".tables"和在list模式下执行下面的语句相似: SELECT name FROM sqlite_master WHERE type IN ('table','view') AND name NOT LIKE 'sqlite_%' UNION ALL SELECT name FROM sqlite_temp_master WHERE type IN ('table','view') ORDER BY 1 实际上, 如果你查看sqlite3程序的源码 (found in the source ...
数据在实际工作中应用非常广泛,数据库的产品也比较多,oracle、DB2、SQL2000、mySQL;基于嵌入式linux的数据库主要有SQLite, Firebird, Berkeley DB, eXtremeDB。 本文主要讲解数据库SQLite,通过这个开源的小型的嵌入式数据库带领大家掌握一些基本的数据库操作,这些操作在很多系统中都是通用的,可谓学一通百。 一、sqlite概...
The.tablescommand gives a list of tables in thetest.dbdatabase. There are currently no tables. The.exitcommand terminates the interactive session of thesqlite3command line tool. Thelscommand shows the contents of the current working directory. We can see thetest.dbfile. All data will be stor...
Writable Schema _writable_schema Boolean When this pragma is on, the SQLITE_MASTER tables in which database can be changed using ordinary UPDATE, INSERT, and DELETE statements. Warning: misuse of this pragma can easily result in a corrupt database file. Cache Size _cache_size int Maximum cach...
sqlite3 *db, /* Database handle */ const char *zSql, /* SQL statement, UTF-8 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const char **pzTail /* OUT: Pointer to unused portion of zSql */ ...
.database 在当前的数据库文件中创建一张新表(语句) [注:以;结尾,<>中是我们可变的内容] create table <table_name>(表头信息1,表头信息2,表头信息3...); 例如: create table people(NAME,SEX,AGE); <5>显示数据库中所有的表名 sqlite>.tables ...
List all tables in the current database. Example: exporter.tables(function(err,tables){// tables === ['foo', 'bar', 'baz']}); Save the contents of a table to the specified output file. Example: exporter.save('table_name','data/table_name.json',function(err,data){// Optionally do...
例如 sqlite .help .bail ON|OFF Stop after hitting an error.Default OFF .databases List nameasnd files of attached databases .dump ?TABLE? ... Dump the database in an SQL text format .echo ON|OFF Turn command ech on or off .exit Exit this program .explain ON|OFF Turn output mode ...
sqlite> .mode list sqlite> .separator | sqlite> .output test_file_1.txt sqlite> select * from tbl1; sqlite> .exit $ cat test_file_1.txt hello|10 goodbye|20 $ 查询数据库结构 列出所有数据表 (.tables) sqlite> .tables changelog db_info packages ...
".tables"命令可以查看当前数据库所有的表 比如,示例14: sqlite>.tables tbl1 tbl2 sqlite> ".tables"和在list模式下执行下面的语句相似: SELECT name FROM sqlite_master WHERE type IN ('table','view') AND name NOT LIKE 'sqlite_%' UNION ALL SELECT name FROM sqlite_temp_master WHERE type IN (...