In terms of scalability, SQLite is well suited to for smaller databases. As the database grows the memory requirement also increases, SQLite's performance will degrade. Adding to this issue is that performance
当SQLite因并发量过高而无法处理时，可以考虑切换到更强大的数据库后端，如MySQL、PostgreSQL等。重写代码以减少并发并确保数据库事务短命：优化代码逻辑，减少同时访问数据库的操作，确保每个数据库事务尽可能短，以减少锁的竞争。增加默认超时值：可以通过设置数据库选项中的timeout值来增加等待锁释放的时间。
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DataType.SqliteData Source=|DataDirectory|\document.db; Attachs=xxxtb.db; Pooling=true;Min Pool Size=1 DataType.OdbcMySqlDriver={MySQL ODBC 8.0 Unicode Driver}; Server=127.0.0.1;Persist Security Info=False; Trusted_Connection=Yes;UID=root;PWD=root; DATABASE=cccddd_odbc;Charset=utf8; SslMode...
支持MySql/SqlServer/PostgreSQL/Oracle/Sqlite/达梦数据库/Access; 《新人学习指引》|《Select》|《Update》|《Insert》|《Delete》 《表达式函数》|《CodeFirst》|《DbFirst》|《BaseEntity》 《Repository》|《UnitOfWork》|《过滤器》|《乐观锁》|《DbContext》 ...
sqlite: #querySELECTifnull(json_extract(dec,"$.ID"),0)asID,valFROMtab_name;
IFreeSql fsql =newFreeSql.FreeSqlBuilder() .UseConnectionString(FreeSql.DataType.Sqlite,@"Data Source=|DataDirectory|\document.db;Pooling=true;Max Pool Size=10") .UseAutoSyncStructure(true)//自动同步实体结构到数据库.Build();classSong{
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) as the only alternative in the future. The ANSI behavior is to add spaces when converting e.g. CHAR(10) to something else, e.g. ‘foo’ becomes ‘foo ‘ on CONCAT. However, this is not nearly universal; e.g. Postgres and SQLite both have the same behavior as default MySQL....