Ah, I wish it was as easy as typing that three-word sentence. This way, you are now checking a file for each individual query. Thanks a lot in advance. Append only. Create the ufsReadfileAsString procedure and try something like… 1. Reading from PHP file or Database (which is faster?) While this is much faster than even locally attached Flash SSD, it's not nearly as fast as DRAM or byte-oriented data access on PMEM. a) Performing all the operations/transformations over a flat file as a source (location is server directory on Windows machine) b) Or first dumping the data into a oracle table and then doing the subsequent operations Pl. Most databases are good at handling concurrent access, all you need to make sure is that you open a connection when you need to and close it afterwards. Term: Index Definition: Data structure that improves the speed of data retrieval. Reading the database is much faster: ... PyTables is a Python binding for the HDF5 database/file standard. But are direct reads really faster? Tune your storage. It depends, though, on if and when you cache the .ini file. job: lots of image links to be displayed on a page. Its best to access your files using a server-side script for security reasons, I think. In this diagram, the entire block is being read from PMEM into DRAM, which is functionally the same as Flash SSD or spinning disk from a READ perspective. Select dbo. But sometimes you have big databases, large files, and you have to look at them all the time while the program is executing. If your objective is wall time, then that is what we should measure. I need to read content of large files up to 50 mb and these are ai files or can be of nay other type , when using openrowset , it reads the file but truncates it in middle. So, that's what I did. You should use Primary Key for searching the data. I'd imagine that it would take considerably longer than that to locate a file on the disk, read it, and then search it. The best way to confirm this is to benchmark both. Currently i am reading data which is stored in .file in the format (abc|def|ghi|jkl|....|)using array and display the required data from the array as report data. We can fetch data into D3 by different methods, we can directly pull the data from CSV files by using d3.csv() function or by calling AJAX function and passing the data object to the D3 JS charts. This is all very well, but how about something that reads a file in one gulp into a varchar or XML datatype? Retrieves records FASTER. The change could be much dynamic and it happens frequently. Here is the link to download engine. Reading a database is much faster than reading text files or xml files, especially if you have a large number of records. On average, my database queries take about 0.005 seconds. sonali - El Forum - 03-10-2009 [eluser]drewbee[/eluser] Keep it in the database, and use query cache. Reading and writing are done directly from the database files on the disk ; Cross-platform database file format. View is faster then select from table. It all depends on the volume of the data. (Keep track of record's location on disk). In which you should not need to search such data with like operator. Data is being appended to the .file every 20-39 mins. This means that it will be faster to retrieve all of them together, as they are stored in the same place and you do not have to perform a join. You may have to convert the files to blob in order to store them in the database. as well as both src and tgt flat file load on local server example trying to load both on local server directory instead off ftp will also bring result faster. What if you have a file which contains 10000000 rows, and you have some validation after reading each single line, and need to parse using certain programming logic. In this article, I show how you can save objects in a database and read back from the database. For the volumes you mention, a database will probably be faster since you can index the tables. Best of MyISAM and InnoDB (Please Read This One First) Reading data from a file without starting from the beginning. You might not want the user to access the database directly. Often, the comments will be saved together with the post itself. Archive tables and indexes that you’re no longer using. It is specifically designed and developed to enhance the performance of I/O operations and make the best possible use of the available hardware. Thanks for your reply. This means a file written on one machine can be copied to and used on a different machine with a different architecture; There are many more reasons for its popularity. If you use these files with the common file handling functions, you soon go mad because the program is running very s-l-o-w-l-y. Make the drives faster. CI serializes the result object and stores it in a file, so that exact same thing is pulled back. About the caching of position and length - I tend to disagree. Your help is highly appreciated. Although now I am trying to read two large csv files in the same time, compare data and, if a match is found > write data to another new file. Hello Which one process faster and takes low cpu load to complete the job. Microsoft has provided 'Microsoft Access database engine' to support reading of office 2007 files without actually installing the software. 35% faster reading and writing compared to the File System; No intermediary server required. Some odd answers so far. JSON is a way of representing data as somewhat structured text. How can you make a MyISAM table's .MYD faster to read? Reading a file into a SQL Server data type. An object is a memory stream, which is hard to write using the normal methods. You use only a very small config file and you don't need it faster. loading data directly from DB Tables and TGT desgined without key or constraint..perform bulk load u will get result faster. What a great question, thank you for asking. using whatever typical object your language uses to query a database such as JDBC for Java)? This code shows how to save objects in a database. Creating a REST API and having your web app use the REST API to do all interactions with your database OR querying your database directly (i.e. Depending on your hardware and operating system, you should see that reads from the test1.db database file are about 35% faster than reads from individual files in the test1.dir or test1.tree folders. 2) enforce no-duplication of key field There are a lot of situations where the file is locked for reading, and in doing so the mutex problem is not an issue. When read, a MyISAM table's indexes can be read once from the .MYI file and loaded in the MyISAM Key Cache (as sized by key_buffer_size). 4. I'm seeing two line of thoughts First says oracle is faster coz of its database capabilities Hi Eugen, I tried reading a file with Scanner and it works like a charm. and. let me know from your experience. There are many reasons behind that, one of them is indexing. Make it smaller. Yes we cannot read xlsx file without installing office 2007. You should change your DataBase design accordingly. Read it from somewhere else. Oracle database direct path reads are supposed to be faster than db file scattered reads. Term: Major Functions of Index Definition: 1) Enable the direct access to a record. It does a very good job of speeding up analytics and generating output faster. 1st way) write all the links in a text file per line .. and loop through that text file. It's more secure than saving in a file system. Is there any way to read the file fully and then insert it into database , I have both varchar(max) and varbinary(max) columns in my table. Cheers, 3. For instance, say you are reading a blog post together with its comments in a document-oriented database. There are many occasions when you want to save data in form of objects. Use Enterprise Edition’s data compression to shrink the size of your database on disk. I want to read date from the txt file and save the records into the sql database table. ufsReadfileAsString ('MyPath', 'MyFileName') Writing out a file. How do I go about doing that? Obviously that large of a file can not possibly be read into memory all at once, so that is not an option. But there is solution for this. Direct data import won’t work at that time. Note: Please Execute tst.sql in MS-SQL. I want to use ASP.Net Web application, C#. For more information, see Working with QVD files. Perhaps you need to extract data from HTML, XHTML or some other format. 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