Explain CREATE , ALTER ,UPDATE
Statement .
For 5 marks
Anonymous:
table SQL hn kya??
ya in SQL m bnani hn??
ye saare tarkeeb h ki SQL query m madad krrte h
ki agrr hme kux update krna ho ya create krrna ho
thnx bro
i m not bro...
Answers
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1) CREATE statement:
The create table command is a commonly DDL statement which define each column of the table uniquely. Each column has minimum of 3 attributes:
1) Name , 2)Data type and
3) Size (column width).
2)ALTER statement:
My SQL provides the ALTER function that help us in corporate the changes to the already existing database design.It is used to modify an existing database,table etc.
3)UPDATE statement:
It is used in the modification of the information in the database .It is involved in database manipulation language (DML).
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