What is the difference between local and global temporary table?
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What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?
How is indexing done in search engines?
What are the various levels of constraints?
Which is faster union or join?
What are the most important characteristics of pl/sql?
How does left join work in sql?
What does desc stand for?
1.when will you use week refcursor and when will you use strong ref cursor ? 2.what is the use of sql trace..how do you use it ? 3.can you please send all the sql plus commands...like set line 6000....
What are the advantages of the packages
What is the requirement of self-join?
What is the main difference between sql and pl/sql?
What is sql query limit?