sql-function

问题 I can count total user created functions in SQL Server using SELECT COUNT(*) FROM information_schema.routines WHERE routine_type = 'FUNCTION' But this returns all functions whether it be a scalar-valued function, an inline function or a table-valued function Is there a way to obtain a count specific to the type of function? E.g. count inline functions only? 回答1: This distinction you are after is specific to SQL Server and probably not covered by the information_schema standard. You need to

问题 I'm trying to use dbfunction from EF6 on database MySQL but I get the follow exception "FUNCTION database.DiffDays does not exist". I used this code: var aux = bd.Atos.Where(w => w.IdAtivo == 1 && w.IdUtilizador == idUtilizador && DbFunctions.DiffDays(DbFunctions.AddDays(w.Data, w.NumDias).Value, DateTime.Now).Value < numeroDias) What I'm missing? 来源： https://stackoverflow.com/questions/24442260/function-database-adddays-does-not-exist

问题 I'm trying to use dbfunction from EF6 on database MySQL but I get the follow exception "FUNCTION database.DiffDays does not exist". I used this code: var aux = bd.Atos.Where(w => w.IdAtivo == 1 && w.IdUtilizador == idUtilizador && DbFunctions.DiffDays(DbFunctions.AddDays(w.Data, w.NumDias).Value, DateTime.Now).Value < numeroDias) What I'm missing? 来源： https://stackoverflow.com/questions/24442260/function-database-adddays-does-not-exist

问题 Can you help me rectify this block of code plz? `CREATE OR REPLACE FUNCTION TABLE_EXISTS(name VARCHAR(50)) RETURNS BOOLEAN AS BEGIN DECLARE counttable INTEGER; SELECT COUNT(1) INTO counttable FROM USER_TABLES WHERE TABLE_NAME=name; if counttable=0 then return false else return true end if; END; / IF (TABLE_EXISTS("LEADS_DELETED")) then DROP TABLE LEADS_DELETED; end if; / CREATE GLOBAL TEMPORARY TABLE LEADS_DELETED ( ID NUMBER(19), PRIMARY KEY (ID) ) ON COMMIT DELETE ROWS` 回答1: You can use a

来源： https://stackoverflow.com/questions/63637471/oracle-function-compiles-successfully-but-throws-error-ora-06550-is-not-a-proce

问题 I dont know whats wrong but my code dont output the paid amount column $payment_tbl = TableRegistry::get("MembershipPayment"); $payments = $payment_tbl->find(); $payments->select(['payment_total'=> $payments->func()->sum('paid_amount')]); $this->set("payments",$payments); and then echo this as echo $payments->payment_total; 回答1: $payments will be a query result object, not a single result. With this query, where you're expecting just a single row, add ->first() after your sum call. In general

问题 I dont know whats wrong but my code dont output the paid amount column $payment_tbl = TableRegistry::get("MembershipPayment"); $payments = $payment_tbl->find(); $payments->select(['payment_total'=> $payments->func()->sum('paid_amount')]); $this->set("payments",$payments); and then echo this as echo $payments->payment_total; 回答1: $payments will be a query result object, not a single result. With this query, where you're expecting just a single row, add ->first() after your sum call. In general

问题 sql2005 This is my simplified example: (in reality there are 40+ tables in here, I only showed 2) I got a table called tb_modules, with 3 columns (id, description, tablename as varchar): 1, UserType, tb_usertype 2, Religion, tb_religion (Last column is actually the name of a different table) I got an other table that looks like this: tb_value (columns:id, tb_modules_ID, usertype_OR_religion_ID) values: 1111, 1, 45 1112, 1, 55 1113, 2, 123 1114, 2, 234 so, I mean 45, 55, 123, 234 are usertype

问题 I'm new to SQL functions and trying to create a calendar table that displays custom week numbers, with each week starting with Saturday and ending on Friday. The first week of each year always contains Feb.1st of that year. For example, if the day of the week of Feb. 1st for a particular year is Tuesday, then the first week for that year is from Jan. 29 to Feb. 4 . I've been struggling with this problem for a couple days and the only solution I can come up with is as follows: First, I created

问题 I'm new to SQL functions and trying to create a calendar table that displays custom week numbers, with each week starting with Saturday and ending on Friday. The first week of each year always contains Feb.1st of that year. For example, if the day of the week of Feb. 1st for a particular year is Tuesday, then the first week for that year is from Jan. 29 to Feb. 4 . I've been struggling with this problem for a couple days and the only solution I can come up with is as follows: First, I created