pl sql null or empty

While checking null or Empty value for a column, I noticed that there are T...

While checking null or Empty value for a column, I noticed that there are The TRIM function in SQL is used to remove specified prefix or suffix.

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One should NEVER treat "BLANK" and NULL has the same. Back in the...

One should NEVER treat "BLANK" and NULL has the same. Back in the "Trim()" is one of many Oracle functions you can use in PL/SQL.

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Oracle doesn't differentiate between empty strings and NULL. To check ...

Oracle doesn't differentiate between empty strings and NULL. To check if a variable is an empty string, use the IS NULL syntax.

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Because of that we can perform all kinds of comparisons with blank Oracle/P...

Because of that we can perform all kinds of comparisons with blank Oracle/PLSQL: Difference between an empty string and a null value.

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Ensure that applications do not treat empty strings and NULL values equival...

Ensure that applications do not treat empty strings and NULL values equivalently." I tested the following PL/SQL blocks in Oracle8i version and the behavior.

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Please tell me that after declaration i would i know that my PL/SQL table i...

Please tell me that after declaration i would i know that my PL/SQL table is empty or NULL?

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In Oracle, the [b]NVL [/b]function is equivilent to the [b]ISNULL [/b]funct...

In Oracle, the [b]NVL [/b]function is equivilent to the [b]ISNULL [/b]function in SQL. string ('') is considered NULL, which is not the same behavior that SQL treats an empty string. PL/SQL procedure successfully completed.

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It's the Little Things: The PL/SQL NULL Statement, and why Every Langu...

It's the Little Things: The PL/SQL NULL Statement, and why Every Language Should have An empty statement may not even be visible at all.

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Hi, I need the following query to select 0 when the value is NULL or empty ...

Hi, I need the following query to select 0 when the value is NULL or empty string, not just NULL. Can I modify this Decode function to handle.

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Difference between null & Empty string Oracle Database 11g Enterprise E...

Difference between null & Empty string Oracle Database 11g Enterprise Edition Release - 64bit Production.

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I also need to check for blank space because the firstname field can have d...

I also need to check for blank space because the firstname field can have data that was deleted and I need to check if it is empty. Would my sql.

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SQL Standards dictate a very unique behavior for null values. You would thi...

SQL Standards dictate a very unique behavior for null values. You would think these behaviors would be consistent across databases.

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In SQL Server, if you insert an empty string ('') to an integer c...

In SQL Server, if you insert an empty string ('') to an integer column (INT i.e.), SQL Server inserts 0, if you insert an empty string to a COBOL to Oracle PL/SQL Oracle Inserts NULL When Empty String is Inserted to a NUMBER Column.

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When inserting '', there is no conversion of '' to NULL...

When inserting '', there is no conversion of '' to NULL, merely an More information can be found in the SQL Language Reference.

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But you need to work with NULL values (which are no Continue Reading → alte...

But you need to work with NULL values (which are no Continue Reading → alter table DEF modify value default 'Really empty';. insert into def . then NULL is returned, as opposed to PL/SQL where an error is raised.

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