In which case would you use a FULL OUTER JOIN? （） Both tables have NULL values.。 You want all unmatched data from one table.。 You want all matched data from both tables.。 You want all unmatched data from both tables.。 One of the tables has more data than the other.。 You want all matched and unmatched data from only one table.。
（）的儿童教育突破了单一的理论流派，在结合意大利传统历史、文化和教育方式的基础上，他们多年艰苦二执着的时间努力下，发展了自己独特的早期教育之路。 瑞吉欧•艾米利亚。 蒙台梭利。 欧文。 马拉古兹。
In your database server， the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve？（） It degrades the run time and compiler performance.。 It provides better run time and compiler performance.。 It provides better optimization of the statement during parse time.。 It forces the rule based optimizer to be used for statement optimization.。 It provides better run time performance but slightly degraded compiler performance.。 It provides better run time performance but slightly degraded run time performance.。
施工中有重大变更或图面更改面积超过（）时，应重新绘制竣工图。 A.10% 。 B.15% 。 C.20% 。 D.25%。
Which is not a valid locale definition file type？（） Language。 Linguistic sort。 Calendar。 Territory。 Character set。
Which of the following is not a valid linguistic sort element?（）
