oracleplsqlcursor

See Explicit Cursor Attributes in Oracle Database PL/SQL Language Reference for information about the cursor attributes used in these examples. Fetching Values.

In Oracle, a cursor is a mechanism by which you can assign a name to a SELECT statement and manipulate the information within that SQL statement. The following ...

2020年4月6日 — 它被PL/SQL自动关联，也叫SQL游标，由Oracle管理，用户无法控制但可以得到它的属性信息。 3、显式游标使用步骤 1）声明/定义游标，语法： CURSOR ...

2024年3月16日 — A Cursor is a pointer to this context area. Oracle creates context area for processing an SQL statement which contains all information about ...

2021年9月12日 — How to use a cursor · CURSOR cursor_name IS query; OPEN cursor_name; · CREATE VIEW sales AS SELECT customer_id, · DECLARE · SELECT customer_id,

A cursor is a pointer to this context area. PL/SQL controls the context area through a cursor. A cursor holds the rows (one or more) returned by a SQL ...

A cursor is a pointer to this context area. It contains all information needed for processing the statement. In PL/SQL, the context area is controlled by Cursor ...

A cursor is a pointer that points to a result of a query. PL/SQL has two types of cursors: implicit cursors and explicit cursors.

A cursor, either explicit or implicit, is used to handle the result set of a SELECT statement. As a programmer, you can declare an explicit cursor to manage ...

2020年12月2日 — The nice thing about the cursor FOR loop is that Oracle Database opens the cursor, declares a record by using %ROWTYPE against the cursor, ...