How is data stored on a disk?

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what is difference between pass by value and eference by value in oracle plsql

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How do you define a foreign key?

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how do you tune the slow running queries in oracle db , explain the methodology

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ename empno deptno amar 1 10 akbar 2 20 anthonny 3 30 jonathan 4 40 write a procedure to dispaly the column values ina row separated by a deleimiter eg - input - select ename from emp '|' output - amar|akbar|anthony|jonathan input - select empno from emp '@' o/p - 1@2@3@4 input - select deptno from emp '/' o/p - 10/20/30/40 Pls answer this questn.

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How to write a query to show the details of a student from students table whose

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Is sql open source?

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What are the types of queries in sql?

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Why we use cross join?

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how can create data base link for tow servers (scott schema) give examples plz

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what is the bond code in materialized view?

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What is the difference between sql, mysql and sql server?

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