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Swaminathan K
asked on
12/30/2019
Maximum Size of column in Dual table in Oracle database
Hi Team,
I would like to know the maximum size of a column in DUAL table in oracle database.
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Databases
Oracle Database
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Last Comment
Swaminathan K
8/22/2022 - Mon
johnsone
12/30/2019
You shouldn't be putting anything into the DUAL table.
DUAL is a table that has one column (DUMMY) defined as VARCHAR2(1) and contains one row of data ('X').
As you are never really selecting anything from the DUAL table, the limitation is a SQL limitation, not a limitation of the table.
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Mark Geerlings
12/30/2019
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Swaminathan K
1/28/2020
ASKER
Thanks a lot
I started with Experts Exchange in 2004 and it's been a mainstay of my professional computing life since. It helped me launch a career as a programmer / Oracle data analyst
William Peck
DUAL is a table that has one column (DUMMY) defined as VARCHAR2(1) and contains one row of data ('X').
As you are never really selecting anything from the DUAL table, the limitation is a SQL limitation, not a limitation of the table.