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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Explain the commit statement.

0 Answers  

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what are sequences

0 Answers  

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When we can declare a column as Unique and Not Null both at the same time. What is the use pf Primary Key then?

2 Answers   Accenture, Unisoft Infotech,

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What is TABLE SPACE?

4 Answers   ABB, TCS,

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How to convert lowercase letters to uppercase and uppercase letters to lowercase in a string. (ex, AbcdEfG should convert as aBCDeFg)

3 Answers   TCS,

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in sql table following column r there i want find 1st paid ,2nd paid,3rd paid date for same |service_type|date |vehicle_no| |------------|------|_---------| |paid |23 jan|MH12H2007 | | | | | |paid |26 feb|MH12H2007 | | | | | | | | | |paid |28 mar|MH12H2007 | i want o/p like below vehicle no| 1st paid date | 2nd paid date|3rd paid |latest paid date| pls help me out

4 Answers  

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How many times can we commit in a loop?

0 Answers  

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If we update a complex view, is base table will get update ?

2 Answers   Ardee Technologies, HCL,

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what is the difference between cursor FETCH and FOR LOOP ?

3 Answers   CG-VAK, Tech Mahindra,

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what is cross join? : Sql dba

0 Answers  

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Is sql better than access?

0 Answers  

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