使用open()函数打开一个SQL文件。script.sql是SQL文件的路径和名称。 使用read()函数读取文件的内容,并将其存储在sql_script变量中。 步骤3:执行SQL脚本 最后,我们需要使用数据库连接执行SQL脚本。可以使用刚刚创建的数据库连接对象的execute()方法来执行脚本。下面是需要使用的代码: # 使用数据库连接执行SQL脚本conn...
.readFILENAMEExecuteSQLinFILENAME .schema ?TABLE? Show theCREATEstatements .separatorSTRINGChange separator used by output modeand.import .show Show the current valuesforvarious settings .tables ?PATTERN? List names of tables matching aLIKEpattern .timeoutMSTry opening locked tablesforMSmilliseconds .wi...
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...
The SQLite library includes a simple command-line utility namedsqlite3(orsqlite3.exeon windows) that allows the user to manually enter and execute SQL commands against an SQLite database. This document provides a brief introduction on how to use thesqlite3 Getting Started To start thesqlite3prog...
} /* Create merged SQL statement */ sql = "DELETE from COMPANY where ID=2; " \ "SELECT * from COMPANY"; /* Execute SQL statement */ rc = sqlite3_exec(db, sql, callback, (void*)data, &zErrMsg); if( rc != SQLITE_OK ){ fprintf(stderr, "SQL error: %s\n", zErrMsg); sql...
模块sqlite3 中包含一些执行 SQL 命令的方法。 execute - 执行单条 SQL 命令。 executemany - 执行一个 SQL 表达式,该表达式可以配合参数(或者迭代器等)实际转化为多条 SQL 命令。 executescript - 允许同时执行多个 SQL 表达式。 2.1 方法 execute 该方法允许执行一条 SQL 语句。我们先来创建一个连接(connection...
.output FILENAME Send output to FILENAME .output stdout Send output to the screen .prompt MAIN CONTINUE Replace the standard prompts .quit Exit this program .read FILENAME Execute SQL in FILENAME .schema ?TABLE? Show the CREATE statements ...
--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>...
conn=sqlite3.connect(fileDB)# 连接数据库 然后需要创建游标: 代码语言:javascript 复制 cur=conn.cursor()# 创建游标 这时,就可以通过execute方法执行sql语句了,比如查询语句: 代码语言:javascript 复制 sql='select * from SCORE'# SQLite语句(查询数据) ...
} /* Create merged SQL statement */ sql = "DELETE from COMPANY where ID=2; " \ "SELECT * from COMPANY"; /* Execute SQL statement */ rc = sqlite3_exec(db, sql, callback, (void*)data, &zErrMsg); if( rc != SQLITE_OK ){ fprintf(stderr, "SQL error: %s\n", zErrMsg); sql...