Which constraints we can use while creating database in sql?


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More SQL PLSQL Interview Questions

What are the different sql languages?

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I m giving Source, Destination and Age. Write a procedure or function, it will give to u this source to destination tickets are available or not, if available then check this person is senior citizen or not,if this person is senior citizen then give some discount. PLZ give this answer...... Thanks advance.....

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In a table only one column how to update rows

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i have 2 table table one 4 columns respective values a1 7,a2 6,a3 8 ,a4 12 & table two 4 colums respective values a1 7,a2 6,a3 8,a4 15.if table one & table two 3 colums same then 4th column values 1)Qes diff >5 then print 5 * diff value 2)Que diff <5 print 5

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what is constraining table?

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What is record variable?

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is it mandatory to select all the column in a view then what columns should be selected

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Can we connect to postgresql using sql developer?

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How many sql databases can you have on one server?

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Find out the 3rd highest salary?

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What is using in sql?

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how to concatenate two character strings? : Sql dba

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