How do I add a primary key to a table?

0 Answers  

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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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what is difference between "Primary key" and "Unique key"?

4 Answers   PreVator,

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what are Dynamic SQL statements?

9 Answers  

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What are different methods to trace the pl/sql code?

0 Answers  

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What is a join?Explain the different types of joins?

6 Answers   Bank Of India, CitiGroup, Google, ICICI, Saama Tech, SkyTech, TCS,

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What is the maximum number of columns in sql table?

0 Answers  

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how to start mysql server? : Sql dba

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what is the difference between delete and truncate commands? : Sql dba

0 Answers  

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IF EMP HAS 2 ROWS,DEPT HAS 4 ROWS.WHATS THE RESULT OF SELECT * FROM EMP,DEPT;

1 Answers  

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we have a package and we have grants to execute that package inside of that we have table, here we don't have privileges to this table? whether this package will execute or not?

3 Answers   TCS,

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how can we repair a mysql table? : Sql dba

0 Answers  

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