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emcli安装参考
Plug-in
Announcing MySQL Plugin 12.1.0.1.0 for Oracle Enterprise Manager 12c Cloud Control
--注册信息
[root@test agent]# /oem/emcli setup -url=https://omsdb.localdomain:7301/em -username=sysman
Oracle Enterprise Manager 12c 3.
Copyright (c) 1996, 2013 Oracle Corporation and/or its affiliates. All rights reserved.
The configuration directory "/root" may not be local. See the "dir" option in the help for the setup command.
Do you want to continue using this directory? [yes/no] yes
Enter password
Warning: This certificate has not been identified as trusted in the local trust store
--------------------------------------
[
[
Version: V1
Subject: CN=omsdb.localdomain, OU=FOR TESTING ONLY, O=MyOrganization, L=MyTown, ST=MyState, C=US
Signature Algorithm: MD5withRSA, OID = 1.2.840.113549.1.1.4
Key: Sun RSA public key, 512 bits
modulus: 9774958300566363503040586563208719740991935019890276590480512776276093552614004362217344254713840684473865384959907800325054231280357054886533950898531631
public exponent: 65537
Validity: [From: Tue Feb 18 13:40:23 CST 2014,
To: Mon Feb 19 13:40:23 CST 2029]
Issuer: CN=CertGenCAB, OU=FOR TESTING ONLY, O=MyOrganization, L=MyTown, ST=MyState, C=US
SerialNumber: [ 32a8b9c4 41026faa 37b98eb0 1084ec9f]
]
Algorithm: [MD5withRSA]
Signature:
0000: 33 8F 2F 33 59 89 15 46 C3 7A DF 91 3E 6D F6 59 3./3Y..F.z..>m.Y
0010: BC A7 EC 2B D8 9B 70 E1 E6 06 1A C6 DB 3D A6 E6 ...+..p......=..
0020: 7E D6 B8 58 61 86 C5 B0 15 E7 FF 98 61 D5 DD 1C ...Xa.......a...
0030: F6 63 A3 29 1C C8 CB 4A F0 D6 70 92 BD 0C E6 CA .c.)...J..p.....
]
--------------------------------------
Do you trust the certificate chain? [yes/no] yes
Emcli setup successful
--导入插件,这里/home/oracle/12.1.0.1.2_pythian.mysql.prod_2000_0.opar是OMS服务器所在的路径名称
[root@test oem]# ./emcli import_update -omslocal -file=/home/oracle/12.1.0.1.2_pythian.mysql.prod_2000_0.opar
Processing update: Plug-in - MySQL plug-in by Alex Gorbachev, The Pythian Group
Successfully uploaded the update to Enterprise Manager. Use the Self Update Console to manage this update.
--在MySQL服务器安装em agent过程省略可以参考下面链接,你可能需要安装一些必要的rpm包
OEM 12cR3使用agentDeploy方式安装agent
[mysql@test bin]$ ./emctl status agent
Oracle Enterprise Manager Cloud Control 12c Release 3
Copyright (c) 1996, 2013 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Agent Version : 12.1.0.3.0
OMS Version : 12.1.0.3.0
Protocol Version : 12.1.0.1.0
Agent Home : /agent/agent_inst
Agent Binaries : /agent/core/12.1.0.3.0
Agent Process ID : 24406
Parent Process ID : 24364
Agent URL : https://test.localdomain:3872/emd/main/
Repository URL : https://omsdb.localdomain:4900/empbs/upload
Started at : 2014-02-20 14:15:15
Started by user : mysql
Last Reload : (none)
Last successful upload : 2014-02-20 15:16:34
Last attempted upload : 2014-02-20 15:16:34
Total Megabytes of XML files uploaded so far : 0.3
Number of XML files pending upload : 0
Size of XML files pending upload(MB) : 0
Available disk space on upload filesystem : 30.47%
Collection Status : Collections enabled
Heartbeat Status : Ok
Last attempted heartbeat to OMS : 2014-02-20 15:18:25
Last successful heartbeat to OMS : 2014-02-20 15:18:25
Next scheduled heartbeat to OMS : 2014-02-20 15:19:25
---------------------------------------------------------------
Agent is Running and Ready
--以下是安装配置和监控界面

The main role of MySQL in web applications is to store and manage data. 1.MySQL efficiently processes user information, product catalogs, transaction records and other data. 2. Through SQL query, developers can extract information from the database to generate dynamic content. 3.MySQL works based on the client-server model to ensure acceptable query speed.

The steps to build a MySQL database include: 1. Create a database and table, 2. Insert data, and 3. Conduct queries. First, use the CREATEDATABASE and CREATETABLE statements to create the database and table, then use the INSERTINTO statement to insert the data, and finally use the SELECT statement to query the data.

MySQL is suitable for beginners because it is easy to use and powerful. 1.MySQL is a relational database, and uses SQL for CRUD operations. 2. It is simple to install and requires the root user password to be configured. 3. Use INSERT, UPDATE, DELETE, and SELECT to perform data operations. 4. ORDERBY, WHERE and JOIN can be used for complex queries. 5. Debugging requires checking the syntax and use EXPLAIN to analyze the query. 6. Optimization suggestions include using indexes, choosing the right data type and good programming habits.

MySQL is suitable for beginners because: 1) easy to install and configure, 2) rich learning resources, 3) intuitive SQL syntax, 4) powerful tool support. Nevertheless, beginners need to overcome challenges such as database design, query optimization, security management, and data backup.

Yes,SQLisaprogramminglanguagespecializedfordatamanagement.1)It'sdeclarative,focusingonwhattoachieveratherthanhow.2)SQLisessentialforquerying,inserting,updating,anddeletingdatainrelationaldatabases.3)Whileuser-friendly,itrequiresoptimizationtoavoidper

ACID attributes include atomicity, consistency, isolation and durability, and are the cornerstone of database design. 1. Atomicity ensures that the transaction is either completely successful or completely failed. 2. Consistency ensures that the database remains consistent before and after a transaction. 3. Isolation ensures that transactions do not interfere with each other. 4. Persistence ensures that data is permanently saved after transaction submission.

MySQL is not only a database management system (DBMS) but also closely related to programming languages. 1) As a DBMS, MySQL is used to store, organize and retrieve data, and optimizing indexes can improve query performance. 2) Combining SQL with programming languages, embedded in Python, using ORM tools such as SQLAlchemy can simplify operations. 3) Performance optimization includes indexing, querying, caching, library and table division and transaction management.

MySQL uses SQL commands to manage data. 1. Basic commands include SELECT, INSERT, UPDATE and DELETE. 2. Advanced usage involves JOIN, subquery and aggregate functions. 3. Common errors include syntax, logic and performance issues. 4. Optimization tips include using indexes, avoiding SELECT* and using LIMIT.


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