An example with composite primary key CREATETABLEt2(idINTEGER, aINTEGER, b TEXT,PRIMARYKEY(id, a)); INSERTINTOt2 (id, a, b)VALUES(5, 15,'five'); 1 (1, 5, 15, 'five') 6 Responses toAn example on what ROWID is in SQLite
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of fact, SQLite accepts strings like “Hello” forINTfields. Note that it still stores “Hello”—no data is lost. I think he mentioned that it is possible to enforce the types viaCHECKconstraints. Here I have to mention that I’ve had an e-mail conversation with Richard about covering ...
sqlite3提供了C函数接口来操作sqlite3数据库,其中有个关键数据结构 sqlite3 * 类型 1、打开数据库 int sqlite3_open(文件名,sqlite3 **); - 文件名若不存在,则会自动创建 返回SQLITE_OK表示操作正常,这些宏的定义在sqlite3.h文件中定义,看源代码会懂的更多 2、关闭数据库 int sqlite3_close(sqlite3 *); ...