database - IN vs OR in the SQL WHERE clause - Stack Overflow

When dealing with big databases, which performs better: IN or OR in the SQL WHERE clause? Is there any difference about the way they are executed?

How to use MySQL Date functions with WHERE clause?

How to use MySQL Date functions with WHERE clause - By using the WHERE clause with any of the MySQL date functions, the query will filter the rows based on the condition provided in the WHERE claus...

date - mysql difference in month as column in where clause - Stack Overflow

need your help. I tried myself but cant solve it. I have a table with date column (ex. birth) So i need to select all rows where birth is in past more than one months. I googled and found a SO

sql server - WHERE clause better execute before IN and JOIN or after - Stack Ove

I read this article: Logical Processing Order of the SELECT statement in end of article has been write ON and JOIN clause consider before WHERE. Consider we have a master table that has 10 million

mysql - Using alias in the WHERE and HAVING statements? - Stack Overflow

Example: SELECT customer_id, address_id as addressID FROM customer WHERE addressID = 5 But, using the HAVING clause works perfectly fine. So why aliases don't work in the where clause?

WHERE clause on SQL Server "Text" data type - Stack Overflow

Where [CastleType] is set as data type "text" in SQL Server and the query is: SELECT * FROM [Village] WHERE [CastleType] = 'foo' I get the error: The data types TEXT and VARCHAR are incomp...

sql - OUTPUT Clause in MySQL - Stack Overflow

Is there a way to simulate the OUTPUT clause in MySQL, as we have a OUTPUT clause in SQL Server. Here is the kind of query I have UPDATE employee SET empage = 10 OUTPUT INSE...

Get current year in MySQL WHERE clause?

Get current year in MySQL WHERE clause - To get current year, use YEAR() along with CURDATE(). Let us first create a table −mysql> create table DemoTable1360 -> ( -> JoiningYear int -> ) -> ; Query...

MySQL WHERE

Summary: in this tutorial, you will learn how to use the MySQL WHERE clause in the SELECT... You typically use it with numeric and date/time data types. > Greater than. <= Less than or...

sql - Building dynamic WHERE clause in stored procedure - Stack Overflow

I'm using SQL Server 2008 Express, and I have a stored procedure that do a SELECT from table, based on parameters. I have nvarchar parameters and int parameters. Here is my problem, my where clause