How to find table size?

Hello, if you want to see all table sizes in oracle database you can use this code. SELECT owner, table_name, ROUND(sum(bytes)/1024/1024/1024) GB FROM (SELECT segment_name table_name, owner, bytes FROM dba_segments WHERE segment_type IN ('TABLE', 'TABLE PARTITION', 'TABLE SUBPARTITION') UNION ALL SELECT i.table_name, i.owner, s.bytes FROM dba_indexes i, dba_segments s WHERE s.segment_name = i.index_name AND   s.owner … Continue reading How to find table size?

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The Backdoor Entry to Oracle Database

The backdoor entry of the Oracle database! You can enter to the database through the back door using SQL * Plus tool with “Prelim” parameter  Prelim, directly connects to the SGA but it does not open a session. You can connect to the database with Prelim as following. [oracle@maxerman bin]$ sqlplus /nolog SQL*Plus: Release 12.1.0.2.0 … Continue reading The Backdoor Entry to Oracle Database

ORA 28040 no machine authentication protocol Error.

ORA 28040 no machine authentication protocol Error. I am trying to connect with Plsql Developer to Oracle databse Oracle 12c in Oracle Linux 7.3 system. However, whenever i run my application i get following exception. Error messages summary : "connect error, ORA-28040: No matching authentication protocol" Bug number -> 14575666 Solutions 1 :  1. Connect … Continue reading ORA 28040 no machine authentication protocol Error.

What is infoFence?

infoFence, is a 3rd. party real time security database software for Oracle databases. SCOPE Login Control DDL/DCL (Database Definition & Control Language) Control DML (Data Manipulation Language)/QUERY Control Database and Application Error Detection System Conditional Table Access Logging System. It is installed into Oracle Databases (10g,11g,12c) and runs using Database Triggers and optionally be integrated … Continue reading What is infoFence?

Wget: command not found error on OEL 6.8

error => bash : wget command not found. Use the wget utility to download the repository configuration file that is appropriate for your system. Is wget installed? If not, install it: