compound criteria
clauses
To set conditions when querying a database, you can use the WHERE clause in your SQL query. This clause filters the results based on specified conditions. You can combine multiple conditions using logical operators such as AND, OR, and NOT to further refine your query results.
A query is far more powerful than a filter. It depends on what you want to do. For some simple things a filter will do what you need. A query can do much more sophisticated things.
A select query with multiple criteria
search parameters
To select data using a query, you need to use a SELECT statement in SQL. Specify the columns you want to retrieve data from and the table where the data is located. You can also apply conditions using WHERE clause to filter the data before retrieving it.
The basic parts of a SQL Select query are: SELECT column names FROM table name WHERE conditions ORDER BY column names The basic parts of an insert query would be: INSERT INTO table name (VALUES) The basic parts of a delete query would be DELETE FROM table name WHERE conditions The basic parts of an update query would be UPDATE TABLE table name SET column name = value WHERE conditions
This is called a correlated sub-query.
A query is an SQL statement that is used to retrieve or modify data from database. A query that works dynamically is called dynamic query.
delete 'Like' from the query/filter
A query or a filter.
Not exactly. A query is much more powerful. Essentially it can filter records, but queries can do all sorts of other things that filters cannot do. A filter will reduce down the amount of records you see by apply a condition. You can then scroll through the visible records. A query can do the same thing, but it will give you a list of the records. It can deal with more complex conditions and do many other things like delete records, change values in records, build new tables and many other things that filters cannot do. You would use a filter for simple things, like to filter out all the people working in a particular department, but would use a query for something more complex like to show the people working in a particular department, who are earning a certain amount of pay and have worked in the company for more than a certain amount of years.