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drop table (一邊連在墻上,使用時可放下的)連墻桌。

drop valve

Drop table indexes to improve performance for large bulk imports . this guideline is for when you are importing a large amount of data compared to the amount of data that is already in the table 如果要加載的數據與表中已存在的數據相比數量較大,則執行大容量導入操作之前從表中刪除索引將顯著提高性能。

Change scripts folder in solution explorer . the change script file lists any changed tables and how they were changed using the drop table , alter table , or create table sql statements 更改腳本文件列出了所有發生更改的表以及這些表的更改方式(使用drop table 、 alter table或create table sql語句) 。

You will notice few things ; the backup id eg 000000000000bb000002000d , dropped table start and end time eg . 20040705150008 and the ddl for the dropped table 您將注意到少數的幾件事;備份id (比如000000000000bb000002000d ) ,表刪除操作的開始和結束時間(比如20040705150008 )及被刪除表的ddl 。

Then use the drop table button to drop the table from the database , by adding the selected tablename to the “ drop table “ string , as follows 將選定的表名添加到“ drop table ”字符串中,然后使用drop table按鈕從數據庫中刪除該表,如下所示:

The delete statement deletes only rows from the table ; the table must be removed from the database by using the drop table statement Delete語句只從表中刪除行,要從數據庫中刪除表,可以使用drop table語句。

Issue the commands below to check whether a table space is enabled for dropped table recovery and if not , turn it on 發出下面的命令來檢查是否為表空間啟用了對被刪除表的恢復支持,如果沒有啟用,就打開它。

Alternatively , you may be able to manually reconstruct a dropped table or other lost data from the information in a snapshot 或者,也可以利用快照中的信息,手動重新創建刪除的表或其他丟失的數據。

By creating database snapshots on a regular basis , you can mitigate the impact of a major user error , such as a dropped table 定期創建數據庫快照,可以減輕重大用戶錯誤(例如,刪除的表)的影響。

You have to turn on the drop recovery option to y for table spaces are enabled for dropped table recovery initially 您必須將drop _ recovery選項設置為y ,來為表空間啟用被刪除表的恢復支持。

Db2 rollforward database sample to end of logs and complete recover dropped table 000000000000bb000002000d to e : - tmp 現在,在被刪除表的ddl語句清單中創建被刪除的表。

Db2 list history dropped table all for sample restore table space using the backup image without rolling forward 在沒有前滾操作的情況下,使用備份映像來恢復表空間。

How will your application behave if a drop table statement is embedded in a text field 如果在文本字段中嵌入了一個drop table語句,應用程序會做出什么反應?

You will need the backup id and the ddl for the dropped table in the subsequent steps 在一些后續步驟中,您需要用到被刪除表備份id和ddl 。

The sql syntax to delete a table is drop table followed by the tablename 刪除表的sql語法是drop table ,這之后是表名。

Roll forward using complete recover dropped table to e : - tmp 使用完全恢復將被刪除表前滾至e : tmp 。

Export is especially good to recover from a dropped table Export特別適合于從刪除的表中恢復數據

If the table does not exist , the drop table 如果該表不存在,則不執行

List the dropped table history by issuing the command 通過發出命令來列出被刪除表的歷史。

To recover a dropped table , do the following 要恢復被刪除的表,需要執行下面一些操作: