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- sql - MySQL SELECT only not null values - Stack Overflow
Is it possible to do a select statement that takes only NOT NULL values? Right now I am using this: SELECT * FROM table And then I have to filter out the null values with a php loop Is there a
- How to do a Select in a Select - Stack Overflow
I have a table containing a unique ID field Another field (REF) contains a reference to another dataset's ID field Now I have to select all datasets where REF points to a dataset that doesn't exi
- sql - Case in Select Statement - Stack Overflow
Using a SELECT statement with a searched CASE expression Within a SELECT statement, the searched CASE expression allows for values to be replaced in the result set based on comparison values
- How to select data of a table from another database in SQL Server?
Suppose that I have a database which name is testdb in test server I also have a database named proddb in prod server Now I want to select data of a table of testdb database from proddb database
- sql server - SQL select from a select query - Stack Overflow
I want to do a select request that perform a first select and then use that selection to perform a second select I made a 1st version using a temp table but I would like to know if there is a way
- Change lt;select gt;s option and trigger events with JavaScript
How can I change an HTML <select> 's option with JavaScript (without any libraries like jQuery), while triggering the same events as if a user had made the change? For example using following code, if I change the option with my mouse then an event triggers (i e onchange is run) However, when I change the option using JavaScript then it doesn't fire any event Is it possible to fire trigger
- How to select unique records by SQL - Stack Overflow
When I perform SELECT * FROM table I got results like below: 1 item1 data1 2 item1 data2 3 item2 data3 4 item3 data4 As you can see, there are dup records from column2 (item1 are dupped) So how co
- sql server - Select with (nolock) - Stack Overflow
SELECT statements do indeed apply locks unless there is a statement at the top of the query SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED By all means use WITH (NOLOCK) in SELECT statement on tables that have a clustered index, but it would be wiser to only do so if there's a need to
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