我认为真正的问题是您没有使用(在和之后。但您可以使用IN使其更清楚--如下所示:
SQLite operators are restricted words or characters that are utilized in SQLite queries when the WHERE clause is used to conduct operations such as comparisons and arithmetic. In SQLite statements, operators can be used to describe conditions and as conjunctions for multiple conditions. SQLite has fou...
The OR operator is used to combine multiple conditions in an SQL statement’s WHERE clause. 10 IS NULL The NULL operator is used to compare a value with a NULL value. 11 IS The IS operator work like = 12 IS NOT The IS operator work like != 13 || Adds two different strings and ma...
Finally, this last AND & OR example demonstrates how the AND and OR conditions can be used in theDELETE statement. For example: DELETE FROM employees WHERE employee_id > 50 AND (last_name = 'Jones' OR last_name = 'Davis'); This SQLite AND and OR condition example would delete all rec...
Whenever we use the WHERE clause in SQLite to perform arithmetic or comparison operations, SQLite operators are reserved words or characters.Discuss this Question 127. An SQLite statement may contain operators to specify conditions or as a ___ for multiple conditions.Command Control Conjuction Cartesia...
可以使用LIKE运算符完成此操作:
WHERE condition1 AND condition2 ... AND condition_n; Parameters or Arguments condition1, condition2, ... condition_n All of the conditions that must be met for the records to be selected. Note The SQLite AND condition allows you to test 2 or more conditions. ...
** with it under an EXCLUSIVE lock where we do not need to ** worry so much with race conditions. */ *pExists = 1; rc = SQLITE_OK; } } } } } return rc; } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13.
The OR operator is used to combine multiple conditions in an SQL statement's WHERE clause. 10 IS NULL The NULL operator is used to compare a value with a NULL value. 11 IS The IS operator work like = 12 IS NOT The IS operator work like != 13 || Adds two different strings and mak...
UPDATEtable_nameSETc1=val1,c2=val2...,cName=valNameWHERE[your condition]; You can combine theANDor theORoperators if you need multiple conditions met. You don’t have to use theWHEREclause to update all the table rows. SQLiteINSERTa New Record orUPDATEOne if It Already Exists The...