What has stored procedures in sql and how we can use it?

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If an unique key constraint on DATE column is created, will it validate the rows that are inserted with SYSDATE?

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What does a pl/sql package consist of?

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What is self-join and what is the requirement of self-join?

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What operators deal with null?

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What is synonyms?

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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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describe mysql connection using mysql binary. : Sql dba

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Explain isolation levels. : Transact sql

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what is normalization? : Sql dba

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Is sql a oracle?

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What is trigger types in sql?

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