How do I quit sql?

0 Answers  

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How does sql store data?

0 Answers  

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Create table emp (id number(9), name varchar2(20),salary number(9,2)); The table has 100 records after table created.Now i nee to change id's Datatype is to be Varchar2(15). now Alter table emp modify(id varchar2(15),name varchar2(20), salary number(9,2)); Whether it will work or returns error? post answer with explanation.

13 Answers   Oracle, TCS,

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What does plv msg allows you to do?

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what is HASH join?

2 Answers   Genpact, HCL,

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What is procedure in pl sql?

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what are the types of join and explain each? : Sql dba

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How many sql core licenses do I need?

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ex: take one schema in that t1,t2,.....tn tables and you don't no the table name also. write a procedure if enter columns name then display the maching columns .otherwise display the unmatch columns.

1 Answers   Zensar,

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How does postgresql compare to mysql?

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When is a declare statement required?

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Do we need commit after truncate?

0 Answers  

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