企业本期预收的销货款，属企业本期的收入。
You need to create a table named ORDERS that contain four columns: 1. an ORDER_ID column of number data type 2. aCUSTOMER_ID column of number data type 3. an ORDER_STATUS column that contains a character data type 4. aDATE_ORDERED column to contain the date the order was placed. When a row is inserted into the table, if no value is provided when the order was placed, today's date should be used instead. Which statement accomplishes this? （） [" CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE = SYSDATE);"," CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE DEFAULT SYSDATE);"," CREATE OR REPLACE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE DEFAULT SYSDATE);"," CREATE OR REPLACE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE = SYSDATE);"," CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status NUMBER (10), date_ordered DATE = SYSDATE);"," CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status NUMBER (10), date_ordered DATE DEFAULT SYSDATE)"]
下列不属于物流产业特征的是（） ["现代性","基础性","服务性","综合性"]
What topologies does the IBM System Storage TS7650 ProtecTIER Deduplication Gateway support?（） ["grid"," cascade"," hub and spoke"," edge and core"]
You are managing an Oracle Database 11g database with the following backup strategy：1） On Sunday， an incremental level 0 tape backup is performed.2） Monday through Saturday， a cumulative incremental level 1 tape backup is performed. Which twostatements are true regarding the backups performed（） ["The backup performed in step 1 backs up all blocks that have ever been in use in the database.","The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.","The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.","The backup performed in step 2 backs up all blocks that have changed since the most recent incrementalbackup at level 1"]
直接报酬
