()的《莎菲女士的日记》以“郁达夫式”的大胆和坦率,表现了一个时代新女性对理想爱情的追求。
论述往复活塞式压缩机气缸过热的原因。
n your production database you want to use an Automatic Storage Management (ASM) instance to manage the database files. Which option would you use to migrate the database files from a non-ASM instance to an ASM instance?() Oracle Migration Assistant。 Recovery Manager (RMAN)。 Oracle Data Pump Export and Import。 conventional Oracle Export and Import。 operating system utilities to copy the files to the ASM instance。
Examine the following command: CREATE TABLE (prod_id number(4), Prod_name varchar2 (20), Category_id number(30), Quantity_on_hand number (3) INVISIBLE); Which three statements are true about using an invisible column in the PRODUCTS table?() The %ROWTYPE attribute declarations in PL/SQL to access a row will not display the invisible column in the output.。 The DESCRIBE commands in SQL *Plus will not display the invisible column in the output.。 Referential integrity constraint cannot be set on the invisible column.。 The invisible column cannot be made visible and can only be marked as unused.。 A primary key constraint can be added on the invisible column.。
《包氏父子》逼真地描绘了可悲的父亲老包和可笑的儿子小包,而且还通过这对父子的矛盾,表现了社会的变化,是()小说创作的代表作之一。
You want to implement a master-detail relation between data blocks based on object tables. How would you do this? ()