大约有 3,551 项符合查询结果(耗时:0.0356秒) [XML]

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How can one see the structure of a table in SQLite? [duplicate]

How can I see the structure of table in SQLite as desc was in Oracle? 8 Answers 8 ...
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Can you have if-then-else logic in SQL? [duplicate]

... You can make the following sql query IF ((SELECT COUNT(*) FROM table1 WHERE project = 1) > 0) SELECT product, price FROM table1 WHERE project = 1 ELSE IF ((SELECT COUNT(*) FROM table1 WHERE project = 2) > 0) SELECT product, price FROM ...
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Measure the time it takes to execute a t-sql query

I have two t-sql queries using SqlServer 2005. How can I measure how long it takes for each one to run? 6 Answers ...
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Sql Server equivalent of a COUNTIF aggregate function

... (I know the OP asked about MS SQL, but just a tiny comment for SQLite users doing the same thing) SQLite has no ISNULL, instead you can do CASE WHEN myColumn IS NULL, or use ifnull ( stackoverflow.com/a/799406/1861346 ) – Matt ...
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SQL WHERE.. IN clause multiple columns

I need to implement the following query in SQL Server: 13 Answers 13 ...
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SQL exclude a column using SELECT * [except columnA] FROM tableA?

... - especially because grouping will be involved. – VISQL Oct 9 '12 at 21:41 2 Very nice. Sure so...
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SQL (MySQL) vs NoSQL (CouchDB) [closed]

...en things like a lot of their messages, comments etc. I have always used MySQL before but now I am minded to try something new like couchdb or similar which is not SQL. ...
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How to see the values of a table variable at debug time in T-SQL?

Can we see the values (rows and cells) in a table valued variable in SQL Server Management Studio (SSMS) during debug time? If yes, how? ...
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Can we have multiple “WITH AS” in single sql - Oracle SQL

...d a very simple question: Does oracle allow multiple "WITH AS" in a single sql statement. 4 Answers ...
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Connection to SQL Server Works Sometimes

...same error message. To enable TCP/IP for additional IP addresses: Start Sql Server Configuration Manager Open the node SQL Server Network Configuration Left-click Protocols for MYSQLINSTANCE In the right-hand pane, right-click TCP/IP Click Properties Select the IP Addresses tab For each listed IP...