MySQL

2024年8月12日 — A database cursor is a database-level object that lets you query a database multiple times. You get consistent results even if there are ...

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A database cursor is an identifier associated with a group of rows. It is, in a sense, a pointer to the current row in a buffer.

2021年9月12日 — Content. Implicit cursors and Explicit cursors; How to use a cursor; Cursor FOR LOOP statement; Cursor with Parameters; Cursor Variables with ...

資料指標（Data Cursor）或稱游標，是在資料庫引擎(Database Engine)中，讓開發人員或資料庫管理員可以遍歷、瀏覽檢索結果的資料列(稱為資料查詢結果集, Result set) ...

2022年3月7日 — A database cursor can be thought of as a pointer to a specific row within a query result. The pointer can be moved from one row to the next.

2010年10月5日 — With cursor you access one row at a time. So it is good to use it when you want manipulate with a lot of rows but with only one at a given time.

In computer science, a database cursor is a mechanism that enables traversal over the records in a database. Cursors facilitate subsequent processing in ...

The DB->cursor() method returns a created database cursor. Cursors may span threads, but only serially, that is, the application ...