Are subqueries faster than joins?

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Do stored procedures prevent sql injection?

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Can we use ddl commands in pl sql?

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I have done oracle 10g. I need a project knowledge. So if u please send a project how it should be done,Or you can send email link. I will be very grateful to u.

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What are different clauses used in sql?

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What types of commands can be executed in sql*plus?

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How many sql commands are there?

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What is difference between left and right outer join?

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SELECT flavor, SUM (ice_cream_sales) FROM sales_detail GROUP BY flavor ORDER BY 2 DESC If the "sales_detail" table contains ten records with different values in the flavor column (two "vanilla," three "chocolate," four "strawberry," and one NULL), how many rows are returned by the sample code above? 1. 0 rows 2. 1 row 3. 3 rows 4. 4 rows 5. 10 rows

8 Answers   Sonata,

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how can we take a backup of a mysql table and how can we restore it. ? : Sql dba

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What are primary key and foreign key and how they work?

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Mention what are the benefits of pl/sql packages?

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