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Oracle stored procedures and Java calls I found many bugs for the first time, so I paid a lot of attention. It took me three days to get rid of all the bugs. I will list all the points of attention, and there may be drops, please correct and discuss

Create split and splitstr functions in Oracle It is recommended that SQL statements be created in sequence.   /*************************************** Name: split * author: sean zhang. * date: 2012-09-03. * function: returns the table type after a

Query a table to check whether the table exists. If yes, delete it directly. Query a table to check whether the table exists. If yes, delete it directly. SQL code The Code is as follows: Select count (*) from user_objects where object_name = upper (

ORACLE-005: Create a JOB (1) Jobs are widely used in practical applications. Generally, you can regularly execute certain functions and stored procedures. The following describes how to create and start a JOB. For example, you can use a job to

SQL Tune Report-sqltrpt. SQL, reportsqltrpt. SQL ORACLE 10 Gb provides a script sqltrpt. SQL to query the most resource-consuming SQL statements. The output result is divided into two parts: 15 Most expensive SQL in the cursor cache 15 Most

MySql database Stored Procedure Learning I used to hear from others about the stored procedure at work. I thought it was a very advanced thing. I used my spare time to read the relevant knowledge. Now I will summarize my learning knowledge as

Let me talk about my requirements so that you can better understand my code. My requirements are: the stored procedure receives two parameters, userid and topicid, from the Java end ), in Let me talk about my requirements so that you can better

Explain the stored procedures of Oracle and PLSQL.1. Create a stored procedure in plsql Open plsql, right-click procedures, and create. If the creation is unresponsive Direct file-New-program window-blank, create a program windowStored Procedure

Mysql stored procedure write paging program bitsCN.com Mysql stored procedure write paging program/* paging program */delimiter // drop procedure if exists sp_page; create procedure sp_page (p_table_name varchar (1024), p_fields varchar (1024),

The MySQL5 stored procedure uses the legendary MySQL 5 with the stored procedure function. today I will try it out. haha, it's really good :) Write it down and study it with everyone. some advanced functions will be written even if they are

(1) ERRLOG contains information related to mysqd startup and shutdown, and any serious errors occurring on the server during running; you can use the-log-error [file_name] option to specify the location where mysqld saves the error log file. If the

This article describes in detail how to call and execute the mysql stored procedure in php and then return the value returned by the stored procedure. For more information, see. method of calling the stored procedure. a. If the stored procedure has

Four MySQL paging stored procedure examples This article collects four MySQL paging stored procedure instance code, has the efficient paging stored procedure as well as the entry-level and the common stored procedure pagination code, if you are

Ideas: You can use a sequential number table to record the current maximum sequential number for future use. Each time a serial number is obtained, the serial number table is updated to a large one. Involved tables: Sequential number table

DROP PROCEDUREproc_z4;CREATE PROCEDUREproc_z4 ()BEGIN DECLARECardCHAR( -); DECLARE Count INT; SELECT Count(*) into Count fromZ4; BEGIN DECLARECurCURSOR for SELECTCard fromZ4; OPENcur; while Count>0 DoFETCHCur intoCard; IFCard=' -' Then

1, crawl the remote image to the local, you will use what function? Fsockopen, A 2. Write a function that asks for the maximum value of 3 with the least amount of code. function ($a, $b, $c) { * W0 z* U6 k + E. L A:}5} return $a > $b? ($a > $c? $a: $

Statement 1 for oracle mass data update. For example, a flow field is added to a table, which is not empty and unique. 2. The data volume of the table is 3000000. 3. Assume that the table name is test. 4 www.2cto.com 5 1. Use cursor. 6 declare 7

Read the function logic to zero Drop table t; Create Table T as select * From dba_objects; create or replace function f_no_result_cache return number asv_return number; beginselect count (*) into v_return from t; return v_return; end; /set

In practice, we often encounter tables in the database that are dynamically generated during the running of the program. To operate the data in such tables, we need to use dynamic data window objects, it is worth mentioning that when a dynamic data

-- Create a job Begin Dbms_job.isubmit (102, 'control _ alarm_amount; ', sysdate, 'sysdate + (30/(24*60*60 ))'); End; / -- Execute job Begin Dbms_job.execute (102 ); End; / -- Delete a job Begin Dbms_job.remove (: job2 ); End; / Create or replace