oracle导出数据时出现Table xx contains one or more CLOB columns错误,这个是说表里面有多个clob类型,不能导出 PLSQL导出方式有三种,第一种导出.dmp文件,它是二进制文件,通用性比较好,可以跨平台使用。第二种导出.sql文件,它的好处在于可以看见sql语句,适合数据量小的情况,而且不能有大字段内容(blob、clob、long...
1.DML用于查询与修改数据记录,包括如下SQL语句: INSERT:添加数据到数据库中 UPDATE:修改数据库中的数据 DELETE:删除数据库中的数据 SELECT:选择(查询)数据 SELECT是SQL语言的基础,最为重要。 2,DDL用于定义数据库的结构,比如创建、修改或删除数据库对象,包括如下SQL语句: CREATE TABLE:创建数据库表 ALTER TABLE:更...
select sql_id,version_countfromv$sqlarea order by 2 desc ; select address,child_address,sql_textfrom v$sqlwheresql_id='70th7d08hqjf7'; v$sql中通过child_number,hash_value,address来确定一个子游标,而v$sqlarea通过address和hash_value就可以确定一个父游标;而从10g过后,通过sql_id就能确定一个游标。
oracle导出数据时出现Table xx contains one or more CLOB columns错误,这个是说表里面有多个clob类型,不能导出 PLSQL导出方式有三种,第一种导出.dmp文件,它是二进制文件,通用性比较好,可以跨平台使用。第二种导出.sql文件,它的好处在于可以看见sql语句,适合数据量小的情况,而且不能有大字段内容(blob、clob、long...
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For example, if you select TCP, you must supply the port on which the listener is listening for connection requests to the target database. The default TCP configuration uses port 1521. Create a snapshot or transactional publication, enable it for non-SQL Server Subscribers, and then create ...
Collections and Records in PL/SQL Composite data types, like collections and records, enable individual access to their internal components, which can be scalar or composite. For instance, one can access array elements, columns, or elements within a table separately within these data types. PL/...
ENABLE_BLOB_EXPORT Exporting BLOB takes time, in some circumstances you may want to export all data except the BLOB columns. In this case disable this directive and the BLOB columns will not be included into data export. Take care that the target bytea column do not have a NOT NULL ...
Oracle SQLcl (SQL Developer Command Line) is a Java-based command-line interface for Oracle Database. Using SQLcl, you can execute SQL and PL/SQL statements interactively or as as a batch file. SQLcl provides inline editing, statement completion, command
An Oracle Publisher can only be associated with one SQL Server Distributor. If a different Distributor is associated with the Oracle Publisher, it must be dropped before another Distributor can be used. If the Distributor is not dropped first, you will receive one of the following error messages...