convert clob to varchar in oracle

CHAR, VARCHAR, VARCHAR2 difference:1. The length of the char is fixed, the length of the VARCHAR2 can vary, for example, the storage string "abc", for Char (20), which means that the characters you store will occupy 20 bytes (including 17 null

When working with Sqoop to import data from Oracle into hive, there is a mismatch in hive data because of a newline in a field of type Clob in Oracle. Even the addition of--hive-drop-import-delims is not valid.Through the query, found that there are

In the program, Oracle databases and SQL databases are often supported. Some Oracle built-in functions are mostly used, but the syntax in SQL is somewhat different. I have done some sorting and hope to help you .... 1. built-in functions in oracle:

Datatypes translation between Oracle and SQL Server part 1:character, binary stringsDatatypes translation is one of the most important things you need to consider when migrate your application from one Database to the other. This is a article in the

First, the table below describes the ing relationship with the DB2/400 data types, which is a one-to-many relationship. The specific ing relationship should be analyzed for specific issues. Note: The DATE in Oracle contains the year, month, day,

First, the following table describes the ing between Oracle and DB2/400 data types, which is a one-to-many relationship. The specific ing relationship should be analyzed according to specific issues. Note: Date and Time The date in Oracle

Original: Oracle data typeOracle data typesSaying goes, ax. Knowing a little bit more about the underlying stuff is great for Oracle development and maintenance. Individuals have summed up some of the Oracle data type set solutions, I believe

This article from: http://www.bitscn.com/oracle/install/200604/16541.html First, the following table describes the ing between Oracle and DB2/400 data types, which is a one-to-many relationship. The specific ing relationship should be analyzed

First of all, the corresponding relationship between the db2/400 data types is described in the following table, which is a one-to-many relationship, and the specific problem should be analyzed concretely. Precautions:The date in Oracle contains

Ing between MySQL and Oracle Data Types (table form), mysqloracle MySQL and Oracle databases are usually used at work. Because of some differences in data types between MySQL and Oracle, the following describes the relationship between the data