蓄水安全鉴定程序中设计、施工、监理、运行等建设各方分别编写()。 自检报告。 可行性研究报告。 初步设计。 鉴定报告。
Evaluate the following statements: CREATE TABLE purchase_orders (po_id NUMBER(4), po_date TIMESTAMP, supplier_id NUMBER(6), po_total NUMBER(8,2), CONSTRAINT order_pk PRIMARY KEY(po_id)) PARTITION BY RANGE(po_date) (PARTITION Q1 VALUES LESS THAN (TO_DATE(?1-apr-2007?d-mon-yyyy?), PARTITION Q2 VALUES LESS THAN (TO_DATE(?1-jul-2007?d-mon-yyyy?), PARTITION Q3 VALUES LESS THAN(TO_DATE(?1-oct - 2007?d-mon-yyyy?), PARTITION Q4 VALUES LESS THAN (TO_DATE(?1-jan-2008?d-mon-yyyy?)); CREATE TABLE purchase_order_items (po_id NUMBER(4) NOT NULL, product_id NUMBER(6) NOT NULL, unit_price NUMBER(8,2), quantity NUMBER(8), CONSTRAINT po_items_fk FOREIGN KEY (po_id) REFERENCES purchase_orders(po_id)) PARTITION BY REFERENCE(po_items_fk); What are the two consequences of the above statements?() Partitions of PURCHASE_ORDER_ITEMS have system-generated names.。 Both PURCHASE_ORDERS and PURCHASE_ORDER_ITEMS tables are created with four partitions each. 。 Partitions of the PURCHASE_ORDER_ITEMS table exist in the same tablespaces as the partitions of the PURCHASE_ORDERS table.。 The PURCHASE_ORDER_ITEMS table inherits the partitioning key from the parent table by automatically duplicating the key columns.。 Partition maintenance operations performed on the PURCHASE_ORDER_ITEMS table are automatically reflected in the PURCHASE_ORDERS table.。
充装系数:标准规定的气瓶单位水容积允许充装的()气体重量 最大。 最小。 标准。
Which of the following parameters defines the location where Oracle should create archived redo logs?() LOG_ARCHIVE_1 。 LOG_DESTINATION_1 。 LOG_ARCHIVED_DESTINATION_1。 LOG_ARCHIVE_DEST_1。 LOG_ARCHIVE_SOURCE_1。
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You receive the following error:
ORA-19804: cannot reclaim nnnnn bytes disk space from mmmmm limit
Identify the reason for receiving the above error message?()