select t.document_type, t.payment_unit ,t.cust_name_cn ,count(1) 发票统计, group_concat( '发票号码:', ((CASE t.document_type WHEN '1' THEN t.invoice_no else 0 END )) , ';金额', ((CASE t.document_type WHEN '1' THEN t.amount_total else 0 END )) Separator '| ') 专票0,...
In last week’sGetting Advanced Row Counts in MySQL (Part 2)blog we employed the native COUNT() function to tally unique values as well as those which satisfy a condition. In today’s final third instalment, we’ll learn how to obtain row counts from all of the tables within...
I have view that coverts above table to horizontal form using group_concat function Converting above data in horizontal form :- 1, (A,B) 2, (A,B,A) 3, (A) 4, (A,B,C,D) 5, (A,A,Z) 6, (B,A) Is it better to store data in table with 2 columns Key_id and attr (json...
In MySQL, it is very easy to use this extra column: SELECT * FROM tbl_name WHERE hash_col=MD5(CONCAT(val1,val2)) AND col1=val1 AND col2=val2;Suppose that a table has the following specification: CREATE TABLE test ( id INT NOT NULL, last_name CHAR(30) NOT NULL, first_name...
Because of the LEFT JOINS put the criteria in the join condition SELECT tblmember.MemberName as `a`, tblmember.MembershipType, tblmember.FamilyName, tblspouse.MemberName as `b` , GROUP_CONCAT(tblchildren.MemberName) as `c`, FROM tblmember ...
group_concat in SQL Server 2012 with ORDER BY another column Grouping by first four characters Grouping Records into buckets of 15 minutes ... GUIA - Como buscar una columna en todas las tablas / GUIDE - How to search a column in all tables Handle Date Time with Null Values Handling Datet...
组\u concat中的multiple coalesce-将显示值我不确定只是COALESCE这就足够了，正如@timbiegeleisen所说-...
'Input string was not in a correct format' when linking a view 'object' does not contain a definition for 'id' 'System.Array' does not contain a definition for 'FirstOrDefault' 'System.Char' does not contain a property with the name 'ID'. 'System.Data.DataException' occurred in Entity...
Similar to creating TiFlash replicas for tables, you can send a DDL statement to TiDB through a MySQL client to create a TiFlash replica for all tables in a specific database: {{< copyable "sql" >}} ```sql ALTER DATABASE db_name SET TIFLASH REPLICA count; ``` In this statement, `...
SELECT u.name AS "Name", u.username AS "Username", u.email AS "Email", group_concat(a.role order by a.role) roles, DATE_FORMAT(u.lastvisitDate, '%W %M %e, %X' ) AS "Last Visit", DATE_FORMAT(u.registerDate, '%W %M %e, %X' ) AS "Registration Date", c.cb_companyname AS...