example -alter table emp modify empno number
Example -ALTER TABLE emp MODIFY (empno NUMBER (7));
Expected delivery within 24 Hours
column constraints not null unique check primary key default referenceson delete cascade using this key whenever a
create table prodtranspno number 4ptype char 1 check ptype in irs qty number 5foreign key pno references product pno on delete cascade in the
alter table command this command is used for variation of existing structure of the table in the given situation when a new column is to be added to
ythetasininthetacosinthetathen find dydividedthetasolution ythetasininthetacosinthetaapplying uv rulethen dydividedtheta sininthetacosintheta
drop table commandwhen an existing object is not needed for further use it is always better to eliminate it from the database to remove the existing
as spring approaches your design rm has been tasked with designing a two-lane highway in rural wyoming the highway descends a hill crosses a river
data manipulation languagedata manipulation language dml describes a set of commands that are used to query and change data within existing schema
select statementthis statement is used for retrieving information from the databases it can be coupled with many clauses let us talk about these
1931293
Questions Asked
3,689
Active Tutors
1460542
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
We recommend the establishment of a National Counterterrorism Center (NCTC), built on the foundation of the existing Terrorist Threat Integration Center
Question: How can president check the actions of the judicial branch? A. they can impeach the supreme court justices
Question: The countries of Vanadia and Bardemia have an agreement to trade various perishable products.
The belief by many Americans that they actually contribute to major governmental decisions through the power of their vote is referred
Why does bureaucracy persist and what does it stand for? Why does democracy matter and what does it stand for?
What are the top 3 sources of income or revenue? What percent of total revenue is provided from its top 3 revenue sources?
Give me a good discussion post for this In the article "Absolutely Relative: How Education Shapes Voter Turnout in the United States,