Which is faster union or join?

0 Answers  

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how would you enter characters as hex numbers? : Sql dba

0 Answers  

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

2 Answers   Oracle,

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What are the key differences between SQL and PL SQL?

0 Answers  

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How pl/sql source code can be protected?

3 Answers  

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what does the t-sql command ident_current does? : Transact sql

0 Answers  

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How does postgresql compare to "nosql"?

0 Answers  

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What is AUTH_ID and AUTH_USER in pl/sql ?

0 Answers   INDUS,

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what is the difference between implicit and explicit trigger

2 Answers   Tech Mahindra,

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

0 Answers  

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What are different clauses used in sql?

0 Answers  

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