What is serial sql?

0 Answers  

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how to insert the data through views? The view is depending upon more than two tables? how to update materalized views?

3 Answers   3i Infotech,

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How do you sort in sql?

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what are the differences between char and varchar? : Sql dba

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Which query operators in sql is used for pattern matching?

0 Answers  

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How many rows can sqlite handle?

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How would you go about increasing the buffer cache hit ratio? 0. Explain the difference between a hot backup and a cold backup and the benefits associated with each 1. You have just had to restore from backup and do not have any control files. How would you go about bringing up this database? 2. How do you switch from an init.ora file to a spfile? 3. Explain the difference between a data block, an extent and a segment. 4. Give two examples of how you might determine the structure of the table DEPT. 5. Where would you look for errors from the database engine? 6. Compare and contrast TRUNCATE and DELETE for a table. 7. Give the reasoning behind using an index. 8. Give the two types of tables involved in producing a star schema and the type of data they hold. 9. What type of index should you use on a fact table? 10. Give two examples of referential integrity constraints. 11. A table is classified as a parent table and you want to drop and re-create it. How would you do this without affecting the children tables? 12. Explain the difference between ARCHIVELOG mode and NOARCHIVELOG mode and the benefits and disadvantages to each. 13. What command would you use to create a backup control file? 14. Give the stages of instance startup to a usable state where normal users may access it. 15. What column differentiates the V$ views to the GV$ views and how? 16. How would you go about generating an EXPLAIN plan?

2 Answers  

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Are sql connections encrypted?

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write a query to find out the no. of employees whose age is less than 25 and max of salary for the employees belonging to a particular department is less than 20000

6 Answers  

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What is the best sql course?

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how a reference cursor works?what all adnvantages are gained with it..specify the situation?

4 Answers   TCS,

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In packages the source code is compiled into p code ? how do we describe the p code

3 Answers  

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