How can we debug in PL/SQL?

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Can you rollback after commit?

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Does sql view stored data?

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Why trigger is used in sql?

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Explain the commit statement.

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Which data dictionary views have the information on the triggers that are available in the database?

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How do you write a complex sql query?

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write an sql query to find names of employee start with 'a'? : Sql dba

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How many sectors are in a partition?

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What is t-sql? : Transact sql

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What is primary and foreign key?

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What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.

7 Answers   Satyam,

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