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Error using MySQL Workbench – unhandled exception list index out of range.

Posted by Sriram Sanka on December 10, 2021


While Loading the data using MySQL Workbench, you may hit the error unhandled exception list index out of range

There are no clues in the workbench log files, in such cases you can load the Data Using MySQL LOAD DATA Statement . Which will load the data very fast and without errors.

mysql> LOAD DATA LOCAL INFILE "C:/\Patient.csv"
-> INTO TABLE xxhc_patient
-> FIELDS TERMINATED BY ','
-> ENCLOSED BY '"'
-> LINES TERMINATED BY '\n'
-> IGNORE 1 ROWS;
Query OK, 58 rows affected, 232 warnings (0.04 sec)
Records: 58 Deleted: 0 Skipped: 0 Warnings: 232

In case if you get the following errors , run the below commands and re-execute load data statements.

ERROR: Loading local data is disabled - this must be enabled on both the client and server sides

ERROR 2068 (HY000): LOAD DATA LOCAL INFILE file request rejected due to restrictions on access.

mysql> SET GLOBAL local_infile=1;

mysql --local_infile=1 -u<username> -p<Password> DB_NAME

Posted in MySql | Leave a Comment »

Install MySQL 8 Community Server (mysql-community-server) on Azure VM(IAAS) Linux 8 CentOS

Posted by Sriram Sanka on June 11, 2021


Download and Add MySQL Yum Repository.

wget https://repo.mysql.com//mysql80-community-release-el8-1.noarch.rpm

Install the downloaded release package.

yum localinstall mysql80-community-release-el8-1.noarch.rpm

You can check that the MySQL Yum repository has been successfully added by the following command (If Yum Is not available, you can use dnf , instead.)

yum repolist enabled | grep "mysql.-community."

Installing MySQL

Linux 8 includes a MySQL module that is enabled by default., Disable the Default Module to avoid following Error.

yum -y install mysql-community-server

yum module disable mysql

yum install mysql-community-server

Start and Enable the Server

Get the temp Password before Secure Configurations.

Continue with the Options and change the Password.

Posted in Installation, Linux, MySql | Tagged: , , | Leave a Comment »

How to Install Python with Anaconda

Posted by Sriram Sanka on April 12, 2020


Refer to the document for help with installing Anaconda successfully Installing+Python.1

You can Download the individual version from https://www.anaconda.com/products/individual

I prefer Spider for the Sample Code snippets.

Sample Code for Sudoku Submitted at https://www.geeksforgeeks.org/sudoku-backtracking-7/

Input :

Output:

# N is the size of the 2D matrix   N*N
N = 9
 
# A utility function to print grid
def printing(arr):
    for i in range(N):
        for j in range(N):
            print(arr[i][j], end = " ")
        print()
 
# Checks whether it will be
# legal to assign num to the
# given row, col
def isSafe(grid, row, col, num):
   
    # Check if we find the same num
    # in the similar row , we
    # return false
    for x in range(9):
        if grid[row][x] == num:
            return False
 
    # Check if we find the same num in
    # the similar column , we
    # return false
    for x in range(9):
        if grid[x][col] == num:
            return False
 
    # Check if we find the same num in
    # the particular 3*3 matrix,
    # we return false
    startRow = row - row % 3
    startCol = col - col % 3
    for i in range(3):
        for j in range(3):
            if grid[i + startRow][j + startCol] == num:
                return False
    return True
 
# Takes a partially filled-in grid and attempts
# to assign values to all unassigned locations in
# such a way to meet the requirements for
# Sudoku solution (non-duplication across rows,
# columns, and boxes) */
def solveSuduko(grid, row, col):
   
    # Check if we have reached the 8th
    # row and 9th column (0
    # indexed matrix) , we are
    # returning true to avoid
    # further backtracking
    if (row == N - 1 and col == N):
        return True
       
    # Check if column value  becomes 9 ,
    # we move to next row and
    # column start from 0
    if col == N:
        row += 1
        col = 0
 
    # Check if the current position of
    # the grid already contains
    # value >0, we iterate for next column
    if grid[row][col] > 0:
        return solveSuduko(grid, row, col + 1)
    for num in range(1, N + 1, 1):
       
        # Check if it is safe to place
        # the num (1-9)  in the
        # given row ,col  ->we
        # move to next column
        if isSafe(grid, row, col, num):
           
            # Assigning the num in
            # the current (row,col)
            # position of the grid
            # and assuming our assined
            # num in the position
            # is correct
            grid[row][col] = num
 
            # Checking for next possibility with next
            # column
            if solveSuduko(grid, row, col + 1):
                return True
 
        # Removing the assigned num ,
        # since our assumption
        # was wrong , and we go for
        # next assumption with
        # diff num value
        grid[row][col] = 0
    return False
 
# Driver Code
 
# 0 means unassigned cells
grid = [[3, 0, 6, 5, 0, 8, 4, 0, 0],
        [5, 2, 0, 0, 0, 0, 0, 0, 0],
        [0, 8, 7, 0, 0, 0, 0, 3, 1],
        [0, 0, 3, 0, 1, 0, 0, 8, 0],
        [9, 0, 0, 8, 6, 3, 0, 0, 5],
        [0, 5, 0, 0, 9, 0, 6, 0, 0],
        [1, 3, 0, 0, 0, 0, 2, 5, 0],
        [0, 0, 0, 0, 0, 0, 0, 7, 4],
        [0, 0, 5, 2, 0, 6, 3, 0, 0]]
 
if (solveSuduko(grid, 0, 0)):
    printing(grid)
else:
    print("no solution  exists ")
 
    # This code is contributed by sudhanshgupta2019a

Posted in Anaconda, Books, Installation, Python | Tagged: , | Leave a Comment »

Quick Steps to Install Oracle 19c in Windows

Posted by Sriram Sanka on June 14, 2019


 

Step 1 : Download Oracle 19c DB software for Windows using https://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html

Step 2 : Unzip using 7-Zip to your Destination folder.

Step 3 : Navigate to the Extracted Home Folder and Click on Setup.Exe.   

 

These 3 Simple Steps will launch “OUI” for Installing 19c , go-ahead and  proceed with the Interactive ” Next ” Options.

Happy Reading !

Posted in Installation, Oracle Administration, Oracle Server Administration, Windows | Leave a Comment »

How to Add Swap Memory using a file

Posted by Sriram Sanka on December 22, 2018


 

Swap space in Linux is used when the amount of physical memory (RAM) is full. If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space.

Swap space can be a dedicated swap partition (recommended), a swap file, or a combination of swap partitions and swap files.

We can Create Swap file and make use of it as described below .

Step 1: Create a file with required size

To create the file we need to use dd command as root user .

 

I am adding 64G of Swap to my server so the count is 67108864 (1024 * 1024 * 64) 

dd if=/dev/zero of=/u03/extra_swap bs=1024 count=67108864

 

Step 2: Change the file Permission using

chmod 0600 /u03/extra_swap

Step 3 : Set Up linux Swap Area.

[root@idc ~]# mkswap /u03/extra_swap


Step 4 :Execute the Following To enable the swap file immediately, You can Check the Added swap using free -g Command .

swapon /u03/extra_swap


Step 5: Add an Entry in /etc/fstab to Make this Swap file Enabled at boot Time

/u03/extra_swap swap swap defaults 0 0

We can use swapon or /proc/swap to Get the Swap info.




 

 

 

Posted in Linux | Tagged: , , , | Leave a Comment »

HOW-TOHow to Fix VirtualBox “UUID already exists” Errors

Posted by Sriram Sanka on December 15, 2018


There are several ways to fix UUID Issues, One of the methods is to Clone the hard Disk Attached using the clonevdi

When you are trying to Add a VM to your VBox, If it’s failed with Below Error, you can use clonevdi to clone the Hard disk using

VBoxManage clonevdi <Source> <Target> and reattach the Disk to the machine.

 

 

Posted in Oracle VM | Leave a Comment »

Oracle VM Virtual Appliance for Oracle E-Business Suite 12.2.6 – Download and Create Staging Appliance

Posted by Sriram Sanka on December 15, 2018


This Post is about How to Create Stage Area To Deploy Oracle VM Virtual Appliance for Oracle E-Business Suite 12.2.6

Step 1:

Download the Oracle E-Business Suite Appliance from Oracle Software Delivery Cloud, Which Contains Below ZIP Files.

V861124-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (1 of 10) (Part 1 of 2)     Linux x86-64
V861124-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (1 of 10) (Part 2 of 2)     Linux x86-64
V861125-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (2 of 10) (Part 1 of 2)     Linux x86-64
V861125-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (2 of 10) (Part 2 of 2)     Linux x86-64
V861126-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (3 of 10) (Part 1 of 2)     Linux x86-64
V861126-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (3 of 10) (Part 2 of 2)     Linux x86-64
V861127-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (4 of 10) (Part 1 of 2)     Linux x86-64
V861127-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (4 of 10) (Part 2 of 2)     Linux x86-64
V861128-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (5 of 10) (Part 1 of 2)     Linux x86-64
V861128-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (5 of 10) (Part 2 of 2)     Linux x86-64
V861129-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (6 of 10) (Part 1 of 2)     Linux x86-64
V861129-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (6 of 10) (Part 2 of 2)     Linux x86-64
V861130-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (7 of 10) (Part 1 of 2)     Linux x86-64
V861130-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (7 of 10) (Part 2 of 2)     Linux x86-64
V861131-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (8 of 10) (Part 1 of 2)     Linux x86-64
V861131-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (8 of 10) (Part 2 of 2)     Linux x86-64
V861132-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (9 of 10) (Part 1 of 2)     Linux x86-64
V861132-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (9 of 10) (Part 2 of 2)     Linux x86-64
V861133-01      Oracle E-Business Suite Release 12.2.6 Single Node Vision Install X86 (64 bit) - (10 of 10) (Part 1 of 1)     Linux x86-64

Step 2:

Download assembly.sh (UNIX) or assemble_OSX.sh(for Mac) from Oracle Support Doc ID 2254565.1  Or  You can Use UNZIP Tools like 7ZIP.exe.  Generate Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.00 to Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.18 

Step 3:

UnZip All the OVA part Files to Make it as a Single OVA file.  i.e. Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova

 

Unix/Linux :

cat Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.00 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.01 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.02 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.03 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.04 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.05 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.06 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.07 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.08 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.09 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.10 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.11 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.12 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.13 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.14 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.15 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.16 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.17 \

Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova.18 >  Oracle-E-Business-Suite-12.2.6_VISION_INSTALL.ova

For Windows, we can use Type Instead of “cat”

Step 4:

Import Appliance as below.

 

 

Posted in Oracle VM | 1 Comment »

Missing braces on \o{} at clonedb.pl line 245, near “$lne’ , ‘$clonedbdir”

Posted by Sriram Sanka on February 23, 2018


There is a known issue with clonedb.pl script,  you might end-up with “Missing braces on \o{} at clonedb.pl line 245, near “$lne’ , ‘$clonedbdir”  Especially if you are using perl Vv5.10.1.

 Actual Line: print OUTFILE1 “dbms_dnfs.clonedb_renamefile(‘$lne’,’$clonedbdir/\ora_data_$cldbname$i.dbf’); \n”; 

You will get the Error when this Line of code  executed and “\o” is the root cause in Perl Execution. 

 

to avoid this, just define a new Variable $var, for Ex,  in my case,  $var = “ora_data”; and place it in the Script to get the Job Done. 

‘$clonedbdir/\ora_data_$cldbname$i.dbf’); to ‘$clonedbdir/$var\_$cldbname$i.dbf’);

Make changes in the Script as needed.

 

 

Thank you for giving your valuable time to read the above information. Happy Coding !. 😉

 

Posted in Oracle Administration | Leave a Comment »

ORA-00600: Internal error code, arguments: [kcratr_nab_less_than_odr]

Posted by Sriram Sanka on March 19, 2014


Today,  I had an Issue with My Oracle DB V 11.2.0.1  and It was Corrupted due to unexpected power failures More than 10 times 😉 !.

As Its a Test DB, I don`t have  regular backups.  It was an Internal Error with ORA-00600: internal error code, arguments: [kcratr_nab_less_than_odr]   As I don`t have complete backup to recover , I can recover using  ICR ( Incomplete recovery)

image1 image2

image3

 

Thanks for your time , Happy reading & Have a Good day 😉

Posted in Oracle Server Administration | Tagged: | 13 Comments »

HP Vertica – an analytic database management software – Installation

Posted by Sriram Sanka on November 5, 2013


vertica-hp-platform

The grid-based, column-oriented, Vertica Analytics Platform is designed to manage large, fast-growing volumes of data and provide very fast query performance when used for data warehouses and other query-intensive applications. The product claims to drastically improve query performance over traditional relational database systems, provide high-availability, and petabyte scalability on commodity enterprise servers.

Its design features include:

  • Column-oriented storage organization, which increases performance of sequential record access at the expense of common transactional operations such as single record retrieval, updates, and deletes.[6]
  • Standard SQL interface with many analytics capabilities built-in, such as time series gap filing/interpolation, event-based windowing and sessionization, pattern matching, event series joins, statistical computation (e.g., regression analysis), and geospatial analysis.
  • Out-of-place updates and hybrid storage organization, which increase the performance of queries, insertions, and loads, but at the expense of updates and deletes.
  • Compression, which reduces storage costs and I/O bandwidth. High compression is possible because columns of homogeneous datatype are stored together and because updates to the main store are batched.[7]
  • Shared nothing architecture, which reduces system contention for shared resources and allows gradual degradation of performance in the face of hardware failure.
  • Easy to use and maintain through automated data replication, server recovery, query optimization, and storage optimization.
  • Support for standard programming interfaces ODBCJDBC, and ADO.NET.

Key Features of the Vertica Analytics Platform

Today ..I am going to install  HP vertica  On one of my test server……

A proper & complete Installation guide can be found @ https://my.vertica.com/docs/6.1.x/PDF/HP_Vertica_6.1.x_InstallGuide.pdf

Lets Download and install vertica from https://my.vertica.com  on  RHEL5 64 Bit

[root@sriram ~]# rpm – iv /media/20131105_1301/vertica-6.1.3-0.x86_64.RHEL5.rpm
Preparing packages for installation…
vertica-6.1.3-0

Vertica Analytic Database V6.1.3-0 successfully installed on host sriram.localdomain

———————————————————————————-
Important Information
———————————————————————————-
If you are upgrading from a previous version, you must backup your database before
continuing with this install. After restarting your database, you will be unable
to revert to a previous version of the software.
———————————————————————————-

To download the latest Vertica documentation in zip or tar format please visit the
myvertica web site.

To complete installation and configuration of the cluster,
run: /opt/vertica/sbin/install_vertica

[root@sriram ~]# /opt/vertica/sbin/install_vertica

Vertica Analytic Database 6.1.3-0 Installation Tool
Upgrading admintools meta data format..
scanning /opt/vertica/config/users
WARNING: No hostname list provided. Installing to localhost
Starting installation tasks…
Getting system information for cluster (this may take a while)….
backing up admintools.conf on 127.0.0.1
Default shell on nodes:
127.0.0.1 /bin/bash
Checking/fixing OS parameters…..

Setting vm.min_free_kbytes to 51200 …
Info! The maximum number of open file descriptors is less than 65536
Setting open filehandle limit to 65536 …
Info! The session setting of pam_limits.so is not set in /etc/pam.d/su
Setting session of pam_limits.so in /etc/pam.d/su …
Info! Parameter vm.max_map_count is less than 253086
Setting vm.max_map_count to 253086 …
Detected cpufreq module loaded on 127.0.0.1
CPU frequency scaling is enabled. This may adversely affect the performance of your database.
Vertica recommends that cpu frequency scaling be turned off or set to ‘performance’

Creating/Checking Vertica DBA group

Creating/Checking Vertica DBA user

Password for dbadmin:
Installing/Repairing SSH keys for dbadmin

Creating Vertica Data Directory…

Updating spread configuration…
Verifying spread configuration on whole cluster.
Creating node node0001 definition for host 127.0.0.1
… Done
Error Monitor 0 errors 2 warnings
Installation completed with warnings.
Installation complete.

To create a database:
1. Logout and login as dbadmin.**
2. Run /opt/vertica/bin/adminTools as dbadmin
3. Select Create Database from the Configuration Menu

** The installation modified the group privileges for dbadmin.
If you used sudo to install vertica as dbadmin, you will
need to logout and login again before the privileges are applied.

[root@sriram ~]#

To create a database:
1. Logout and login as dbadmin.**
2. Run /opt/vertica/bin/adminTools as dbadmin
3. Select Create Database from the Configuration Menu

Now login as dbadmin and accept the license agreement ! Once after that now a window  will appear, using which  you can create & configure Vertica DB.

Image

After Database creation you can see the below Interactive window for Regular operations !

vertica_started

vertica_insert

You can See the documentation Guide @ http://www.vertica.com/documentation/documentation-6-1/

Thanks for reading this ! 

Sriram Sanka|Sr.Oracle DBA

Posted in Vertica | 10 Comments »

 
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