WebTo be safe, you might want to use the following EXIT statement instead: EXIT WHEN c1%NOTFOUND OR c1%NOTFOUND IS NULL; You can use the cursor attributes in procedural statements but not in SQL statements. Examples This PL/SQL block uses %FOUND to … Constants and Variables. You can declare constants and variables in the declarative … To execute a multi-row query, Oracle opens an unnamed work area that stores … WebFeb 18, 2024 · Code line 9: Using the cursor attribute ‘%NOTFOUND’ to find whether all the record in the cursor is fetched. If fetched then it will return ‘TRUE’ and control will exit from the loop, else the control will keep on …
PLSQL——游标(显式游标、隐式游标、REF游标) - 元享技术
WebApr 14, 2024 · Use the following code to create the sample tables in Oracle and PostgreSQL and insert data into them. The following is the Oracle code: create table test_table as WITH t (n) AS ( SELECT 1 from dual UNION ALL SELECT n +1 FROM t WHERE n < 5000) SELECT n as id,'test_' n as name ,sysdate +n as login_date FROM t; The following is the PostgreSQL code: WebDec 2, 2024 · The cursor FOR loop is an elegant and natural extension of the numeric FOR loop in PL/SQL. With a numeric FOR loop, the body of the loop executes once for every integer value between the low and high values specified in the range. With a cursor FOR loop, the body of the loop is executed for each row returned by the query. the pit stop bangor facebook
什么是oracle游标-每日运维
WebSep 26, 2024 · Exit if a condition is met. The EXIT WHEN command will instruct the code to exit the loop when test_cursor%NOTFOUND, which is an attribute of the cursor that is set when the next record is not found. It’s saying that the loop will exit when all rows have been processed. Print a line of text. WebOct 11, 2001 · EXEC SQL WHENEVER NOT FOUND DO BREAK ; /* Ejecuta el siguiente código hasta que el FETCH no devuelva nada */ while (sqlca.sqlcode==0) ... >exit; Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit Production With the Partitioning, OLAP and Data Mining options. October 24, 2006 - 2:06 pm UTC ... WebOct 29, 2008 · OPEN C_get_value; FETCH C_get_value INTO O_value; IF C_get_value%NOTFOUND THEN O_error_message := 'Invalid values '; RETURN 1; END IF; … the pit stop bangor