varchar2

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using long string(over 4000) in oracle query

I know that in sql varchar2 can only be around 4000. I know that in oracle PL varchcar2 can be around 32000.[详细]

2023-04-02 16:53 分类：问答
Why am I getting "ORA-01429: Index-Organized Table" when trying to modify column from VARCHAR2(200) to VARCHAR2(1000)?

It\'s currently a VARCHAR2(200) in the database, but it needs to be raised to VARCHAR(1000), so I am attempting to run this script:[详细]

2023-03-01 06:42 分类：问答
How does varchar2 sorting in oracle works?

I\'m sorting a Oracle SQL query by a Varchar2 column. But when I get the results i can not correctly understand the ordering. Which is the logical order. first lower letters? numbers? symbols?. Here I[详细]

2023-02-15 10:45 分类：问答
What is the default size of a varchar2 input to Oracle stored procedure, and can it be changed?

I have a stored procedure in Oracle Database 10g where my input is a varchar2 but I\'m having issues getting it to run when the input string is long (not sure of exact length maybe > 8000).[详细]

2023-02-04 03:08 分类：问答
Space character that persists in varchar2 in Oracle 11g for display in SSRS 2008

Is there a space or other non-printing character I can insert to a varchar2 column that will not be trimmed away and result in a NULL?[详细]

2023-02-03 12:39 分类：问答
Wasn't there a switch to toggle Oracles empty varchar2 - null behavior?

As everybody working with Oracle knows, it an empty Varchar2 will result in a NULL value when put into a Varchar2 column.开发者_开发知识库[详细]

2023-01-13 04:21 分类：问答
Varchar2 and Oracle quick question

Hi guys I\'m using varchar2 for a product name field, but when I query the database from the run SQL command line it shows too many empty spaces, how can I fix this without changing the datatype[详细]

2022-12-28 07:51 分类：问答
Replace CHAR with VARCHAR2

How can I replace CHAR with VARCHAR2 in all tables in a schema? Note: I\'m content with a query that ret开发者_运维问答urns the ALTER TABLE statements so I can save the script and run it again.select[详细]

2022-12-23 02:32 分类：问答
Why does Oracle varchar2 have a mandatory size as a definition parameter?

I want to know why Oracle needs the size parameter in the definition of the VARCHAR2. I think that开发者_开发知识库 is for constraint. Would it be a better option that oracle takes this parameter as[详细]

2022-12-20 00:40 分类：问答
Convert from Oracle VARCHAR2 to MySQL TEXT

How to do correct conversion of data from Oracle VARCHAR2 type to MySQL TEXT type? I want insert it into mysql table in field with TEXT type开发者_如何学JAVA through DBLink.Something like this might[详细]

2022-12-19 05:14 分类：问答