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Oracle - > auto send AWR Report September 21, 2016 09:31 Requirement Description: Daily or regular manual use of AWR reports to check the status of Oracle database is not only time-consuming but also labor-intensive, requiring the use of scripts to automatically collect AWR reports.    Analysis scheme: Script to collect AWR report: $o ...

Android adds pictures and alarm clocks to the database and displays them with listview 2 Novice on the road, please give me more advice Continue last time, the teacher proposed to add two more alarm clocks. Although it was not satisfactory, it also made Because it's not so hard for a novice to simplify his intelligen ...

Prepare data: – create a "shop" Database CREATE DATABASE shop CHARSET=utf8; – use "Jingdong" Database use shop; – create a goods data table Insert data (if you don't understand the meaning of each field name, read the insert data below, you will understand it, but you still ...

What is a Linq expression? What is a Lambda expression? I used this for a while ago, but I didn't find a relatively simple and clear method on the Internet. Today, I sorted out the relevant knowledge and studied it carefully when I was free public Program() { List<Student> allStudent = new List<Student> { new St ...

PyQt5 building library management system (3) -- Design of login page PyQt5 building library management system (3) -- Design of login page Analysis Code: The effect is as follows Analysis The logic of the login page is simple, as follows: -User input student number and password (for security, plus input ...

Several ways of Java inserting current time into MySQL and several ways of java time date format: (refer to network resources for information) Several ways of java inserting current time into MySQL The first is to convert the time of type java.util.Date to the time of type java.sql.Date recognized by mysql database Note: ja ...

Reflection mechanism in java Catalog1. The concept of reflection mechanism2. Base Class of Reflection3. Usage of reflection4. Examples of applications of reflection Author's introduction: A stack of learning notes, a person working hard The concept of reflection mechanism: In the run state, all the properties and methods of this class can be ob ...

1, MySQL database 1. Create database CREATE DATABASE jdbc CHARACTER SET 'utf8'; 2. build tables CREATE TABLE user ( id int(10) NOT NULL AUTO_INCREMENT, userName varchar(20) NOT NULL, PRIMARY KEY (id) ); 3. Add data 2, Connect MySQL database through JDBC 1.JDBC URL 2.Statement boolean execute(String SQL): if the ResultSet object can be ...

Parameterless stored procedure: create or replace procedure sayhello as --Explanation part begin dbms_output.put_line('hello world'); end; 1 2 3 4 5 6 Two call methods of command window 1. SQL> set serveroutput on; --The first time I have to drive SQL> exec sayhello hello world PL/SQL procedure successfully comple ...

1. PlSql programming procedure language In the sql statement of database, the common definition of variable condition judgment cycle structure is added to the statement of process 1) . basic grammatical structure declare – declaration part – similar to defining variables begin &nda ...