Start with connect by prior 階層式查詢用法 - Jeff 隨手記- 點部落 Start with connect by prior 階層式查詢用法 2009/5/20 21:50 | 閱讀數 : 38253 | 我要推薦 | 文章分類 : 資料庫 | 訂閱 在Oracle裡有一個不錯的階層式查詢功能,可以用很簡短的Script來達成目標,階層的意思就有點像是(總經理->副總->協理->經理->副理…..)的 ...
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The Oracle PL/SQL START WITH Clause In Oracle PL/SQL, the START WITH clause appears in hierarchical SQL queries and is used to query data with Master-Detail relationships. ... Term: START_WITH Definition: In Oracle PL/SQL, the START WITH clause appears in hierarchical SQL queries and is ...
START WITH and CONNECT BY in Oracle SQL - René Nyffenegger on Oracle for rec in (select * from some_table) loop if FULLFILLS_START_WITH_CONDITION(rec) then RECURSE(rec, rec.child); end if; end loop; procedure RECURSE (rec in MATCHES_SELECT_STMT, parent_id IN field_type) is begin APPEND_RESULT_LIST(rec ...
Start with connect by prior 階層式查詢用法- Jeff 隨手記- 點部落 2009年5月20日 - 在Oracle裡有一個不錯的階層式查詢功能,可以用很簡短的Script來達成 ... 在Oracle裡有個Start with connect by prior可以使用,以下的語法就是找出 ...
START WITH and CONNECT BY in Oracle SQL The start with .. connect by clause can be used to select data that has a ... If Oracle encounters such an SQL statement, it proceeds as described in the following ...
Hierarchical Queries - Oracle Documentation START WITH specifies the root row(s) of the hierarchy. CONNECT BY specifies the relationship between parent rows and child rows of the hierarchy.
Oracle SQL 特殊用法@ oracle園地:: 痞客邦PIXNET :: connect by prior start with 經常會被用到一個表中存在遞歸關系的時候。比如我們經常會將一個比較復雜的目錄樹存儲到一個表中。或者將一些部門存儲到一個表中， ...
START WITH and CONNECT BY in Oracle SQL - Stack ... 2012年2月13日 - Why not simply: SELECT level, * FROM accounts START WITH parent_account_id = account_id CONNECT BY PRIOR account_id ...
sql中使用start with……connect by子句進行分級查詢 - Juwn的日誌 - 網易博客 sql中使用 start with……connect by子句進行分級查詢 ,Juwn的網易博客,腳踏實地、步步為營,性格開朗,愛交朋友。 ...
