当我们尝试运行上面的代码时,在MySQL 8中会出现如下错误信息:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'table students ...。这表明MySQL 8不支持create or replace table语法。 为了解决这个问题,我们可以先删...
有关如何定义表结构的详细信息,请参阅 CREATE TABLE (Transact-SQL)。 声明具有表类型参数的例程。有关 SQL Server 例程的详细信息,请参阅 CREATE PROCEDURE (Transact-SQL) 和 CREATE FUNCTION (Transact-SQL)。 声明表类型变量,并引用该表类型。有关如何声明变量的信息,请参阅 DECLARE @local_variable (Transact...
在SQL Server 2016 SP1中引入了一个新特性:Create Or Alter ,这个语句的功能与Oracle的Create Or Replace是完全一样的。 只能用于视图、存储过程、用户定义函数和触发器,不能用于表、索引等。
IF v_table_commentISNOTNULLTHENv_table_ddl :=v_table_ddl||'COMMENT ON TABLE "'||in_table_name||'" IS '''||replace(v_table_comment,''',''')||''';'||E'\n';ENDIF;-- comment on columnFORv_column_comment_recordINSELECTcol.column_name, d.descriptionFROMinformation_schema.columns ...
There are options to either keep the existing data in the table or to clear the data from the table during the replace. The default is to keep all data. If you elect to clear all the data, your new table definition does not need to be compatible with the original version. In all cas...
Here, I show you how you can have a CREATE OR REPLACE TABLE in Oracle...or, at least as close as you can get using some Pl/SQL!
sql server里面只有create没有or replace ,和Oracle的语法还是有很多差别的。给你个创建存储过程的案例 SQL Server语法：定义和调用一个基本的存储过程的语法use Student_Info -- 指定使用哪个数据库这样上下文信息才有效goCREATE PROCEDURE Mychu_Schema.DELETE_DEPT @l_student_no VARCHAR(4), -- ...
{"createOrReplace": {"object": {"database":"AdventureWorksTabular1200","table":"FactSalesQuota","partition":"FactSalesQuota - 2011"},"partition": {"name":"Sales Quota for 2011","mode":"import","dataView":"full","source": {"query": ["SELECT [dbo].[FactSalesQuota].* FROM [dbo]...
SQL> create table old_source as select * from dba_source as of scn 2660057 where name='MACLEAN_PROC'; Table created. SQL> select * from old_source where name='MACLEAN_PROC'; OWNER NAME TYPE LINE TEXT --- --- --- --- --- SYS MACLEAN_PROC PROCEDURE 1 procedure maclean_proc as S...
CREATE TABLE enhanced with OR REPLACE option Content You are in:IBM i Technology Updates>Db2 for i - Technology Updates>Db2 for i Functional Enhancements> Create OR REPLACE Table Db2 for i is adding optional OR REPLACE capability to the CREATE TABLE SQL statement. By moving to a replacement ...