what are the differences between char and nchar? : Sql dba

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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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what happens when the column is set to auto increment and you reach the maximum value for that table? : Sql dba

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How to run sql*plus commands in sql developer?

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What is a left inner join?

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Write the order of precedence for validation of a column in a table? I. Done using database triggers. Ii. Done using integarity constraints

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What are the sql commands?

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Sql technical questions

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What are the different types of dbms?

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How do you explain an index?

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What is difference between table and view?

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How is sql used in oracle?

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