Oracle Par File Comments
Comment On Table Oracle
What Is A Par File
Don’t open the file, and collapse the script output panel. This will allow the script to run faster, or at least allow SQLDev to handle the script execution as fast as possible, instead of trying to advance the script in the editor and page through the results in the open display panel. Within a parameter file, a comma is implicit at every newline character so you do not have to enter commas at the end of each line. If you have a long line that wraps, such as a long table name, enter the backslash continuation character ( ) at the end of the current line to continue onto the next line.
Yes, by using # at the start of a line. Actually everything after the # sign will be ignored, so this can be used after a parameter as well. This is a bit hidden in the manual: Table names specified on the command line cannot include a pound sign (#), unless the table name is enclosed in quotation marks. Similarly, in the parameter file, if a table name includes a pound sign (#), then the Export utility interprets the rest of the line as a comment, unless the table name is enclosed in quotation marks Quoted from.
PARFILE=[ directory_path] file_name A parameter file allows you to specify Data Pump parameters within a file, and then that file can be specified on the command line instead of entering all the individual commands. This can be useful if you use the same parameter combination many times.
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The use of parameter files is also highly recommended if you are using parameters whose values require the use of quotation marks. A directory object is not specified for the parameter file because unlike dump files, log files, and SQL files which are created and written by the server, the parameter file is opened and read by the expdp client. The default location of the parameter file is the user's current directory.
Within a parameter file, a comma is implicit at every newline character so you do not have to enter commas at the end of each line. If you have a long line that wraps, such as a long table name, enter the backslash continuation character ( ) at the end of the current line to continue onto the next line.