What are character functions?

0 Answers  

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8 Answers   Wipro,

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How does postgresql compare to oracle/db2/ms sql server/informix?

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What is the difference between UNIQUE KEY and UNIQUE INDEX?

3 Answers   TCS,

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how to delete duplicate rows from a join tables(I have three tables on that join) how do you know which join is need to be used? The select statement I have is: SELECT gc_skill_type.skill_type, gc_area_tec.area, gc_technology.technology, gc_technology.id_technology, gc_area_tec.id_area_tec FROM gc_skill_type, gc_area_tec, gc_technology WHERE gc_area_tec.id_skill_type (+) = gc_skill_type.id_skill_type AND gc_technology.id_area_tec (+) = gc_area_tec.id_area_tec order by gc_skill_type.skill_type asc, gc_area_tec.area asc, gc_technology.technology asc

1 Answers   IAS,

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What is the difference between unique and primary key constraints?

0 Answers  

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How to get second highest salary from a table

3 Answers  

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How did you export data from database to excel file.

1 Answers   TCS,

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explain mysql aggregate functions. : Sql dba

0 Answers  

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Can we write create command in the plsql block?if possible how?

2 Answers  

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

0 Answers  

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What is snowflake sql?

0 Answers  

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