Strong and weak ref cursor in oracle
Webdiffernce between strong ref cursor and weak ref cursor This site is currently read-only as we are migrating to Oracle Forums for an improved community experience. You will not be able to initiate activity until January 31st, when you will be able to use this site as normal. Data Big Data Appliance Data Science Databases General Database WebSep 17, 2010 · HI, By keeping What need in mind oracle introduced the REF cursor except passing the result set. I just want to know what are best places to use refcursor. 1.) to pass the result set 2.) support JDBC/ result set ... weak vs strong ref cursors EB, August 03, 2005 …
Strong and weak ref cursor in oracle
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WebMay 10, 2024 · A ref cursor can be either weak- or strong-typed. A strong-typed ref cursor has a return type defined when the ref cursor itself is declared in PL/SQL. ... However, ref cursors can help optimize Oracle data retrieval. One of the primary benefits of using PL/SQL is that it is tightly integrated with both Oracle Database and the SQL language. For ... WebA ref cursor is a variable, defined as a cursor type, which will point to, or reference a cursor result. The advantage that a ref cursor has over a plain cursor is that is can be passed as a variable to a procedure or a function. The REF CURSOR can be assigned to other REF CURSOR variables.
WebIn computer programming, a weak reference is a reference that does not protect the referenced object from collection by a garbage collector, unlike a strong reference.An object referenced only by weak references – meaning "every chain of references that reaches the object includes at least one weak reference as a link" – is considered weakly reachable, … WebJul 13, 2012 · differnce between strong ref cursor and weak ref cursor - Oracle Forums SQL Developer differnce between strong ref cursor and weak ref cursor 948798 Jul 13 2012 — …
http://dba-oracle.com/t_adv_plsql_strong_ref_cursor.htm WebOracle will make sure query returns same type as it is declared in strong cursor. And, since we are guaranteed cursor return type is fixed, we can reference that return type using …
WebThis form of cursor variable called strong typed REF CURSOR because the cursor variable is always associated with a specific record structure, or type. And here is an example of a … Code language: SQL (Structured Query Language) (sql) The new syntax here is … First, declare a cursor that accepts two parameters low price and high price. The … An explicit cursor is an SELECT statement declared explicitly in the declaration … Code language: SQL (Structured Query Language) (sql) In this syntax: First, …
WebCursor Variables Based on Strong and Weak Ref Cursor Types CREATE OR REPLACE PACKAGE refcursor_pkg IS /* Use this "strong" REF CURSOR to declare cursor variables whose queries return data from the endangered_species table. gun crimes in us compared to other countriesWebYou are not allowed to open a strongly typed ref cursor for a dynamic sql, as the oracle engine cannot check whether the structure of the dynamic sql is matching with that of the ref cursor's return type. Share Improve this answer Follow answered Mar 19, 2024 at 6:22 Ramakant Mishra 11 2 Add a comment Your Answer Post Your Answer bowman lawn mowers magherafeltWebName of the REF CURSOR type that you are defining. RETURN Specifies the data type of the value that the cursor variable returns. Specify RETURN to define a strong REF CURSOR … bowman law firm virginia beachWebMar 11, 2013 · 4. A cursor is really any SQL statement that runs DML (select, insert, update, delete) on your database. A ref cursor is a pointer to a result set. This is normally used to … bowman law groupWebdiffernce between strong ref cursor and weak ref cursor This site is currently read-only as we are migrating to Oracle Forums for an improved community experience. You will not … gun crossbody bagWebMar 22, 2024 · What is strong and weak ref cursor? A strongly typed ref cursor always returns a known type, usually from a declared TYPE object. A weakly typed ref cursor has a return type that is dependant on the SQL statement it executes, i.e. only once the cursor is opened is the type known (at runtime). Why ref cursor is used in PL SQL? bowman ld-007WebDec 20, 2011 · Ref Cursors are described in Oracle® Database PL/SQL Language Reference guide. The guide states: +"If you specify return_type, then the REF CURSOR type and … bowman ld-064