1) What is the full form of SQL a) Structured Query Language b) Structured Query List c) Simple Query Language d) None of these 2) Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables? a) Data Definition Language (DDL) b) Data Manipulation Language (DML) c) Both of above d) None 3) Which operator performs pattern matching? a) BETWEEN b) LIKE c) EXISTS d) None 4) What operator tests column for the absence of data? a) EXISTS b) NOT c) IS NULL d) None 5) In SQL, which command(s) is(are) used to change a table's storage characteristics? a) ALTER TABLE b) MODIFY TABLE c) CHANGE TABLE d) All of the above 6) In SQL, which command is used to SELECT only one copy of each set of duplicate rows a) SELECT DISTINCT b) SELECT UNIQUE c) SELECT DIFFERENT d) All of the above 7) A command that lets you change one or more fields in a record is a) Insert b) Modify c) Look-up d) All of the above 8) Which SQL keyword is used to retrieve only unique values? a) DISTINCTIVE b) UNIQUE c) DISTINCT d) DIFFERENT 9) Which SQL statement is used to delete data FROM a database? a) DROP b) REMOVE c) ALTER d) DELETE 10) Which SQL keyword is used to sort the result-set? a) SORT BY b) ORDER c) ORDER BY d) SORT
0%
SQL 1
共享
共享
共享
由
Compkvrkpsec2
编辑内容
打印
嵌入
更多
作业
排行榜
显示更多
显示更少
此排行榜当前是私人享有。单击
,共享
使其公开。
资源所有者已禁用此排行榜。
此排行榜被禁用,因为您的选择与资源所有者不同。
还原选项
随堂测验
是一个开放式模板。它不会为排行榜生成分数。
需要登录
视觉风格
字体
需要订阅
选项
切换模板
显示所有
播放活动时将显示更多格式。
打开成绩
复制链接
QR 代码
删除
恢复自动保存:
?