我有 : motory: 数据库 。 我想在数据库中创建 5 个表格。 哪个是最好的普通表格/ tmp 表格? 当我们关闭连接时, 表格会自动删除吗?
我正计划使用 sqlite_ 序列表来获取表格的最后一个插入代号 。 在 : momory: 数据库 中是否有 sqlite_ 序列表?
我有 : motory: 数据库 。 我想在数据库中创建 5 个表格。 哪个是最好的普通表格/ tmp 表格? 当我们关闭连接时, 表格会自动删除吗?
我正计划使用 sqlite_ 序列表来获取表格的最后一个插入代号 。 在 : momory: 数据库 中是否有 sqlite_ 序列表?
使用 : memory:
就像普通数据库一样, 带有普通表格。 一旦连接关闭或退出进程, 所有的数据和 schema 都会丢失 。
每当有带有自动列的表格时, sqlite_sequece
表格就会存在,然而,您只需使用 last_Indield_rowid()
SQL 函数即可。
I have values being cut off and would like to display the full values. Sqlite3 -column -header locations.dbs " select n.namelist, f.state, t.state from names n left join locations l on l.id = n.id ...
I ve had fine luck using SQLite with straight, direct SQL in Android, but this is the first time I m wrapping a DB in a ContentProvider. I keep getting a null pointer exception when calling ...
I got this error: OperationalError at / unable to open database file Things I ve tried so far are setting the absolute path of my dev.db file in the settings.py. I ve tried adding www-data to my ...
I am in the process of developing a desktop application that needs a database. The application is currently targeted to SQL Express 2005 and works wonderfully. However, I m not crazy about having ...
Optimizing SQLite is tricky. Bulk-insert performance of a C application can vary from 85 inserts per second to over 96,000 inserts per second! Background: We are using SQLite as part of a desktop ...
When we are using any gear enable site, and we go offline the gear automatically creating folder with /dbName#database ... assume 2 diff. website is there www.abc.com and www.xyz.com. when I go ...
How can I get metadata / constraints (primary key and "null allowed" in particular) for each column in a SQLite v2.8 table using PHP5 (like mysql_fetch_field for MySql)? sqlite_fetch_column_types (OO:...
I m working on a Java desktop application that reads and writes from/to different files. I think a better solution would be to replace the file system by a SQLite database. How hard is it to migrate ...