No other lazarus or delphi, or custom, copy command has been able to open the file for read access. This is clunky at best as it flashes open the command window for a second or two while doing the copy. doscmd1 does backup of db file to standard directory (./backup/xxx.db)ĭoscmd1 := '/c copy /B ' + filesource + ' ' + filedest I finally ended up calling a dos command to copy the damn file:
anybody out there can test this if you have an sqlite3 program running, just try to copy the database file while it's running. Some of the copy variants required PChar conversion vice string, and it made no difference. I tried every available file open mode for sharing, denying access etc without success. Suffice it to say, that I tried every copyfile, filecopy, and other variant of copy function within delphi and lazarus including some posted 'custom' stream versions etc, and none of them could open the database file for read access to copy it. I used about 15 different filecopy versions found in three days worth of searching on the net.
COPY DB SQLITE WINDOWS
My question to the group, was aimed at finding an answer as to why my running program cannot access this file for copy (read access) and yet other programs like a dos window command, or windows explorer, can access and copy the file without problems (while my program is still running.) I don't have specific examples of the 'copy code' that I tried and which didn't work.
COPY DB SQLITE CODE
When this code executes an error code is returned telling me that the database file that was accessed, could not be opened for read. I believe it is probably opened for exclusive use, not allowing even read share. This is the same database file that my program is currently using to access data. In this tutorial, you have learned various ways to export data in the SQLite database to a CSV file.Eny, I am using code to create a backup copy of the sqlite3 database file on my hard drive. Then, choose a single table to export the data.Īfter that, (1) choose the CSV as the export format, (2) specify the CSV file name, (3) check the column names in the first row, (4) choose comma (,) as the column separator, (5) treat the NULL value as empty string, (6) click Finish button to complete exporting.įinally, check the customer.csv file, you will see the following content: Next, choose the database and table that you want to export data check the Export table data.
COPY DB SQLITE HOW TO
The following steps show you how to export data from a table to a CSV file.įirst, click the Tools > Export menu item The SQLiteStudio provides the export function that allows you to export data in a table or the result of a query to a CSV file. >sqlite3 -header -csv c:/sqlite/chinook.db data.csv Export SQLite database to a CSV file using SQliteStudio If you have a file named query.sql that contains the script to query data, you can execute the statements in the file and export data to a CSV file. >sqlite3 -header -csv c:/sqlite/chinook.db " select * from tracks " > tracks.csv Code language: SQL (Structured Query Language) ( sql ) If you check the data.csv file, you will see the following output.īesides using the dot-commands, you can use the options of the sqlite3 tool to export data from the SQLite database to a CSV file.įor example, the following command exports the data from the tracks table to a CSV file named tracks.csv. The following commands select data from the customers table and export it to the data.csv file. Issue the query to select data from the table to which you want to export.Set the output mode to CSV to instruct the sqlite3 tool to issue the result in the CSV mode.Turn on the header of the result set using the.To export data from the SQLite database to a CSV file, you use these steps: By using the sqlite3 tool, you can use the SQL statements and dot-commands to interact with the SQLite database. SQLite project provides you with a command-line program called sqlite3 or sqlite3.exe on Windows. Export SQLite Database to a CSV file using sqlite3 tool There are several ways to dump data from an SQLite database to a CSV file. Summary: in this tutorial, you will learn how to export SQLite database to a CSV file.
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