Check if table exists in database 说明 public mysql_xdevapi\Table::existsInDatabase ( void ) : bool Verifies if this table exists in the database. 参数 此函数没有参数。返回值 Returns TRUE if table exists in the database, else FALSE if it does not. ...
How to check if a table exists in any of the databases in a server ? For example, I want to see if a table called userAccountsBackup exists in any of the 25 databases in a server. How can I write a query to find this ?All replies (7)...
Date: January 11, 2007 09:17AM use this command: mysql> show tables like 'your_table_name'; in your c program you can check: if(row_count==1) /* then table exists; */ Sorry, you can't reply to this topic. It has been closed. ...
check_if_table_exists() This assert was triggered when the server tried to load plugins while running in embedded server mode. In embedded server mode, check_if_table_exists() was used to check if mysql.plugin existed so that ER_NO_SUCH_TABLE could be silently ignored. The problem was ...
Hi, I would like check if particular sheets exist in an Excel file, I am using following code to read sheets to datatable but i want check if the sheets exists before. How can i do that? prettyprint 複製 Try Dim MyConnection As OleDbConnection Dim MyCommand As OleDbDataAdapter Dim path...
1 SELECTTABLE_NAMEFROMDBName.INFORMATION_SCHEMA.TablesWHERETABLE_NAME='Article' How do I check this in C#? As for how you check that in C#? You just make sure the Row count returned from the query is 1. See this article I have already posted. ...
if exists(select * from sysobjects where name='check1') alter table test1 drop constraint check1; go alter table test1 add constraint check1 check(height>=170 and height<=175); go 当表结构不存在时 如果表结构不存在,可以直接添加约束,可以同时添加一个或者多个约束。
0 Kudos 5,272 SAP Managed Tags: ABAP Development Hello How can I check if a table exists when I have the name, for example entered by the user. ? GreetsReply 1 ACCEPTED SOLUTION ThomasZloch Active Contributor 2008 Mar 25 2:02 PM 0 Kudos 1,357 SAP Managed Tags: ABAP ...
if exists(select * from sysobjects where name='check1') alter table test1 drop constraint check1; go alter table test1 add constraint check1 check(height>=170 and height<=175); go 当表结构不存在时 如果表结构不存在,可以直接添加约束,可以同时添加一个或者多个约束。
I want to check for the existance of a table in a Stored procedure, and I need some function that will return 0 or 1 if the table exists or not, and I have hard time locating one in the documentation, someting that will work in the folowing code: ...