What does select top 1 do in sql?

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What is multiple columns?

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How do I run a pl sql procedure in sql developer?

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Which one of the following is a reason that an INSERT statement might cause an error instead of executing correctly? 1. The INSERT statement was attempting to insert a record into a view that was created from more than one table. 2. The INSERT statement was attempting to insert a record using a combination of constants and values from an existing table. 3. The INSERT statement was attempting to insert a record with a non-NULL value into a table that has that column defined as NULL. 4. The INSERT statement was attempting to insert a record into a table by selecting a record from that same table. 5. The INSERT statement was attempting to insert a record into a view rather than a table.

1 Answers   Sonata,

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How to get each name only once from an employee table?

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Why do we use set serveroutput on?

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what is sp_pkeys? : Transact sql

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Can a composite key be null?

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How can we connect an Android App to an Oracle database and use the PL/SQL procedural code?

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Which command is used to delete a package?

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display records from 5 to 9 using rowid or rownum

5 Answers   Agile Software,

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Why are aggregate functions called so?

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