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The ORACLE tutorial is: PL/SQL programming experience summary Developer Network Oracle. I usually encounter some problems in PL/SQL programming. I will summarize them in the form of Q & A for you to share.1. Can pipelines be used to improve

I usually encounter some problems in PL/SQL programming. I will summarize them in the form of Q & A for you to share. 1. Can pipelines be used to improve processing efficiency when you need to load a large amount of data streams to a table or

The Oracle tutorial being looked at is: Pl/sql Programming experience Summary Developer Network Oracle. Usually in the Pl/sql programming encountered some problems, here in the form of questions and answers to summarize them, for everyone to share.

First, the simplest loop loop. Loop.sqlCREATE OR REPLACE PROCEDURE loop_demo AUTHID current_useris l_date date;    BEGIN l_date: = sysdate;        LOOP EXIT when l_date > sysdate + 10;        L_date: = l_date + 1; Dbms_output.    Put_Line

The Oracle tutorial being looked at is: a summary of Oracle9ipl/sql programming experience. Usually in the Pl/sql programming encountered some problems, here in the form of questions and answers to summarize them, for everyone to share. 1, when the

The ORACLE tutorial is: Oracle9iPL/SQL programming experience. I usually encounter some problems in PL/SQL programming. I will summarize them in the form of Q & A for you to share.1. Can pipelines be used to improve processing efficiency when you

The ORACLE tutorial is: Oracle9iPL/SQL programming experience. I usually encounter some problems in PL/SQL programming. I will summarize them in the form of Q & A for you to share. 1. Can pipelines be used to improve processing efficiency when you

Part 1: SQL & PL/SQL[Q]How to query special characters, such as wildcards % and _[A] select * from table where name like 'a \ _ % 'escape '\' [Q]How to insert single quotes to database tables[A] ASCII codes can be used for processing. Other special

1.1 Injection statement (via time injection function)Database name Localhost:8080/scripttest/userservlet?username= ' Union SELECT IF (SUBSTRING (current,1,1) =char (101), BENCHMARK ( 10000000,encode (' SASSSG ', ' zcxczx ')), null), COUNT (*) from

Inject attack implemented in insert query1. The idea is to insert the target value information into the page that contains the INSERT statement. Often included is a subquery.2. Note that in the insert process, the left injection point and the right