材料申购:
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; $ mysqladmin – u root – p – h localhost test – restore /tmp/t1.sql。 Mysql> INSERT INTO t1 VALUES FROM '/tmp/t1.sql'。 $ mysql – u root – p – h localhost test < /tmp/t1.sql。 Mysql> LOAD DATA INFILE '/tmp/t1.sql' INTO TABLE t1。 $ mysqlinport – u root – p – h localhost test /tmp/t1.sql。
大学教师可采用以下哪些方式来解决心理问题?() 学会倾诉自己的压力和情绪。 主动接受心理健康教育。 参加体育锻炼。 保持一种以上的爱好。
Which statement is true when you run the SQL Tuning Advisor with limited scope?() Access path analysis is not performed for the SQL statements.。 SQL structure analysis is not performed for the SQL statements.。 SQL Profile recommendations are not generated for the SQL statements.。 The staleness and absence of the statistics are not checked for the objects in the query supplied to the SQL Tuning Advisor.。
检查交流防雷是否正常,主要检查防雷模块单元和电源模块单元是否亮() 熄灭。 绿灯。 黄灯。
地区性产业布局的主要模式()