构建创建表的SQL语句:columns = ', '.join(column_names) sql = f"CREATE TABLE {table_name} ({columns})" 执行SQL语句创建表:cursor.execute(sql) 提交事务并关闭连接:conn.commit() conn.close() 这样就可以使用列表中的列名创建一个SQLite3表。需要注意的是,SQLite是一种轻量级的数据库,不支持所有...
在Ubuntu 18上编译sqlite3库后在运行程序时出现undefined reference to `sqlite3_column_table_name’的错误。网上的说法是说缺少SQLITE_ENABLE_COLUMN_METADATA的宏定义,解决办法是在sqlite3.c增加一行代码: #define SQLITE_ENABLE_COLUMN_METADATA 1 1. 这个解决办法其实不好,更好的办法是在运行confi...
allRenamedColumnsAndTypes:(NSString *)renamedColumnsAndTypes allRenamedColumnNames:(NSString *)renamedColumnNames { if (![db columnExists:oldColumnName inTableWithName:tableName]) return; DLog(@"%@表中存在%@字段,修改%@字段名称为%@", tableName, oldColumnName, oldColumnName, newColumnName); ...
/gdal-3.1.1/.libs/libgdal.so: undefined reference to `sqlite3_column_table_name' google一番,发现是sqlite3需要配置一个宏 https://www.sqlite.org/compile.html SQLITE_ENABLE_COLUMN_METADATA When this C-preprocessor macro is defined, SQLite includes some additional APIs that provide convenient acces...
sqlite> .mode column <8>显示表头 sqlite> .header on 创建表: create table 表名(元素名 类型,…); 删除表: drop table 表名; 插入数据: insert into 表名 values(, , ,) ; 创建索引: create [unique] index 索引名on 表名(col….);
sqlite>.mode column sqlite>select*fromtbl_MiscSetting;_idMTSSettingBlockUnratedTVCurrentTVtype---0100 insert sqlite>.mode insert sqlite>select*fromtbl_MiscSetting;INSERTINTOtableVALUES(0,1,0,0); line sqlite>.mode line sqlite>select*fromtbl_MiscSetting;_id=0MTS...
# Identify the columns having whitesapce cursor = con.cursor() colInfo = cursor.execute("PRAGMA table_info('tableName')") for r in colInfo: print("Columns Names :: " + str(r)) # The above part will print each column name with hidden white-spaces, # include the same while aliasing...
人有十个手指头，习惯了逢十进一，于是十进制成了生活中的标准。程序的世界只有高低电平两种状态，更...
All im doing here is specifying which column to insert into, and the fact that your table has 7 columns(including the oid) but just 6 values are given might be the issue. And im not looping as i believe @balderman said the issue was calling INSERT 6 times. Let me know if ...
Import data from FILE into TABLE(从文件中导入表) . Show names of all indices on TABLE(显示索引) . Load an extension library(加载一个扩展库) . Set output mode where MODE is one of: (设置输出模式,模式可以是以下几种): csv Comma-separated values(以逗号分隔的值) column Left-aligned column...