题目内容

通过证券市场线(SML)可以得出一种金融资产的预期收益率,根据有效市场假说(EMH),实际收益率与该预期收益率的任何偏离会很快被消除。

A. 正确
B. 错误

查看答案
更多问题

In a test database, you issue the SELECT … INTO OUTFILE statement to create a file with your t1 table data. You then TRUNCATE this table to empty it.() Mysql> SELECT * INTO OUTFILE '/tmp/t1.sql' from t1; mysql> TRUNCATE t1;

A. $ mysqladmin – u root – p – h localhost test – restore /tmp/t1.sql
B. Mysql> INSERT INTO t1 VALUES FROM '/tmp/t1.sql'
C. $ mysql – u root – p – h localhost test < /tmp/t1.sql
D. Mysql> LOAD DATA INFILE '/tmp/t1.sql' INTO TABLE t1
E. $ mysqlinport – u root – p – h localhost test /tmp/t1.sql

WORD样式

材料申购:

纤维有机土壤物质

答案查题题库