(1)If CURSOR_SPACE_FOR_TIMEis set to false (the default), then a cursor can be deallocated from the library cache regardless ofwhether application cursors associated with its SQL statement are this case, Oracle Database must verify that the cursor containing the SQLstatement is in the library...
(1)If CURSOR_SPACE_FOR_TIMEis set to false (the default), then a cursor can be deallocated from the library cache regardless ofwhether application cursors associated with its SQL statement are open.In this case, Oracle Database must verify that the cursor containing the SQLstatement is in th...
A cursor is a SELECT statement that is defined within the declaration section of your PLSQL code. We'll take a look at three different syntaxes for cursors. Cursor without parameters (simplest) The basic syntax for a cursor without parameters is: CURSOR cursor_name IS SELECT_statement; For ...
OPENcursor_name;Code language:PostgreSQL SQL dialect and PL/pgSQL(pgsql) In this syntax,cursor_nameis the name of the cursor you declare in the declaration section. When you open a cursor, Oracle parses the query, binds variables, and executes the associated SQL statement. Oracle also determ...
Suggested Reading: Numeric For Loop In Oracle PL/SQLSyntax of Cursor For Loop. FOR loop_index IN cursor_name LOOP Statements… END LOOP; Example 1: Cursor For Loop With Simple Explicit Cursor SET SERVEROUTPUT ON; DECLARE CURSOR cur_RebellionRider IS SELECT first_name, last_name FROM ...
Oraclecursor_sharing参数详解 一. 官网的说明 http://download.oracle.com/docs/cd/E11882_01/server.112/e17110/initparams042.htm#REFRN100251.1 CURSOR_SHARING Property Description Parameter type String Syntax CURSOR_SHARING = { SIMILAR | EXACT | FORCE }...
The following illustrates the syntax of the cursorFOR LOOPstatement: FORrecordINcursor_nameLOOPprocess_record_statements;ENDLOOP;Code language:PostgreSQL SQL dialect and PL/pgSQL(pgsql) 1) record Therecordis the name of the index that the cursorFOR LOOPstatement declares implicitly as a%ROWTYPEreco...
--只有SQL 语句完全相同的情况下,才会使用相同的cursor,即执行计划。 Notes: (1)If you set CURSOR_SHARING, then Oracle recommends the FORCE setting unless you are in a DSS environment. FORCE limits the growth of child cursors that can occur when the setting is SIMILAR. ...
You can open the provided filerefcursor_code.txtto copy and paste the code into the PL/SQL Editor. ClickCompile. If any compilation errors occur, check the code for syntax errors and recompile as needed. ClickClose. In the Data Model view, double-click the newREF CURSORquery object (QR_...
oracle.javatools.parser.plsql.data Interface PlsqlCursor All Superinterfaces: PlsqlHasFormals,PlsqlHasName,PlsqlNode All Known Implementing Classes: PtnodCursor public interfacePlsqlCursorextendsPlsqlNode,PlsqlHasName,PlsqlHasFormals A plsql cursor declaration. Syntax is "CURSOR TYPE nam...