You can’t do this with wp_nav_menu, because it outputs list items, and you’ll generate invalid markup with your code. Try using wp_get_nav_menu_items() instead. A quick solution for a drop down menu with a custom walker: class Walker_Nav_Menu_Dropdown extends Walker_Nav_Menu{ // don’t output children opening tag (`<ul>`) public function start_lvl(&$output, $depth){} // don’t output children closing … Read more
The SQLite website has syntax diagrams explaining the SQL grammar supported by SQLite.
You need the table name/alias in the SELECT part (maybe (vg.id, name)) :
backticks (`) are used for identifiers, like table names, column names, etc. Single quotes(‘) are used for string literals. You want to do: Or, to be more explicit: When there is no chance of ambiguity, and when table/column names do not have special characters or spaces, then you can leave the ` off. Here is … Read more
In Oracle, you can simply subtract two dates and get the difference in days. Also note that unlike SQL Server or MySQL, in Oracle you cannot perform a select statement without a from clause. One way around this is to use the builtin dummy table, dual:
Try or: Or the equivalent in:
Sounds like they want the ability to return only allowed fields, which means the number of fields returned also has to be dynamic. This will work with 2 variables. Anything more than that will be getting confusing. Dynamic SQL will help with multiples. This examples is assuming atleast 1 column is true.
The error message should be written like this: ORA-01720: “grant option” does not exist for COLLDESK.GESTIONES. Here’s how it works: You have 3 schemas: Schema1 – Holder of a table named “table1” Schema2 – Holder of a view “view1” selecting from schema1.table1 Schema3 – User, selecting from schema2.view1 – has no select granted on schema1.table1. … Read more
You can do something like this: See, for example: https://dev.mysql.com/doc/refman/5.0/en/union.html
From the manual found at http://dev.mysql.com/doc/refman/5.7/en/create-table.html You can use the TEMPORARY keyword when creating a table. A TEMPORARY table is visible only to the current session, and is dropped automatically when the session is closed. This means that two different sessions can use the same temporary table name without conflicting with each other or with … Read more