oracle drop table if exists

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oracle drop table if exists

DROP TABLE IF EXISTS `table_name`; This way, if the table doesn't exist, the DROP doesn't produce an error, and the script can continue. SELECT * FROM dba_tables where table_name = 'table_name'; but the syntax for tying that together with, If you run following code you do not have to check if table exists and in case of errors (table is locked with now wait or any other you will know ..., Sorry, there is no if exists in the Oracle's drop table syntax., If you run following code you do not have to check if table exists and in case of errors (table is locked with now wait or any other you will know ..., Oracle does not support a construct like drop table if exists my_table , which is apparently legal syntax in MySQL (and possibly other RDBMSs)., The EXCEPTION clause lasts till the next END and not just the next statement. If you want to continue after catching the exception you need to ..., You can create your function - or more properly, in this context, a procedure - with invoker's rights, which means that the commands in it will run ..., Hi guys In SQL Server if we want to drop a table only if it exists then here's the code: IF EXISTS(SELECT name FROM sys.tables WHERE ...,Question: I need to write code to test if an Oracle table exists ands then drop and re-create the table: if table1 exists drop table1 create table1... How do I write ... , Some other RDBMS - for example MySQL and postgreSQL: PostgreSQL: Documentation: 9.4: DROP TABLE - support a "drop table if exists" ...

相關軟體 MySQL 資訊

MySQL
MySQL 是一個開源的 RDBMS(關係數據庫管理系統),它支持用 C,C ++,Java,Perl 和 PHP 等各種編程語言編寫的請求。由於其高速度和靈活性,MySQL 已成為主要用於開發各種形狀和大小的 Web 應用程序的最流行的數據庫系統之一。自 1995 年上市以來,這種非常受歡迎的開源數據庫管理系統已經應用於當今幾乎所有互聯網用戶的無數項目中。今天一些最受歡迎的 MySQL 用戶是 ... MySQL 軟體介紹

oracle drop table if exists 相關參考資料
sql - Oracle: If Table Exists - Stack Overflow

DROP TABLE IF EXISTS `table_name`; This way, if the table doesn't exist, the DROP doesn't produce an error, and the script can continue. SELECT * FROM dba_tables where table_name = 'table...

https://stackoverflow.com

oracle11g - How can drop table if table exists in oracle? - Stack ...

If you run following code you do not have to check if table exists and in case of errors (table is locked with now wait or any other you will know ...

https://stackoverflow.com

sql - drop table If it exists in Oracle (IF EXIST) - Stack Overflow

Sorry, there is no if exists in the Oracle's drop table syntax.

https://stackoverflow.com

oracle11g - How can drop table if table exists in oracle? - Stack Overflow

If you run following code you do not have to check if table exists and in case of errors (table is locked with now wait or any other you will know ...

https://stackoverflow.com

Drop table from oracle database if table exist in sql statement ...

Oracle does not support a construct like drop table if exists my_table , which is apparently legal syntax in MySQL (and possibly other RDBMSs).

https://stackoverflow.com

Oracle SQL - If Exists, Drop Table & Create - Stack Overflow

The EXCEPTION clause lasts till the next END and not just the next statement. If you want to continue after catching the exception you need to ...

https://stackoverflow.com

plsql - oracle drop table if doesn't exist (in one line) - Stack ...

You can create your function - or more properly, in this context, a procedure - with invoker's rights, which means that the commands in it will run ...

https://stackoverflow.com

Oracle: How to drop a table if it exists - Experts Exchange

Hi guys In SQL Server if we want to drop a table only if it exists then here's the code: IF EXISTS(SELECT name FROM sys.tables WHERE ...

https://www.experts-exchange.c

Oracle drop table if exists

Question: I need to write code to test if an Oracle table exists ands then drop and re-create the table: if table1 exists drop table1 create table1... How do I write ...

http://www.dba-oracle.com

drop table if exists | Oracle Community

Some other RDBMS - for example MySQL and postgreSQL: PostgreSQL: Documentation: 9.4: DROP TABLE - support a "drop table if exists" ...

https://community.oracle.com