多选题
发布日期:2020-04-10
INSTR returns the numeric position of a named character.
NVL2 returns the first non-null expression in the expression list.
TRUNCATE rounds the column, expression, or value to n decimal places.
DECODE translates an expression after comparing it to each search value.
TRIM trims the heading or trailing characters (or both) from a character string.
NVL compares two expressions and returns null if they are equal, or the first expression if they are not equal.
NULLIF compares two expressions and returns null if they are equal, or the first expression if they are not equal.
题王网让考试变得更简单
扫码关注题王,更多免费功能准备上线!
此试题出现在
其他考试
通常生物氧化是指生物体内( )。
次氯酸钠溶液贮于冰箱中保存()。
慢性支气管炎定义中对病程的界定为()
一新生儿患Rh溶血病,以下不会出现的情况是( )。
下面关于存管联动转账业务描述正确的有()。
确诊妊娠合并阑尾炎后的治疗原则是()
线性规划可以作为哪类项目筛选标准的实例?()
什么桥采用长悬臂、薄板件,使桥梁上部结构越来越轻型化()
“重点检重点修”的检查范围和质量标准规定:铁路货车滚动轴承无(),外圈、前盖、轴箱前盖无裂损。
会计是一种商业语言。
暂无相关推荐~
Which two statements correctly describe UDLD? ()
Which two statements correctly describe VTP?()
Which two statements correctly describe a situation in which an Active/Standby S...
Which two statements correctly describe a Cisco WLC configuration of Wireless &g...
Which three statements correctly describe the features of the I/O calibration pr...
Which three of the statements below correctly describe the characteristics of Au...
Refer to the exhibit.Which three statements correctly describe Network Device A?...
Which two statements correctly describe characteristics of the PortFast feature?...
Which four statements correctly describe functions that are available in SQL? ()
Which two statements correctly describe the relation between a data file and the...