORS;INSERT INTO t1 (i1) VALUES (6); ROLLBACK TO SAVEPOINT s1; UPDATE t1 SET i1 = 2 WHERE i1 = 4; COMMIT;
What is the expected sequence of values returned from?（）
SELECT i1 FROM t1 ORDER BY i1