Is postgresql a nosql database?
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Is delete faster than truncate?
What does pragma mean?
how would concatenate strings in mysql? : Sql dba
what are properties of a transaction? : Sql dba
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);
Mention what is the plv (pl/vision) package offers?
Can we alter stored procedure?
How to convert comma separated string to array in pl/sql?
what is the order of pre-defined exceptions.
How do rank () and dense_rank () differ?
write a query to display diference between two dates in sql server
What are the different sql commands?
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