Narayana Tutorial

Online Java Tutorial Blog

Month: June 2018

How to Disable and Enable triggers in oracle

oracle

In this post, we are discussing on how to enable, disable and drop triggers in oracle.   Enable ONE Trigger in a table Syntax ALTER TRIGGER <trigger-name> ENABLE; Example ALTER TRIGGER NarayanaTutorial_Trigger ENABLE;   Enable ALL Triggers in a table Syntax ALTER TABLE <table-name> ENABLE ALL TRIGGERS; Example ALTER TABLE NarayanaTutorial_TABLE ENABLE ALL TRIGGERS;     Disable […]

ORA-28040: No matching authentication protocol Oracle 12c

ORA-28040: No matching authentication protocol after upgrade to 12c. From oracle 12.X, the default value for the SQLNET.ALLOWED_LOGON_VERSION parameter has been updated to 11. It defines the minimum version of authentication protocol permitted to access the database. Prior to version 12c the default setting for SQLNET.ALLOWED_LOGON_VERSION (the equivalent parameter prior to 12c) was 8. In 12c the default […]

How to disable dangerous http methods in apache tomcat server

How to disable dangerous http methods in apache tomcat server Some of the http methods are dangerous and using these http methods may easily hack the application like executing the remote script execution, sql injection, click jacking etc… So dangerous http methods need to be restricted. We need to disable dangerous http method in both […]

Blind Sql Injection

Blind SQL INJECTION occurs when data input by a user is interpreted as an SQL command rather than as normal data by the backend database. This is common vulnerability and the vulnerability by executing a test SQL query on the backend database. Type of SQL Injections SQL Injections Blind Sql Injection Boolean Based Sql Injection […]

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