having
Select rows where ColA=ColB and also add a new column that tells whether the original data in ColA is repeated
I am trying to figure out how to query a table (the table is actually a result set, so it will be a subquery), group it by ColA=ColB (see below), and create a calculated field all in one step.[详细]
2023-02-27 07:31 分类：问答PostgreSQL: having clause not working as expected
I have a user DE9013 with two positive ratings in an SQL-table: # select * from pref_rep where id=\'DE9013\';[详细]
2023-02-25 12:14 分类：问答sql: how to select a row with a true value from a column of boolean values after the HAVING clause
HI have 3 product tables, each with 3 columns namely customer name, and boolean optout and blacklist. After the Having clause, there will be 3 rows for each customer name (assuming he has all 3 produc[详细]
2023-02-25 08:22 分类：问答Does MySQL use indexes on Having?
A portion of my query looks like: HAVING date > \'2011-04-13 04:28:03\' The date variable is indexed, does this have any effect on the query?[详细]
2023-02-24 06:58 分类：问答Select rows using GROUP BY and HAVING with aggregate function
I have a table filled with bus stops. Each stop has a line_id, a direction and coordinates (lat and lng).[详细]
2023-02-20 21:41 分类：问答mysql force order of results found to match order of IN clause
This question is different to a commonly asked question about ordering the final results by the IN clause.[详细]
2023-02-20 07:17 分类：问答MySQL joins and COUNT(*) from another table
I have two tables: groups and group_members. The groups table contains all the information for each group, such as its ID, title, description, etc.[详细]
2023-02-08 02:42 分类：问答Linq extract a count() value from a data object
I have divAssignments that has potential multiple rows by rNI, an official id, according to a compound key of Indictment and booking numbers.[详细]
2023-02-01 01:04 分类：问答How do I count MySQL entries with a HAVING criterion
So usually you can just do SELECT COUNT(field.id) FROM table WHERE field.id >开发者_开发技巧; 100[详细]
2023-01-17 06:01 分类：问答Return all row having a maximum value
I\'m using entity framework to connect the database. I\'ve a table(Let\'s call it \"File\") that haves several fields:[详细]
2023-01-15 04:48 分类：问答
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