Before we move forward to check the record in thetable. As an example, we will create a table program using the SQL statements contained in theBaeldung University schema. Now, to check if a record exists, we have to make a SELECT query targeting the relevant table and conditions. If the ...
In the article, we are going to examine how to create a new user account and grant/revoke permissions and roles on a database object, as well as how to check SQL Server user permissions on the database using T-SQL, SQL Server Management Studio, and dbForge Studio for SQL Server. When...
1. Determine what version of SQL Server you have and double-click the link below to download the zip file of SQL templates. In the zip file, click on the TRACETMPL folder and double-click on the .tdf file for your version and SQL Profiler will auto...
Input-Output configuration issue: If the configuration is changed or interrupted, then corruption in log file arises. A Reliable Solution to Fix SQL Log File Corruption Now that you've understood why the problem happened, next, try to deal with it with ways given below. First, check for the...
SQL check constraint and user-defined functions A scalar-valued user-defined function returns a single value after its invocation. We can use this type of function in the check constraints to define a data validation rule. At the same time, we can pass the inserted data value to this functio...
ADO.NET, Entity Framework, LINQ to SQL, Nhibernate 閱讀英文 儲存 新增至集合 新增至計劃 共用方式為 Facebookx.comLinkedIn電子郵件 列印 發行項 2012/04/19 Question Thursday, April 19, 2012 6:45 AM Hi, user enters his name and password.if user not exists giving 201 as error.and how to...
INSERT INTO TRACK_LOGIN EXEC MASTER.SYS.XP_READERRORLOG 0, 1,'LOGIN SUCCEEDED FOR USER' /***/ Note:Above query will read the current SQL SERVER ERRORLOG and then insert the Logon related events in "Track_Login" table. If you want to read older errorlog file then you could change...
This an example of how to check if the 'BUILTIN\Administrators' login is a member of the sysadmin role, this is by using the login option SELECT IS_SRVROLEMEMBER('sysadmin', 'BUILTIN\Administrators'); This is an example if the CURRENT login is a member of the sysadmin group ...
Check Using xp_instance_regread Using xp_instance_regread system procedure, we can read the registry value. SQL Server stores a “1” for Windows Authentication and a “2” for SQL Server authentication (Mixed Mode) in the windows registry. You can execute the below query to check th...
We can do this in SQL. The methods to do this are different betweenOracle,SQL Server,MySQL, andPostgreSQL. Also, you may want to test the performance of each of these “SQL update from select” methods. Some methods may be much faster than others, as they depend on your tables and the...