Calculate stock ageing with SQL query Calculate the date of the Next Sunday of current week Calculate the number of workdays in a month Calculate the Numerator and Denominator in 1 query Calculate the ratio bet
(owner) number_of_objects from dba_objects group by owner order by number_of_objects desc; *** 实用/数学 相关的查询 *** -- 38、把数值转换成文字 -- 更多信息查看:http://viralpatel.net/blogs/convert-number-into-words-oracle-sql-query/ select to_char (to_date (1526, 'j'), 'jsp'...
5、查看物化视图 复制代码 set line 200; set pagesize 20000; col owner for a15; col mview_name for a30; col query for a60; select owner,mview_name,refresh_method,last_refresh_date,compile_state from dba_mviews; #如果要看具体语句,可以通过query字段查看 三、附录 物化视图是一种特殊的物理表...
To work in months or years, given that neither can be expressed in a constant number of days (bearing in mind given leap years and months with different numbers of days), you need the ADD_MONTHS function. To add twelve months to a date:SELECT...
CREATE EXTERNAL TABLE [inventory_ora] ([inv_date] DECIMAL(10,0) NOT NULL, [inv_item] DECIMAL(10,0) NOT NULL, [inv_warehouse] DECIMAL(10,0) NOT NULL, [inv_quantity_on_hand] DECIMAL(10,0)) WITH (DATA_SOURCE=[OracleSalesSrvr], LOCATION='<oracle_service_name,nvarchar(30),xe>.<orac...
DATE 支持 支持 支持 TIMESTAMP 支持 支持 支持 TIMESTAMP WITH TIME ZONE 支持 支持 不支持 TIMESTAMP WITH LOCAL TIME ZONE 支持 支持 不支持 CLOB 支持 支持 支持 BLOB 支持 支持 支持 RAW 支持 支持 支持 ROWID 不支持 不支持 支持 UROWID 不支持 不支持 支持 FLOAT 支持 支持 支持 INTERVAL DAY TO SECO...
of shared pool memory, set the parameter to 76m.Migration utilities for this release recommend new values forSHARED_POOL_SIZEbased on the value of internal SGA overheads in the pre-upgrade environment, which you can determine by running the following query before upgrading to Oracle Database 10g...
number-into-words-oracle-sql-query select to_char (to_date (1526, 'j'), 'jsp') from dual; -- 输出:one thousand fivehundred twenty-six - 39、在包的源代码中查询字符串 -- 这个查询语句会在所有包的源代码上搜索‘FOO_SOMETHING’ 可以帮助用户在源代码中查找特定的存储过程或者是函数...
For DATE and TIMESTAMP data types, the functions available are COUNT(), COUNT (DISTINCT()), MAX(), MEDIAN(), MIN(), STATS_MODE(). Enhancement to JSON Query Node The JSON Query node allows to specify filter conditions on attributes with data types such as ARRAY, BOOLEAN, NUMBER and ...
TO_CHAR(DATE字段名,'YYYY-MM-DD HH24:MI:SS') NVL(EXPR1, EXPR2)函数 解释: IF EXPR1=NULL RETURN EXPR2 ELSE RETURN EXPR1 DECODE(AA﹐V1﹐R1﹐V2﹐R2...)函数 解释: IF AA=V1 THEN RETURN R1 IF AA=V2 THEN RETURN R2 ..… ELSE...