Configuring Linux for the Installation of Oracle Database 10gPurposeIn this lesson, you learn how to configure Linux and prepare for the installation of Oracle Database 10g.TopicsThis lesson covers the following topics:OverviewPrerequisitesChecking
第四章:索引 1.creating function-based indexes sql> create index summit.item_quantity on summit.item(quantity-quantity_shipped); 2.create a B-tree index sql> create [unique] index index_name on table_name(column,.. asc/desc) tablespace sql>
根據中文拼音首字母排序、取得中文拼音首字母函數介紹根據中文的首字母、筆畫、部首排序函數【NLSSORT】:1)、首字母SELECT * FROM T_TABLE ORDER BY NLSSORT(NAME, 'NLS_SORT=SCHINESE_PINYIN_M');2)、筆畫SELECT * FROM T_TABLE ORDER BY NLSSORT(NAME, 'NLS_SORT=SCHINESE_STROKE_M');3)、部首SELECT * FROM T_TABLE ORDER BY
尋找apply the patch & mini patch:SELECT patch_name, patch_type FROM ad_applied_patchesORDER BY creation_date -----------------------2644657 ONE-OFF2641718
下表是在Oracle文檔裡裡面列出的操作會對錶加上什麼類型的lock,以及該鎖和其他類型的操作的相容性。Table 13-3 Summary of Table LocksSQL StatementMode of Table LockLock Modes Permitted?RSRXSSRXXSELECT...FROM table...noneYYYYYINSERT INTO table...RXYYNNNUPDATE table ...RXY*Y*NNNDELETE FROM
第一步,從資料字典視圖查詢出表的idselect object_id from all_objects where owner='SUNYARD' and object_name='TBL_WDC_INF';第二步,通過id查出該表中所有欄位的順序select obj#,col#,name from sys.col$ where obj#=89677;第三步,更新欄位的順序update sys.col$ set col#=0 where obj#=89677 and