Which range of signals are used for terrestrial transmission?

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What are the operation of igbt?

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oracle 1st round What are the different types of joins? Explain normalization with examples. What cursor type do you use to retrieve multiple recordsets? Diffrence between a "where" clause and a "having" clause What is the difference between "procedure" and "function"? How will you copy the structure of a table without copying the data? How to find out the database name from SQL*PLUS command prompt? Tadeoffs with having indexes Talk about "Exception Handling" in PL/SQL? What is the diference between "NULL in C" and "NULL in Oracle?" What is Pro*C? What is OCI? Give some examples of Analytical functions. What is the difference between "translate" and "replace"? What is DYNAMIC SQL method 4? How to remove duplicate records from a table? What is the use of ANALYZing the tables? How to run SQL script from a Unix Shell? What is a "transaction"? Why are they necessary? Explain Normalizationa dn Denormalization with examples. When do you get contraint violtaion? What are the types of constraints? How to convert RAW datatype into TEXT? Difference - Primary Key and Aggregate Key How functional dependency is related to database table design? What is a "trigger"? Why can a "group by" or "order by" clause be expensive to process? What are "HINTS"? What is "index covering" of a query? What is a VIEW? How to get script for a view? What are the Large object types suported by Oracle? What is SQL*Loader? Difference between "VARCHAR" and "VARCHAR2" datatypes. What is the difference among "dropping a table", "truncating a table" and "deleting all records" from a table. Difference between "ORACLE" and "MICROSOFT ACCESS" databases. How to create a database link ? PL/SQL interview questions... Normalize many to many relationships Difference - Equijoin and union What is TEMP table space in Oracle, what is rollback segment How do we find row chaining? Pattern matching operators Features in oracle 9i and 10g Why truncating table is faster than delete copy commit syntax Convert Zulu time zone to US Eastern time zone Difference - union and union all Difference - Group by, Order by clause Which Ranking functions are available? Difference - Decode, NVL, NVL2 Tradeoffs of using partitioned tables How can we call stored procedure in SQL query What are the restrictions on calling PL/SQL from SQL Why EXISTS is preferable to distinct Give 2 examples of avoiding unnecessary parsing.

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I have an instrument that involves an electronic circuit. In circuit there is a PTC B754 (having operating voltage 230V). PTC is already damaged and same PTC is not available in market. Now what can i do to solve that problem.

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In wave guides tem wave propagation is not exit, give the physical interpretation?

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what is the difference between cdma and gsm

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What is the forbidden energy gap? How does it occur?

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what is embdeed system or device?

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what is the function of solid state relay (SSR)

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How WDM works in wireless system...as we say that it works in optical and signals transmitted in this are light signals...??

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What are the advantages of ac voltage controllers?

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I m a computer science engg. passout and want to prepare for PSUs but I dont have the idea of the study material which I should study from and the previous Question papers of PSUs,plz help me....

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