Labels: None Bug Fix Policy: View Atlassian Server bug fix policy In Oracle, you can't use "distinct" in queries on tables with CLOB types. Hibernate isn't aware of this, a known bug:https://hibernate.atlassian.net/browse/HHH-3606 ...
A visual that requests a distinct count of CustomerAccountNumber from the SQL Server table by Product Managers imported from the spreadsheet would need to pass in the details from the Product Managers table in the query sent to SQL Server. Over other sources, Redshift, for example, this action...
多表关联查询时,小表在前,大表在后(小表驱动大表) 在MySQL中,执行 from 后的表关联查询是从左往右执行的(Oracle相反),第一张表会涉及到全表扫描,所以将小表放在前面,先扫小表,扫描快效率较高,在扫描后面的大表,或许只扫描大表的前100行就符合返回条件并return了。 例如:表A有100条数据,表B有1000万条数...
将DISTINCT与UNION/UNION ALL一起使用 [ID] SELECT DISTINCT a.[X], a.[Y], c.[Z] FROM [A] a JOIN [C] c ON a.[ID] = c.[ID] SELECT DISTINCT a.[X], a.[Y], d.[Z] FROM [A] a JOIN [D] d ON a.[ID] = d.[ID] 浏览13提问于2013-11-01得票数 0 1回答 ...
Vous pouvez utiliser le même fichier de réponses en mode silencieux dans différents environnements même lorsque chacun de ces derniers possède un ensemble de mots de passe distinct pour la base de données, WebLogic et l'administrateurOracle Hyperion Shared Services. Pour des raisons de sécurit...
C# generate a 15 digit always distinct numeric value C# Get a file name from Base64 string C# Get all text displayed in a different window C# Get Available IP From CIDR C# get content of invoke powershell command C# get local IP but IPAddress.AddressFamily has many IPs c# get the current...
EXPLAIN SELECT DISTINCT a.col1 FROM tab1 a INNER JOIN tab2 b ON a.col1 = b.col1 WHERE b.col2 in ('value1', 'value2') ORDER BY a.col1 ; +---+---+---+---+---+---+---+---+---+---+ | id | select_type | table | type | possible_keys | key | key_len |...
1MERGEINTOFact12USING (SELECTDISTINCTC3.N1, C3.N23FROMT1, T2, T34WHERET1.N1=T2.N15ANDT2.N1=T3.N16ANDT2.N2=T3.N2) t7ON(Fact1.N1=t.N1ANDFact1.N2=t.N2)8WHENMATCHEDTHEN9UPDATESET..10WHENNOTMATCHEDTHEN11INSERT..;12COMMIT;
A. Working With Oracle Configuration Manager B. Using the Device Driver Utility IndexAutomated Installer Use Cases The following use cases describe the primary distinct ways to use AI. These use cases do not build on each other. Instead, each case describes a separate feature of AI, and all ...
tab2 has the PK on (col1, col2), but your query is looking for DISTINCT values of (col1, col2) for tab1. There is no compound index for them on tab1, nor do the ON/WHERE clauses indicate that col2 is the same in both tables. Perhaps a typo?