how to extract data from oracle database using python?
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["Step 1: Install the cx_Oracle package. If you haven't already done so, install the cx_Oracle package. ... ", 'Step 2: Retrieve the connection information. Next, retrieve the connection information. ... ', 'Step 3: Connect Python to Oracle using cx_Oracle connect.']
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["Step 1: Install pyodbc. First, you'll need to install the pyodbc package which will be used to connect Python to SQL Server. ... ", 'Step 2: Retrieve the server name. ... ', 'Step 3: Obtain the database name. ... ', 'Step 4: Get the table name. ... ', 'Step 5: Connect Python to SQL Server.']
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['Step 2 - Click Databases in the top-menu.', 'Step 3 - Click the name of the database you want to import to.', 'Step 4 - Click Import.', 'Step 5 - Choose file and click Go. Click Choose file and select the database file you want to import. This is an . ... ', "Step 6 - You're done. The import is now done."]
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['Create the input program. ... ', 'Open the saved db. ... ', 'Get the input and send it to the text file. ... ', 'Print to the db.txt file in an indicated format. ... ', 'Open the shell and get into the c:\\directory by typing "cd c:" at the prompt.', 'Command prompt to call input.pl program. ... ', 'Inputting names and numbers in program. ... ', 'Names in the database.']
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['Download the required packages. In order to run SQLPlus, we need two different packages. ... ', 'Extract the files. After you download the zip files, extract them to a special directory, for example: /opt/oracle/. ... ', 'Configure SQLPlus. ... ', 'Connect to the Oracle Database using SQLPlus.']
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['Oracle INNER JOIN (or sometimes called simple join)', 'Oracle LEFT OUTER JOIN (or sometimes called LEFT JOIN)', 'Oracle RIGHT OUTER JOIN (or sometimes called RIGHT JOIN)', 'Oracle FULL OUTER JOIN (or sometimes called FULL JOIN)']
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['Step 1: Choose the CSV file you want to convert to SQL. \u200b', 'Step 2: Select CSV as your file type. \u200b', 'Step 3: Select whether the first row contains data or column names. \u200b', 'Step 4: Type in a name for your database table. \u200b', 'Step 5: Convert your file! \u200b']
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Oracle dump file (. DMP) is a binary storage used by Oracle users and database administrators to backup data. ... The problem is that Oracle dump file is a "black box" and there is no way to extract data from such files except the standard IMP tool. However, this utility can import data to Oracle server only.
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2 Answers. Oracle SQL Developer (a free program from Oracle) has a tool that will export MS access databases for loading into Oracle. Once you have it installed it's Tools -> Migration -> Microsoft Access Exporter.
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['Select the database connection on which you want to import data. ... ', 'Select Tools | Import Export Data | Import Wizard.', 'Use the Import Wizard to specify a data source and import options. ... ', 'Click Finish to import the data and close the wizard.']
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['On the tool bar, select Tools>Database copy.', 'Identify source and destination connections with the copy options you would like.', 'For object type, select table(s).', 'Specify the specific table(s) (e.g. table1).']
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2 Answers. please check your Oracle client is 32 or 64 bit version. you will get this error if you have Oracle client 32 bit version is installed, but Python, and modules are in 64 bit. so you may need to install 64 bit version of oracle client.
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['Step-1:- Download template from Oracle Enterprise Repository (OER)', 'Step-2:-Prepare Data conversion file & generate .csv & .zip files.', 'Step-3:-Upload the zip file to Oracle Cloud.', 'Step-4:-Login to Fusion Applications.', 'Step-5:-Submit the Load Interface File for Import process.']
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['Use utl_file. fopen to open the file.', 'Loop through it to put the contents into a CLOB variable.', 'Insert the content of the CLOB variable into a SYS. XMLTYPE column.', "Use 'XML' SQL to select values to insert into the final tables. For example:"]
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['Create the Source System. ... ', 'We need to fill the next fields: ... ', 'Once named the system we have to create the connection parameters: ... ', 'We check that the connection is correct.', 'We select the tables or views from which we want to extract the information.']
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['In Toad for Oracle, click on the menu Database > Schema Browser.', 'Then in the Tables tab, find your table containing BLOB data and click on it to select.', 'On the right side, click on the Data tab, and it will show you the existing data.']
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['SELECT statements to select the fields of data you want to extract.', 'WHERE clauses to filter data.', 'ORDER BY clauses to sort data.', 'GROUP BY clauses to group data together.', 'Using the HAVING clause the user can filter groups of data.']