AI代码解释 sqlite>SELECTnameFROMsqlite_schema...>WHEREtypeIN('table','view')ANDnameNOTLIKE'sqlite_%'...>
rows,err:=database.Query("select id, firstname, lastname from user")ifnil!=err{fmt.Println(err)}forrows.Next(){rows.Scan(&id,&firstname,&lastname)fmt.Println(strconv.Itoa(id)+": "+firstname+" "+lastname)}varend=time.Now().UnixMicro()fmt.Printf("SQLiteDemo: %d\n",end-start)}...
REPLACE(REPLACE(est.text, char(13), ''), char(10), ' ') AS querytext FROM sys.dm_exec_cached_plans ecp cross apply sys.dm_exec_sql_text(ecp.plan_handle) est WHERE cacheobjtype='Compiled Plan' 1. 2. 3. 4. 5. objtype列的值是Proc表示是存储过程,Adhoc表示是临时查询,usecounts显示...
Runningsqlite3throughelectron-rebuilddoes not preserve the SQLCipher extension, so some additional flags are needed to make this build Electron compatible. Yournpm install sqlite3 --build-from-sourcecommand needs these additional flags (be sure to replace the target version with the current Electron ...
mDb.replace(SEARCHHISTORY_TABLE_NAME,null, values); } publicsynchronized ArrayList<String> getSearchhistory(int size) { ArrayList<String> history =new ArrayList<String>(); Cursor cursor = mDb.query(SEARCHHISTORY_TABLE_NAME, new String[] { SEARCHHISTORY_KEY }, ...
ret = ret.replace(/\b(\w)(\w*)/g,function($0, $1, $2) {return$1.toUpperCase() + $2; }); }returnret; };// 把数组里面的所有转化为驼峰命名constcamelArr= (arrs = []) => {let_arrs = []; arrs.map(function(item) { ...
CREATE OR REPLACE FUNCTION get_c2(tmp_c1 NUMBER ) RETURN VARCHAR2 IS Col_c2 VARCHAR2 ( 4000 ); BEGIN FOR cur IN ( SELECT c2 FROM t WHERE c1 = tmp_c1) LOOP Col_c2 : = Col_c2 || cur.c2; END LOOP; Col_c2 : = rtrim (Col_c2, 1 ); ...
In order to keep the realtime database fresh, it uses SQLITE REPLACE which makes it very effective. You can use it as a command-line tool or as a node.js module. This library has four parts: the GTFS import script, GTFS export script and GTFS-Realtime update script and the query ...
replace(X,Y,Z) 将串X中Y,全部替换为Z后返回。 lower(X) ASCII中字母转小写。 upper( X ) ASCII中字母转大写。 ltrim(X) 删除串X的左侧空格。 ltrim(X,Y) 删除串X的左侧的串Y。 rtrim(X) 删除串X的右侧空格。 rtrim(X,Y) 删除串X的右侧的串Y。
INSERT ON CONFLICT REPLACE 语句。使用此语句,您可以告诉 SQLite 尝试对表执行插入操作,如果它找到具有相同主键的行,则使用插入值中的值更新它们。使用 SQLite,您可以在同一会话中同时处理多个数据库。只需附加这些数据库,然后您就可以同时访问所有数据库的对象(表、视图等)...