在SQLite中,"REPLACE INTO SELECT VALUES"语句是一种用于更新数据库表中数据的SQL语句。它的语法如下: REPLACE INTO table_name (column1, column2, ..., columnN) SELECT value1, value2, ..., valueN FROM another_table WHERE condition; 这个语句的功能可以分为两部分来解释。首先,它可以从另一个表(an...
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 the standard prompts(替换默认的命令提示信息, 默认就是 sqlite>) .quit Exit this program(退出命令行) .read FILENAME Execute SQL in FILENAME(执行 FILENAME 中的 SQL语句) .schema ?TABLE? Show the CREATE statements(显示 CREATE 语句) .separator STRING Change separator used by output mode a...
sqlite>SELECTnameFROMsqlite_schema...>WHEREtypeIN('table','view')ANDnameNOTLIKE'sqlite_%'...>;user
{SQLite3 ODBC Driver};Database=C:\sqlite\day_book.db" conn.Open Connstr arr = Sheets("销售数据源").[a1].CurrentRegion For i = 2 To UBound(arr) conn.Execute "insert or replace into 销售数据源 values('" & Join(Application.Rept(Application.Index(arr, i, 0), 1), "','") & "'...
ret = ret.replace(/_([\w+])/g,function(all, letter) {returnletter.toUpperCase(); });if(firstUpper) { 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 = [...
REPLACE ROLLBACK TRANSACTION SELECT UPDATE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39.
insert or replace into table_name( id,type) values (1,0); insert or ignore into table_name (id,type) values (2,0); IF NOT EXISTS(SELECT * FROM table_name WHERE ….) THEN INSERT INTO ... ELSE UPDATE SET ... 上面的第一条语句是每次执行时,如果不存在,则添加,如果存在,则更新。
(_idINTEGERPRIMARYKEYAUTOINCREMENT,nameTEXTUNIQUEONCONFLICTREPLACE,value TEXT)index|sqlite_autoindex_system_1|system|5|table|sqlite_sequence|sqlite_sequence|6|CREATETABLEsqlite_sequence(name,seq)index|systemIndex1|system|7|CREATEINDEXsystemIndex1ONsystem (name)table|secure|secure|8|CREATETABLEsecure (_...
UPDATE OR REPLACE ... INSERT OR FAIL ... INSERT OR IGNORE ... INSERT OR REPLACE ... REPLACE INTO ... SQL语句日志文件使用随机的文件名,不一定要在与主数据库相同的目录下,在事务结束时自动删除。SQL语句日志的空间大小只是UPDATE或INSERT语句完成的更改部分的比例大小。 (...