SQLGetSubString() is used to retrieve a portion of a large object value referenced by a large object locator. The large object locator has been returned from the data source (returned by a fetch or a previous SQLGetSubString() call) during the current tr
trace_column_id, trace_column_name, expensive_eventFROM(SELECTt.idAStrace_id, row_number()over(PARTITIONBYt.idorderbyte.trace_event_id, tc.trace_column_id)ASrow_number, t.status, t.path, t.max_size, t.start_time, t.stop_time, t.max_files, t.is_rowset, t.is_rollover, t.is_s...
selectdatabase(); #查看当前库名;selecttable_namefrominformation_schema.tableswheretable_schema=database() ; #查看当前库下的表名selectcolumn_namefrominformation_schema.columnswheretable_schema=database()andtable_name='user'; #查询列名selectname,passwordfromuser; #获取用户名和密码列 3、漏洞危害 攻击...
8.字符串操作（String Manipulation）SQL提供了各种字符串函数，用于操作和转换文本数据。像CONCAT、SUBSTRIN...
SQL_COLUMN_ALIAS SQL_CORRELATION_NAME SQL_CREATE_ASSERTION SQL_CREATE_CHARACTER_SET SQL_CREATE_COLLATION SQL_CREATE_DOMAIN SQL_CREATE_SCHEMA SQL_CREATE_TABLE SQL_CREATE_TRANSLATION SQL_DDL_INDEX SQL_DROP_ASSERTION SQL_DROP_CHARACTER_SET SQL_DROP_COLLATION SQL_DROP_DOMAIN SQL_DROP_SCHEMA SQL_DROP_...
[SugarColumn(IsJson=true)]//添加特性 public List<Order> JsonObj{get;set;}函数名 说明 兼容 SqlFunc.JsonLike 模糊查询,兼容所有库,性能一般适合小数据处理 SqlFunc.JsonLike(it.JsonObj,"a") 等于Like '%a%' 支持所有数据库 SqlFunc.JsonField 注意:大小写要一样 (1)查询Id的值{id:1} Sql...
SELECTA.column_name,B.column_nameFROMtable_AACROSSJOINtable_BB;使用递归查询处理树状结构数据：WITH...
4.字符串可以转换成16进制 select concat(group_concat(distinct+column_name)) from information_schema.columns where table_name=0x696e666f; 报错注入 https://xz.aliyun.com/t/7318 首选floor,其他可能会冲突 原理: 重复键冲突
指定ORGANIZE BY COLUMN 子句搭配 CREATE TABLE 陳述式 將DFT_TABLE_ORG 資料庫配置參數設為 COLUMN,然後在不含 ORGANIZE BY ROW 子句的情況下呼叫 CREATE TABLE 陳述式 如果嘗試建立直欄組織表格,同時在資料庫中啟用直欄組織表格不支援的功能,即會傳回此訊息。執行時期記號 functionality-keyword 指出不相容功能的本...
SQL_COLUMN_ALIAS SQL_CORRELATION_NAME SQL_CREATE_ASSERTION SQL_CREATE_CHARACTER_SET SQL_CREATE_COLLATION SQL_CREATE_DOMAIN SQL_CREATE_SCHEMA SQL_CREATE_TABLE SQL_CREATE_TRANSLATION SQL_DDL_INDEX SQL_DROP_ASSERTION SQL_DROP_CHARACTER_SET SQL_DROP_COLLATION SQL_DROP_DOMAIN SQL_DROP_SCHEMA SQL_DROP_...