.echoon|off Turncommandechoon or off .eqp on|off|full|... Enable ordisableautomatic EXPLAIN QUERY PLAN .excel Display the output of nextcommandinspreadsheet .exit?CODE? Exit this program with return-code CODE .expert EXPERIMENTAL. Suggest indexesforqueries .explain ?on|off|auto? Change the E...
this.deleteDatabase("Examples.db"); 9.查询表中的某条数据 Android中查询数据通过Cursor类来实现的。我们使用SQLiteDatabase.query()方法,会得到一个Cursor对象,Cursor指向的就是每一条数据。 代码如下: /* 删除数据库 */ public void DeleteDataBase() { this.deleteDatabase(DATABASE_NAME); this.finish()...
FreeSql Query 与 Dapper Query 的对比: Elapsed: 00:00:00.6733199; Query Entity Counts: 131072; ORM: Dapper Elapsed: 00:00:00.4554230; Query Tuple Counts: 131072; ORM: Dapper Elapsed: 00:00:00.6846146; Query Dynamic Counts: 131072; ORM: Dapper Elapsed: 00:00:00.6818111; Query Entity Counts:...
FreeSql Query 与 Dapper Query 的对比: Elapsed: 00:00:00.6733199; Query Entity Counts: 131072; ORM: Dapper Elapsed: 00:00:00.4554230; Query Tuple Counts: 131072; ORM: Dapper Elapsed: 00:00:00.6846146; Query Dynamic Counts: 131072; ORM: Dapper Elapsed: 00:00:00.6818111; Query Entity Counts:...
Previous blogs explained how to add droidcon session favorites to a database and also cache the embedding vectors in a database – but what if we stored everything in a database and then let the model query it directly? The OpenAI Cookbook examples repo includes a section onhow to call fu...
The WHERE clause on a query is broken up into "terms" where each term is separated from the others by an AND operator. If the WHERE clause is composed of constraints separate by the OR operator then the entire clause is considered to be a single "term" to which the OR-clause optimizati...
Some examples: CREATE TABLE parts ( part_id INTEGER PRIMARY KEY, stock INTEGER DEFAULT 0 NOT NULL, desc TEXT CHECK( desc != '' ) -- empty strings not allowed ); In order to enforce a UNIQUE column constraint, a unique index will be automatically created over that column. A different ...
More usage examples are available atUsage Usage Example (Assumingsqlite-jdbc-(VERSION).jaris placed in the current directory) > javac Sample.java > java -classpath ".;sqlite-jdbc-(VERSION).jar" Sample # in Windows or > java -classpath ".:sqlite-jdbc-(VERSION).jar" Sample # in Mac or...
使用node-sqlite3-4.0.3 初始化工程 6年前 cloudformation 使用node-sqlite3-4.0.3 初始化工程 6年前 deps 使用node-sqlite3-4.0.3 初始化工程 6年前 examples 使用node-sqlite3-4.0.3 初始化工程 6年前 lib 1. 添加 OpenSSL 支持 6年前 scripts 使用node-sqlite3-4.0.3 初始化...
document.querySelector('#result').innerHTML=filename+"Created successfully."; }); 如果你没有安装SQLiteStudio之类的软件,可以把上面动态创建的数据库文件载入http://kripken.github.io/sql.js/examples/GUI/,再执行下面SQL语句得到下面表格结果。 SELECT*FROMtest 2、对SQLite...