Load multiple files into a table


 
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Old 06-08-2016
Load multiple files into a table

Hi,

I need to load data from two files to a single table.
My requirement is that I get two files in which a few column data are manadatory.
These files are identified based on the file name.
For example, I have two files ABCFile and BCDFile. ABCFile has mandatory data in column 3 and 4 whereas, BCDFile has mandatory data in 5th column.
So I have to validate whether these columns are null before inserting.
I know I can do it by creating 2 control files but is there any way to do it using one control file?
 
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MODULES-LOAD.D(5)                                                 modules-load.d                                                 MODULES-LOAD.D(5)

NAME
modules-load.d - Configure kernel modules to load at boot SYNOPSIS
/etc/modules-load.d/*.conf /run/modules-load.d/*.conf /usr/lib/modules-load.d/*.conf DESCRIPTION
systemd-modules-load.service(8) reads files from the above directories which contain kernel modules to load during boot in a static list. Each configuration file is named in the style of /etc/modules-load.d/program.conf. Note that it is usually a better idea to rely on the automatic module loading by PCI IDs, USB IDs, DMI IDs or similar triggers encoded in the kernel modules themselves instead of static configuration like this. In fact, most modern kernel modules are prepared for automatic loading already. CONFIGURATION FORMAT
The configuration files should simply contain a list of kernel module names to load, separated by newlines. Empty lines and lines whose first non-whitespace character is # or ; are ignored. CONFIGURATION DIRECTORIES AND PRECEDENCE
Configuration files are read from directories in /etc/, /run/, and /lib/, in order of precedence. Each configuration file in these configuration directories shall be named in the style of filename.conf. Files in /etc/ override files with the same name in /run/ and /lib/. Files in /run/ override files with the same name in /lib/. Packages should install their configuration files in /lib/. Files in /etc/ are reserved for the local administrator, who may use this logic to override the configuration files installed by vendor packages. All configuration files are sorted by their filename in lexicographic order, regardless of which of the directories they reside in. If multiple files specify the same option, the entry in the file with the lexicographically latest name will take precedence. It is recommended to prefix all filenames with a two-digit number and a dash, to simplify the ordering of the files. If the administrator wants to disable a configuration file supplied by the vendor, the recommended way is to place a symlink to /dev/null in the configuration directory in /etc/, with the same filename as the vendor configuration file. If the vendor configuration file is included in the initrd image, the image has to be regenerated. EXAMPLE
Example 1. /etc/modules-load.d/virtio-net.conf example: # Load virtio-net.ko at boot virtio-net SEE ALSO
systemd(1), systemd-modules-load.service(8), systemd-delta(1), modprobe(8) systemd 237 MODULES-LOAD.D(5)

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