❖Communication practices: Principle 1 Listen: •Try to focus on the speaker‘s words, rather than formulating your response to those words. •Ask for clarification if something is unclear, but avoid constant interruptions. •Never become contentious in your words or actions (e.g., rolling your eyes or shaking your head) as a person is talking. Principle 2 Prepare before you communicate: •Spend the time to understand the problem before you meet with others. If necessary, perform some research to understand business domain. •If you have responsibility for conducting a meeting, prepare an agenda in advance of the meeting. Principle 3 someone should facilitate the activity: •Every communication meeting should have a leader (a facilitator) 1)To keep the conversation moving in a productive direction, 2)To mediate any conflict that does occur, and 3)To ensure that other principles are followed. Principle 4 Face-to-face communication is best: •It usually works better when some other represen...
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DCL-Data Control Language And TCL -Transaction Control language

DCL-Data Control Language 

TCL -Transaction Control language

DCL-Data Control Language:-The data control language is use to give permition and revoke the permition, To perform any for operation in the database then user need permition like inserting data of reating record deleting data or view record. The record for In data control language there are mainly two command.


1.Greant command
2.Revoke command

1.Greant command:-The Greants command is use to given in the permission to user after that this user perform operation on database generally a grent statement is use by owner of table. 

When we give permission to that user then this user must be present in the database.
Syntax-Grent permission on table name to user name. 

There are various permission that is given below 

2.Revoke command:-We can reject the permission given to database particulars user with the help revoke command.

Syntax-Revoke permission on table name from username. 

To remove the permission from multiple users then we add user names seperated by","

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