3.Dyamic cursors in PL/SQL create or replace package dynamic_cursor is type t_crs isref cursor; procedure dyn_sel ( tab_name in varchar2, field_name in varchar2, val in varchar2, crs in out t_crs); procedure openCursor; end dynamic_cursor; / create or replace package body dynamic_...
1.行锁开始于一个CURSOR的OPEN,结束于一个提交COMMIT或ROLLBACK,而并不是结束于一个CURSOR的结束(CLOSE)。 2.当在一个CURSOR中对某个表的行加锁,那么如果在这个SESSION中用另一个CURSOR操作该行记录时候会等待第一个cursor的完成提交,直到第一个cursor提交完成之后,第二个cursor中对改行的操作才会开始执行。 3....
Although most Oracle Database users rely on the automatic cursor handling of the database utilities, the programmatic interfaces offer application designers more control over cursors. In application development, a cursor is a named resource available to a program, which can be specifically used for p...
CLOSE MYCURSOR; LEAVE loop_mycursor; END IF; -- stmts; END LOOP; 15) Ensure your Oracle VARCHAR & VARCHAR2 references which have no default values are provided with some e.g. VARCHAR(15). Note: there is no VARCHAR2 type in MySQL as of 5.0.1 16...
The following procedure failed to compile with the EXCEPTION inside the cursor loop. If commenting out EXCEPTION section, the procedure compiled successfully. Question: Does Oracle support catch exception inside cursor loop? if yes, could you provide a working example?
for (role, port) in cursor: print("{} - {}".format(role, port)) cursor.close() cnx.close() We can already test it: $ python test_router.py PRIMARY - 3310 Good, we can connect to the cluster using the read/write splitting port (6540) and execute the query…. oh ?! But why...
The STRONG_REF_CURSOR and until Oracle 9i also the weak-type need to be declared in a package structure lik this: create or replace package REFCURSOR_PKG as TYPE WEAK8i_REF_CURSOR IS REF CURSOR; TYPE STRONG_REF_CURSOR IS REF CURSOR RETURN EMP%ROWTYPE; end REFCURSOR_PKG; The pl/sql pro...
for (role, port) in cursor: print("{} - {}".format(role, port)) cursor.close() cnx.close() We can already test it: Copy code snippet Copied to Clipboard Error: Could not Copy Copied to Clipboard Error: Could not Copy $ python test_router.py ...
ref_cursor1.close or else no need to close after your procedure execution curors and local varibles will vanish i bilieve. I hope its bit clarified you. Thanks Thursday, January 18, 2007 2:00 AM Hi Ashutosh Bhardwaj, You can do this by using cursors in Oracle. ...
I want to use a cursor in stored procedure as nested stored procedure call as below code. Is it possible? Could you correct me how to write code? --- declare cursor cursor for SELECT proc_sample_recordset('param'); DECLARE CONTINUE HANDLER FOR NOT FOUND SET quitLoop = TRUE; OPEN...