How long will it take to learn pl sql?

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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 do you declare a user-defined exception?

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what is a primary key? : Sql dba

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Main diff between varray and nested tablea

3 Answers   Polaris, TCS,

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How to select 10 records from a table?

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What is example of database?

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if we give update table_name set column_name= default. what will happen?

4 Answers   iFlex,

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Differentiate between % rowtype and type record.

0 Answers  

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explain commit and rollback in mysql : sql dba

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While inserting 10 rows using procedure, if 3rd entry is having some error, what will be the output? How u will handle that error?

8 Answers   iFlex,

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How long does it take to learn pl sql?

0 Answers  

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