Which is faster joins or subqueries?

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What is the difference between function and procedure in pl/sql?

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how to rename an existing column in a table? : Sql dba

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1 SELECT a.field1, b.field2, c.field3, d.field4 2 FROM atable a, atable b, ctable c, dtable d 3 ? 4 ORDER BY 1 What is the minimum number of joins that must be specified on line 3 in the sample code above to properly link the tables? Notice that the table "atable" is aliased twice: once as "a" and once as "b." 1. One join 2. Two joins 3. Three joins 4. Four joins 5. Five joins

6 Answers   Sonata,

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When to use inner join and left join?

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How do you use a while loop in pl sql?

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What is the difference between Union and Union all. Which is faster.

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How do I view a view in sql?

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What are different sql data types?

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how instead of triger is helpful for mutating tables errors handlling ?

2 Answers   Oracle,

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Mention what is the use of function "module procedure" in pl/sql?

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What is a pl/sql block?

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