1. 编写Oracle存储过程,确保过程中有输出结果 首先,我们需要编写一个Oracle存储过程,并在过程中使用DBMS_OUTPUT.PUT_LINE来输出我们想要查看的结果。例如,下面是一个简单的存储过程,它接受两个数字作为输入参数,并打印它们的和: sql CREATE OR REPLACE PROCEDURE print_sum( p_num1 IN NUMBER, p_num2 IN NUMBER...
create or replace procedure print_table ( p_query in varchar2, p_date_fmt in varchar2 default 'dd-mon-yyyy hh24:mi:ss' ) -- this utility is designed to be installed ONCE in a database and used -- by all. Also, it is nice to have roles enabled so that queries by -- DBA's ...
在存储过程中,可以使用输出功能记录日志信息,以便后续分析。例如在Oracle中: CREATE OR REPLACE PROCEDURE LogMessage(p_message IN VARCHAR2) IS BEGIN DBMS_OUTPUT.PUT_LINE('Log: ' || p_message); END LogMessage; / 然后在存储过程中调用这个日志记录过程: BEGIN LogMessage('Starting the process'); -- ...
1、cat print_table.sql CREATE OR REPLACE PROCEDURE print_table(p_query IN VARCHAR2) AUTHID CURRENT_USER IS l_thecursor INTEGER DEFAULT dbms_sql.open_cursor; l_columnvalue VARCHAR2(4000); l_status INTEGER; l_desctbl dbms_sql.desc_tab; l_colcnt NUMBER; BEGIN EXECUTE IMMEDIATE 'alter sessi...
The Code and Description values for the reason code must match the values used in the Oracle Retail Merchandising System (RMS). Code –Enter a new unique identifier of the return reason. If you enter a duplicate value, an error message is displayed. Description –Enter a description of the ...
CREATE OR REPLACE PROCEDURE print_table(p_query IN VARCHAR2) AUTHID CURRENT_USER IS l_thecursor INTEGER DEFAULT dbms_sql.open_cursor; l_columnvalue VARCHAR2(4000); l_status INTEGER; l_desctbl dbms_sql.desc_tab; l_colcnt NUMBER; BEGIN EXECUTE IMMEDIATE 'alter session set nls_date_format=...
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APEX_UTIL.DOWNLOAD_PRINT_DOCUMENT ( p_file_name IN VARCHAR, p_content_disposition IN VARCHAR, p_report_data IN BLOB, p_report_layout IN CLOB, p_report_layout_type IN VARCHAR2 default 'xsl-fo', p_document_format IN VARCHAR2 default 'pdf', p_print_server IN VARCHAR2 default null); ...
Oracle行转列函数PRINT_TABLE的用法 简介 在sqlplus,如果列比较多,往往会显示不够清晰,这时如果能把查询语句行转列就明了多了,可以用print_table存储过程实现。 存储过程PRINT_TABLE源码 CREATEORREPLACEPROCEDUREPRINT_TABLE(P_QUERYINVARCHAR2, P_DATE_FMTINVARCHAR2DEFAULT'YYYY-MM-DD HH24:MI:SS')-- THIS ...
Not good option for SQL Server as there is no direct equivalent to autonomous transactions like in Oracle. What if your proc does something in transaction which needs to be rolled back? Your log will be rolled back as well... I do some logging to variables, table variables are good too ...