I have an application that uses incident numbers (amongst other types of numbers). These numbers are stored in a table called "Number_Setup", which contains the current value of the counter. When the app generates a new incident, it number_setup table and gets the required number counter row (counters can be reset daily, weekly, etc ...
I have an InnoDB table containing users, like this: +--------------+-----------------------+ | user_id | name | +--------------+-----------------------+ | 1 | Bob | | 1 | Marry | | 2 | Bob | | 1 | John |...
Dear GURUs I would like to ask couple of questions regarding SQL Server Locking mechanism If i am not using the lock hint with SQL Statement, SQL Server uses PAGELOCK hint by default. am I right??? If yes then why? may be its due to the factor of managing too many locks this is the only thing i took as drawback but please let me know ...
I’ve lately come across a rather frustrating situation where SQL server refuses to issue locks only against a primary key when a statement like this select * from table with (rowlock updlock) where key=value is executed against it. Now don’t get me wrong here, it does lock the row but it goes one step farther and locks the table too. ...
I keep running into "enq: TX - row lock contention", when I run the Sql command below in a oracle 9 DB. The table mytable is a small table, with less than 300 lines. UPDATE MYTABLE SET col1 = col1 + :B3 , col2 = SYSDATE WHERE :B2 = col3 AND :B1 = col4 I run 10 threads at the same time, and some ...
I have a store procedure to get the data i want: SELECT a.SONum, a.Seq1, a.SptNum, a.Qty1, a.SalUniPriP, a.PayNum, a.InvNum, a.BLNum, c.ETD, c.ShpNum, f.IssBan FROM OrdD a JOIN OrdH b ON a.SONum = b.SONum LEFT JOIN Invh c ON a.InvNum = c.InvNum LEFT JOIN cus d ON b.CusCod = d.CusCod LEFT JOIN BL e ON a.BLNum = e.BLNum LEFT JOIN ...
I can see how to turn off row level and page level locking in SQL Server, but I cannot find a way to force SQL Server to use row level locking. Is there a way to force SQL Server to use row level locking and NOT use page level locking? ...