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27 gru 2012 · $query = mysql_query("SELECT image_id FROM list WHERE (style_id = 24 AND style_value = 'red') OR (style_id = 25 AND style_value = 'big') OR (style_id = 27 AND style_value = 'round'); Try out this query.
I want to grab a value from a table into two different columns for different values from the same table. Use this query as an example (notice how the select is on the same table aliased as 2 different tables): SELECT a.myVal, b.myVal. FROM MyTable a, MyTable b. WHERE.
The WHERE clause is used in MySQL to filter data from a table based on specific conditions. For example, to retrieve all records from a table where the “age” column is greater than 30, we can use the following SQL query: SELECT * FROM table WHERE age > 30;
15 lip 2015 · I am not very experienced with sql queries and looking for an efficient way to perform the same WHERE IN condition on multiple columns. More specifically, i'm doing the following: SELECT a, b . FROM links . WHERE a IN (90696, 110083, ... 147455) . OR b IN (90696, 110083, ... 147455)
Now that we know what a WHERE clause is, let’s explore how to use multiple WHERE clauses. Multiple WHERE clauses can be used to filter data based on multiple conditions. The syntax for using multiple WHERE clauses is as follows: SELECT column1, column2, … FROM table_name. WHERE condition1 AND condition2; Here, the AND operator is used to ...
To filter data by multiple conditions in a WHERE clause, use the AND operator to connect the conditions. Here’s what this looks like for two conditions: WHERE condition1 AND condition2. In our example, condition1 is dept = 'Finance' and condition2 is salary > 4000.
31 lip 2023 · In MySQL and MariaDB, you can use multiple WHERE clauses with AND and OR operators to create complex conditions for your queries. These operators allow you to combine multiple conditions to filter data based on specific criteria.
