How many LONG columns are allowed in a table?
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What is the difference among union, minus and intersect?
what are the authentication modes in sql server? How can it be changed? : Sql dba
what is a tablespace? : Sql dba
What are the ways on commenting in a pl/sql code?
how to dump a table to a file with 'mysqldump'? : Sql dba
How do you select unique values in sql?
What is nested table in pl sql?
How many commands are in sql?
What are the types of keys?
Why is normalization important?
List and explain the different types of join clauses supported in ansi-standard sql?
Explain select statements in sql?
How do you truncate?
Which is faster joins or subqueries?
What is pl sql collection?