Because both of them are used, informatica is easy to manage in the future, especially for data correction. when data is supplemented in the later stage, the data stream is clear at a glance.SQL is efficient, but it is inconvenient to maintain it later. It takes a long time to find a data stream ..ETL tools are easier to manage and maintain, especially complicated cleaning processes.
data from the total data source into the database tables in each subsidiary, at this time the subsidiaries in the development of the report only need to connect their own database tables, so that the control of data rights, but also better the data of the subsidiaries in the various subsidiaries of the database table.three,Project Construction Plan:1Kettle Introduction to the tools usedKettle is a foreign open source
1, Ali Open source software: datax
Datax is a heterogeneous data source offline Synchronization tool that is dedicated to achieving stable and efficient data synchronization between heterogeneous data sources including relational databases (MySQL, Oracle, etc.), HDFS, Hive, ODPS, HBase, FTP, and more. (Excerpt from Wikipedia)
2. Apache Open source software: Sqoop
Sqoop (pronunciation: skup) is an open source tool that is used primarily in Hadoop (Hive) and traditional databases (MySQL, PostgreSQ
These years, almost all work with ETL, have been exposed to a variety of ETL tools. These tools are now organized to share with you.
An ETL Tool
Foreign
1. DataStage
Reviews: The most professional ETL
. Hold down the SHIFT key and drag the "table input" icon from "Convert 1" to "table output" to establish a connection. Notice that the arrow is in the opposite direction. 3. Double-click "Table Input" to configure the relevant content Figure 4: Configuring the relevant content in table input Figure 5: Test result diagram Figure 6: Configure the SQL statement to query the specified table. And you can see the records in the table by "preview" Note: You can see the records in the table, which
file Contents① Select file type② to set separators between fieldsThe ③ field has enclosing characters, some words need to fill in with the enclosing character, such as the default is double quotation marks; No words can be removedWhether the ④ contains a file header, as contained, the first few lines are⑤ file format, Unix or Windows?⑥ sets the file character set. Otherwise, there will be garbled occurrences.7. Set the fields to be read. According to the order of the text, from left to right, i
The kettle of ETL tools extracts data from one database into another database:
1. Open the ETL folder, double-click Spoon.bat start Kettle
2. Resource pool selection, Connaught no choice to cancel
3. Select Close
4. Create a new transformation
5. Configure the required database
6. The data table that needs to be extracted, with the table input
considerServices sets the preferred instance, the standby instance. Once a single point of failure occurs for the preferred instance, services automatically failover to the standby instance.If the current RAC database is defined with 3 nodes Srv1,srv2,srv3There are two different service sales.2gotrade.com and settlement.2gotrade.com running in the current databaseThe Sales department establishes the connection through the Sales.2gotrade.com service name, and the Settlement department establishe
First, the purposeMerge tables on different servers onto another server. For example, merge table B on server 1 on table A and server 2 to table C on server 3Requirements: Table A needs to be cropped (removing unnecessary fields), table B needs to add some fieldsIi. Methods of Use(1) Create a new Table C (field that conforms to the actual system design) in the database on server 3(2) Create a new table input, connect to server 1, select the table you want to use by getting the SQL statement, or
Tags: sha feature ima Oracle ROCE-O technology share OSS settingsThe value mapping here is a bit like the Oracle's CAS when feature, such as a field a value of 1, but I now want to make the a=1 of a male, that is, 1 mapping into a male, this is the value mapping, then how to operate, in fact, Kettle has a "value mapping" component The following is a brief introduction to how to use;First enter the value mapping in the search box to the left of the program, find the value mapping component, and t
ETL is responsible for the distribution, heterogeneous data sources such as relational data, flat data files, such as the extraction of the temporary middle tier after the cleaning, transformation, integration, and finally loaded into the data warehouse or data mart, to become the basis of online analytical processing, data mining.
If the frequency of data conversion or not high requirements can be manually implemented
Examples of various Binary Conversion tools implemented by PHP, examples of mutual conversion
This article describes various Binary Conversion tools implemented by PHP. We will share this with you for your reference. The details are as follows:
Running result:
PS: here we recommend several computing and conversion
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In this list,. We've gathered amazing
prototypes in minutes.Fluid UI has some other features:1, to provide easy-to-understand operating procedures and a very intuitive user experience, users can arbitrarily drag any component and control their size;2. Prototype creation with FLUIDUI can be saved to the cloud and updated in real time, without any programming to directly generate the app prototype that can run on the smartphone.3. The Fluid UI offers both paid and free two versions, but the free version limits you can only create 10
through the script and generate the Lvlv.cpp file again, and see if the contents of the file are determined by the expected script execution to verify the correctness of the script execution.Click the Run button in the upper-left corner of the QTP to set the test result save path and then play back the modified script. This test path is set as follows:Replay the modified script successfully, open the newly generated lvlv.cpp, and its contents as modified by the script, the correct addition to t
tools fail to detect firewall-protected hosts.Method 1: hping2 IPMethod 2: hping2-A/f/s-p port IP address or domain nameNote: "-a" is used to set the ACK flag, "-F" is used to set the FIN flag, and "-s" is used to set the SYN flag, "-P" specifies the port to be tested.5. genlistFunction: Quickly scans active hosts.Usage: genlist-s 192.168.0 .\*6. nbtscanUsage: nbtscan 192.168.0.1-2547. xprobe2Function: the master node detects the target operating sys
writing JavaScript from jquery!Spinkit.The Spinkit is a range of easy-to-customize loading indicators to meet everyday needs.Buttons.Just as it says in its title, nothing else is a series of buttons.On/off FlipswitchA great gadget for customizing buttons in different states and exporting CSS directly. There is also a function to switch the main operating system style.hint.css.No JavaScript CSS libraries are required to prompt for tags.colors.css.Colors.css is for those who hate hex code. It off
Tags: problem BSP phi Common Oracle Pen comparison nbsp + +Examples of common tools, methods for diagnosing Oracle performance problemsAnswer: 1) A simple point can be used toad and dbartisan such tools. 2) Pure performance monitoring, more excellent spolight and EMC I3, both of these software are more expensive. 3) Some network management systems are also good,
This article mainly introduces the details of common tool classes for small programs and related information about instances. For more information, see
Explanation of common mini-program tools
Preface:
Many tool classes util. js will be used as a small program, which are recorded here for normal use (Ps: It is recommended to view through the directory)
-Get date (format)
function formatTime(date) { var year = date.getFullYear() var month = date.get
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