选择“SQL操作”> “SQL查询”进入SQL查询页面。 执行如下语句创建兼容Oracle的数据库。 此例中为:test_database_info,请根据实际情况选择。 CREATE DATABASE test_database_info DBCOMPATIBILITY 'ORA';步骤四:迁移数据库 创建DRS实例,将本地Oracle上的test_info数据库迁移到GaussDB实例中test_database_info数据...
COPY [ BINARY ]table[ WITH OIDS ] FROM { 'filename' |stdin} [ [USING] DELIMITERS 'delimiter' ] [ WITH NULL AS 'null string' ] COPY [ BINARY ]table[ WITH OIDS ] TO { 'filename' |stdout} [ [USING] DELIMITERS 'delimiter' ] [ WITH NULL AS 'null string' ] 输入 BINARY 改变字段...
Oracle 数据类型默认SQL Server 数据类型 bfile varbinary(max) binary_double float[53] binary_float float[53] blob varbinary(max) char char char varying[*..*] varchar[*] char[*..*] char[*] character char character varying[*..*] varchar[*] character[*..*] char[*] Clob varc...
Last update on August 05 2024 11:32:32 (UTC/GMT +8 hours) DescriptionThe Oracle LTRIM() function is used to remove all specified characters from the left end side of a string. By default, it removes leading spaces, but you can specify other characters to trim....
Oracle 資料類型預設SQL Server 資料類型 Bfile varbinary(max) binary_double float[53] binary_float float[53] blob varbinary(max) char char char varying[*..*] varchar[*] char[*..*] char[*] character char character varying[*..*] varchar[*] character[*..*] char[*] CLOB...
You can use any non-alphanumeric character such as "/" or "!" as a sepchar. You can omit the space between CHANGE and the first sepchar. DEL [n | n m | n * | n LAST | * | * n | * LAST | LAST] Deletes one or more lines of the SQL buffer ("*" indicates the ...
You will find some useful recommendations on porting Oracle PL/SQL code to PostgreSQL PL/PGSQL at "Converting from other Databases to PostgreSQL", section: Oracle (http://wiki.postgresql.org/wiki/Main_Page). See http://ora2pg.darold.net/report.html for a HTML sample of an Oracle data...
Modify the generated create table script, removing the NOT NULL attribute from any character columns that may have associated empty strings, and supply the modified script as a custom create script for the article using the @creation_script parameter of sp_addarticle. Oracle Subscribers support a ...
REMOVE_SET— Remove all occurrences of a value from an array, as if removing an element from a set. RENAME— Rename a field. REPLACE— Replace data at a given location. SET— Set a SQL/JSON variable to a specified value, or insert or replace data at a given location. SORT— ...
简介:标签PostgreSQL , Oracle , nchar , nvarchar , ntext , ms sql , sybase , unicode character , utf8背景在Oracle, MS SQL, SYBASE数据库引擎中,有一些这样的字符串类型nchar , nvarchar , ntext。 标签 PostgreSQL , Oracle , nchar , nvarchar , ntext , ms sql , sybase , unicode character , ...