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May
1
comment Best way to delete very large recordset in Oracle
@Gandolf989 dropping a partition wil always make a global index unusable
Apr
30
answered I want to change oracle “homedir” how to do?
Apr
29
comment Select rows where smaller row does not exist
What is row5. The row where ID=5?
Mar
27
reviewed Edit Why is this not in 2NF and 3NF form?
Mar
27
revised Why is this not in 2NF and 3NF form?
fixed spelling and formatting
Mar
27
reviewed Approve Test MySQL credentials from Linux command line?
Mar
18
reviewed Approve Flagging duplicates
Mar
18
comment Lost (and found?) on 4NF
what are candidate keys of your relation? Is it in 2nd, 3rd, BC normal form?
Mar
16
revised Are three equalities on a join operation legal in relational algebra?
typo
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
elaborated answer
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
changed answer
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
more arguments
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
error in argument
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
reformulated question
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
added 636 characters in body
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
typo
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
more explanation on question 2
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
error in formula
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
sql fomual, minor corrections
Mar
15
revised Are three equalities on a join operation legal in relational algebra?
second question answer