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Checking oracle sid and database name

... I presume SELECT user FROM dual; should give you the current user and SELECT sys_context('userenv','instance_name') FROM dual; the name of the instance I believe you can get SID as SELECT sys_context('USERENV', 'SID') FROM DUAL; ...
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Find all tables containing column with specified name - MS SQL Server

... Search Tables: SELECT c.name AS 'ColumnName' ,t.name AS 'TableName' FROM sys.columns c JOIN sys.tables t ON c.object_id = t.object_id WHERE c.name LIKE '%MyName%' ORDER BY TableName ,C...
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MySQL combine two columns into one column

...does not start with a digit, then the converted value is 0. So try this: select concat(column1, column2) Two ways to add a space: select concat(column1, ' ', column2) select concat_ws(' ', column1, column2) share ...
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SQLite - UPSERT *not* INSERT or REPLACE

... (id, role, name) VALUES ( 1, 'code monkey', (SELECT name FROM Employee WHERE id = 1) ); This will update 2 of the columns. When ID=1 exists, the ROLE will be unaffected. When ID=1 does not exist, the role will be set to 'Benchwarmer' instead of the default v...
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Formatting Numbers by padding with leading zeros in SQL Server

... Change the number 6 to whatever your total length needs to be: SELECT REPLICATE('0',6-LEN(EmployeeId)) + EmployeeId If the column is an INT, you can use RTRIM to implicitly convert it to a VARCHAR SELECT REPLICATE('0',6-LEN(RTRIM(EmployeeId))) + RTRIM(EmployeeId) And the code to re...
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Store query result in a variable using in PL/pgSQL

... I think you're looking for SELECT INTO: select test_table.name into name from test_table where id = x; That will pull the name from test_table where id is your function's argument and leave it in the name variable. Don't leave out the table name pre...
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Left Join With Where Clause

...ring away rows where the left join doesn't succeed. Move it to the join: SELECT `settings`.*, `character_settings`.`value` FROM `settings` LEFT JOIN `character_settings` ON `character_settings`.`setting_id` = `settings`.`id` AND `character_settings`.`character_id` = '1' ...
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SQL Server - Create a copy of a database table and place it in the same database?

... Use SELECT ... INTO: SELECT * INTO ABC_1 FROM ABC; This will create a new table ABC_1 that has the same column structure as ABC and contains the same data. Constraints (e.g. keys, default values), however, are -not- copied. ...
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MySQL DROP all tables, ignoring foreign keys

... these tweaks: Limit the generated drops to your database like this: SELECT concat('DROP TABLE IF EXISTS `', table_name, '`;') FROM information_schema.tables WHERE table_schema = 'MyDatabaseName'; Note 1: This does not execute the DROP statements, it just gives you a list of them. You will n...
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How to add ASP.NET 4.0 as Application Pool on IIS 7, Windows 7

...t to Windows 7. One of the things that I need to run the application is to select ASP.NET v4.0 as the application pool within IIS. ...