User A executes the following command to update the TRANS table) SQL> UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’; Before user A issues a COMMIT or ROLLBACK command, user B executes the following command on the TRANS table: SQl> ALTER TABLE trans MODIFY (tr_type VARCHAR2 (3)); What would happen in this scenario?()
We had an exciting ______ on the Trans-Siberian railway last week.
View the exhibit and examine the TRANS table's storage information.
After a massive delete operation, you executed the following statement to shrink the TRANS table: SQL> ALTER TABLE trans SHRINK SPACE CASCADE; Which statement describes the outcome of the command?()
Trans-splicing反式剪接
View the exhibit and examine the TRANS table's storage information. After a massive delete operation, you executed the following statement to shrink the TRANS table: SQL> ALTER TABLE trans SHRINK SPACE CASCADE; Which statement describes the outcome of the command?()
编写一个函数trans,将传入此函数的直角坐标值转换为极坐标值,并返回主调函数中,要求两值均以指针参数带回。 注意:部分源程序给出如下。请勿改动主函数main和其它函数中的任何内容,仅在函数的花括号中填入所编写的若干语句。
trans-acting factor (反式作用因子)
反式作用因子(trans-acting factor)