What is a database event trigger?
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What is union and union all keyword in sql?
Why are aggregate functions called so?
What is the advantage of nosql?
There is a table, In one column it has implemented a index, but the index is disturbed by the regular dml statements.. but still we need to keep the index. how it is possible?
What is pl/sql table? Why it is used?
What does cursor do in sql?
Why you are not able to create a table using select command,if it is having a LONG column? for eg:create table test as select * from test1 here test1 containg a column having LONG datatype...
write a pl/sql function if enter a value=0 then output value=1 and vise verse with out using if and case statements.
Which join is like inner join?
What are the data types allowed in a table?
Can we join same table in sql?
How to start the command-line sql*plus?
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