data guard oracle 11g step by step

]; /* discriminant is not an. xls file, to determine whether the Excel file * *if (Strtolower ($file _type)!= "xls"){$this->error (' Not Excel file, re-upload ');} /* Set Upload path * *$savePath = Site_path. '/public/upfile/excel/'; * * To name the uploaded file in time.$str = Date (' Ymdhis ');$file _name = $str. "." . $file _type; /* Upload Success * *if (! Copy ($tmp _file, $savePath. $file _name)){$this->error (' upload failed ');} /* * The upload of Excel

Import and export of Excel data using Phpexcel (full step)Many articles have mentioned about the use of phpexcel to achieve the import and export of Excel data, most of the articles are similar, or is reproduced, there will be some problems, the following is my study of the use of Phpexcel to summarize the use of the method, the next straight into the topic.First

The TFS System integrates a suite of BI systems, implemented based on the SQL Server Analysis service. Through these years of deep use, can feel how this data warehouse model is excellent, and Microsoft's official Data Warehouse sample AdventureWorksDW a ratio. The system itself from the basic data ETL to the data ware

The TFS System integrates a suite of BI systems, implemented based on the SQL Server Analysis service. Through these years of deep use, can feel how this data warehouse model is excellent, and Microsoft's official Data Warehouse sample AdventureWorksDW a ratio. The system itself from the basic data ETL to the data ware

follows:where each map task is executed, regardless of the logic executed in the map method, the output is eventually written to disk. If there is no reduce phase, the output is directly to HDFs. If there is a reduce job, the output of each map method is cached in memory in the write disk front. Each map task has a ring-shaped memory buffer, which stores the output of the map, the default 100m, and each time the buffer is nearly full, a separate thread holds the buffer's

vsphere or other products, you need to register users or log in to get a download list. The trial product is generally available for a 60-day trial period. This is fully enough for the POC. The following table is the overall network planning. The IP address and Network properties in the form are examples of my experimental environment, only for reference. It should be noted here that 20 reserved IP addresses are for reference only. As with physical deployments, 20 reserved IP addresses ma

Overview The release of Silverlight 2 Beta 1 brings us a lot of surprises from Runtime and Tools, such as supporting the framework languages Visual Basic, Visual C #, IronRuby, Ironpython, A series of new features such as JSON, Web Service, WCF, and Sockets support. The one-step learning Silverlight 2 series article takes you to Silverlight 2 development quickly. This article describes how to use WebRequest to submit and obtain

servers7.at+cipsend=201Send the data, the total data length is 201, this 201 is required to calculate the total data to be sent, cannot write wrong8.Post/devices/79146/datapoints http/1.1api-key:pmwltnkdbsrekfvg7gscluxdxa4ahost: api.heclouds.comconnection:closecontent-length:59{"Datastreams": [{"id": "TEMP", "datapoints": [{"Value": 50}]} ]}Send JSON

new empty database testusing the command: mysql -u root #因为在上一步已经退出了MySQL，现在需要重新登录 CREATE DATABASE test; #新建一个名为test的数据库 Again Ctrl + Z exit MySQL, then enter the statement to restore, the bak.sql just backed up to the test database: test We enter a command to view the table of the Tset database to verify the success of the recovery: mysql -u root #因为在上一步已经退出了MySQL，现在需要重新登录 use test #连接数据库test SHOW TABLES; #查看test数据库的表 You can see 4 tables and a

First, the generated table with the database query tool, the table name needs to add double quotation marks to be able to query otherwise prompt table or view does not exist　　The database table creation statement generated by EF is by default double-quoted and strictly-sized, specifying the mapped table and column names manually in the defined mode, not specifying the column name without specifying the table name, or ORA-00955: The name has been used incorrectly by an existing object[Table ("TES

2017-02-11 structure reliable data transmission protocol, Sliding window protocol, bit alternation protocol, fallback N-Step protocol, and select retransmission protocol 1: Redundant data duplicate (packet), 2: Inverted count timer (countdown timer), 3: Bit alternating protocol (Alternating-bit Protocol), 4: Fallback N Step