Execute SQL in FILENAME(执行 FILENAME 中的 SQL语句) .schema ?TABLE? Show the CREATE statements(显示 CREATE 语句) .separator STRING Change separator used by output mode and .import .show Show the current values for various settings(显示各种设置) .tables ?PATTERN? List names of tables matching...
我已经尝试但无法正常工作的内容:window.sqlitePlugin.openDatabase({ name: 'dbname.db', location: 'default' }).executeSql("DELETE FROM table_name WHERE type='order_book' AND order_id IN ('B001', 'B002')", [], (res) => { console.log(res.rows); }); // => this is not work 我...
.read FILENAME Execute SQL in FILENAME .schema ?TABLE? Show the CREATE statements .separator STRING Change separator used by output mode and .import .show Show the current values for various settings .tables ?PATTERN? List names of tables matching a LIKE pattern .timeout MS Try opening locked...
... Dump the database in an SQL text format If TABLE specified, only dump tables matching LIKE pattern TABLE. .echo ON|OFF Turn command echo on or off .exit Exit this program .explain ?ON|OFF? Turn output mode suitable for EXPLAIN on or off. With no args, it turns EXPLAIN on. .h...
--new??FILE?Close existing database and reopenFILEThe--newstartswithan empty file.output?FILENAME?Send output toFILENAMEor stdout.quit Exitthisprogram.readFILENAMEExecuteSQLinFILENAME.tables?TABLE?List namesoftables IfTABLEspecified,only list tables matchingLIKEpatternTABLE.sqlite>...
在Python 中使用 SQLite 进行查询操作时,我们通常会使用execute函数。这个函数用于执行 SQL 查询语句,并返回执行结果。下面是一个简单的示例,演示了如何在 Python 中执行一个 SQLite 查询: importsqlite3# 连接到数据库conn=sqlite3.connect('example.db')c=conn.cursor()# 执行查询c.execute('SELECT * FROM user...
在SQLiteSpy中填写上述语句,点击键盘F9或依次鼠标点击Execute→Execute SQL 例2:查询所有雇员的编号(empno)、姓名(ename)、职位(job)、基本工资(sal)。 SELECT empno,ename,job,sal FROM emp; 1. 2. 例3:查询每个雇员的编号、姓名和基本年薪(基本工资x12) ...
SQL_QUERY_ONE_DATA = "SELECT * FROM PEOPLE WHERE id={}" def query_one(self, id): """ 查询一条数据 :param id: :return: """ self.cursor.execute(SQL_QUERY_ONE_DATA.format(id)) # fetchone():查询第一条数据 # fetchall():查询所有数据 # fetchmany(1):查询固定的数量的数据 result ...
查询数据使用SQL的SELECT语句。 importsqlite3# 连接到SQLite数据库conn = sqlite3.connect('example.db') cursor = conn.cursor()# 执行查询cursor.execute("SELECT * FROM users")# 获取查询结果rows = cursor.fetchall()forrowinrows:print(row)# 关闭连接conn.close() ...
execute(select_students_sql) # 获取所有查询结果 students_over_18 = cursor.fetchall() for student in students_over_18: print(f"Student ID: {student[0]}, Name: {student[1]}, Age: {student[2]}, Gender: {student[3]}, Major: {student[4]}") # 关闭数据库连接 conn.close() 4.4 更新...