I have a simple query, and the event fires at the correct time. However, once fired, the property, .HasChanges, of the SqlDependency object is always set as true. The first time OnChange is fired, the SqlNotificationEventArgs Info property is “Inserted”. The second time the event is fired it’…
Tag: sql
convert datetime (mm/dd/YYYY) to decimal(YYYYmmDD)
I am trying to get the following result in Sql: example: 23/05/2014 to 20142305 but get this: result:41780 anyone know how you can get the following format?? (if possible ??) regards and thanks Answer In many databases (including SQL Server), you can just do: Some databases don’t support these functions…
How to mask a mobile phone number portion with ‘X’
Using Oracle SQL, how can I replace certain numbers with an ‘X’. For example, if I have a random mobile number: 0400 100 200 or 0400100200 I would like to mask out the number to: 0400 XXX XXX …
Select from row to last row
Is it possible for me with MySQL to select the from a specific row to the end of the table, without knowing how many rows there are left? My query at the moment is: But I want to be able to something like: Can this be done? Answer Just use a large value like 999999999 that is going to be
Can I use SQL commands (such as join) on objects in powershell, without any SQL server/database involved?
As a disclaimer, I’m no professional powershell scripter, but more of a ‘script-kiddie’ level scripter who was assigned something far outside the scope of his job, tech support. 😛 I’ve been working on a migration script to bring some really old data into a new software app. As a part o…
Best way to check for “empty or null value”
What is best way to check if value is null or empty string in Postgres sql statements? Value can be long expression so it is preferable that it is written only once in check. Currently I’m using: But it looks a bit ugly. stringexpression may be char(n) column or expression containing char(n) columns wit…
Set column to a concatenated value from another table
I have 2 tables in SQL Server 2008: Address: nameid | e-mail ————— 1 | xyz@abc.com 2 | fgh@asdf.com 3 | 123@doremi.com Member: nameid | memberid ————— 1 | …
How to fill missing dates and values in partitioned data?
How to fill missing dates and values in partitioned data? I’m having a lot of trouble Googling this as most of the posts seem to feature Oracle databases, and I’m working with Microsoft SQL Server. I have the following hypothetical table: I want to fill in the dates in between the gaps and copy ov…
Query JSON inside SQL Server 2012 column
I have a column inside my SQL Server 2012 table which contains following Json data. Now I want to use this column data in my query like Is there a way to query JSON data in SQL Server 2012? Answer Honestly, this is a terrible architecture for storing the data, and can result in some serious performance issues…
MySQL #1064 Error DATETIME
I’m making a web based mail system, and I have to create a table with this code: MySQL says: #1064 – 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 ”messages'( ‘ID’ INT(250) NOT NULL AUTO_INCRE…