Still, I needed mysql to also handle these calls correctly. Somehow, mysql does not handle multiple resultsets correctly, or is at least missing some functionality related to handling multiple results.
One way to reduce the dangers of queries like the dlete command above that dletes the whole DB is to use limits wherever possible. If you have a routine that is only deisnged to delete 1 record, add 'LIMIT 1' to the end of the command. This way you'll only lose one record if someone does something stupid.
You should also check all input, especially if it is sent using GET. Just don't trust ANY data that is sent to your script. HTH Allen. Here is simple but effective function that can run batch SQL commands. Get certified by completing a course today! If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:. Report Error. Your message has been sent to W3Schools. W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning.
The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Visit chat. Linked Related Hot Network Questions. Question feed. The second line is to specify the connection information SQL Server name, database name and Authentication method :.
The try structure is used to handle exceptions. The line with "while reader. Read " is used to read row by row the results of the SQL Query. This is used to handle errors. Show will show the error and Dts. TaskResult will show a failure red color if it fails. This code is used when an exception error is generate by the package.
If the presentation is important, Reporting Services is the best option. Press Preview and in the Save icon, select CSV comma delimited to save the file with the csv extension:. It is a very fast option. Use it if you have millions of rows and you need to use the command line or if it is easy to call the command line from your program or script.
The following example uses bcp to export the query results to a file named bcp. There are many other ways to export results. However, these options will inspire you to use other ones.
SSMS destination to file option - This is the easiest option. Used if you do not need to automate anything and you just one a txt report immediately.
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