Troubleshoot your query by breaking down the components of it. Run nested/sub queries first: SELECT TOY_ID FROM TOYS WHERE TOY_DESC LIKE "%plastic%". ... <看更多>

SQLite Update Hook Example · The hook must be registered on the connection being used which requires clients to manually integrate this code. · Each INSERT and ... ... <看更多>

... <看更多>

In order to implement the join on two columns simultaneously, you can use an EXISTS predicate: UPDATE Table_1 SET Field3 = (SELECT Field3 ... ... <看更多>