What are the advantages of sql?
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What are the advantages of indexing?
Is join and inner join the same?
What are the different tcl commands in sql?
Why cross join is used?
How do I run pl sql in sql developer?
Can a view be updated/inserted/deleted?If Yes under what conditions?
how to eliminate null values in a column i.e table vlaues 1 2 3 NULL 3 4 1 5 NULL i want output like this 1 2 3 3 4 1 5 i dnt want to use nvl is null and i dnt want replace the NULL value with any value i.e nvl(col,o);
Is it mandatory for the primary key to be given a value when a new record is inserted?
What is coalesce sql?
What is substitution variable in pl sql?
What is the use of function in sql?
What are the attributes of SQL*PLUS ?
2 Answers Dream Careers, Oracle,
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