大约有 40,000 项符合查询结果(耗时:0.0278秒) [XML]

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How do I set the value property in AngularJS' ng-options?

...following forms: For array data sources: label for value in array select as label for value in array label group by group for value in array select as label group by group for value in array track by trackexpr For object data sources: label for (key , value) in object select as la...
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How do I list all tables in a schema in Oracle SQL?

... schema, you need to have one or more of the following system privileges: SELECT ANY DICTIONARY (SELECT | INSERT | UPDATE | DELETE) ANY TABLE or the big-hammer, the DBA role. With any of those, you can select: SELECT DISTINCT OWNER, OBJECT_NAME FROM DBA_OBJECTS WHERE OBJECT_TYPE = 'TABLE' ...
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Check if table exists in SQL Server

...nge from version to version. To check if a table exists use: IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'TheSchema' AND TABLE_NAME = 'TheTable')) BEGIN --Do Stuff END ...
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How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?

... SELECT n.nspname as "Schema", p.proname as "Name", pg_catalog.pg_get_function_result(p.oid) as "Result data type", pg_catalog.pg_get_function_arguments(p.oid) as "Argument data types", CASE WHEN p.proisagg THEN 'agg'...
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resizes wrong; appears to have unremovable `min-width: min-content`

I have a <select> where one of its <option> ’s text values is very long. I want the <select> to resize so it is never wider than its parent, even if it has to cut off its displayed text. max-width: 100% should do that. ...
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Can I concatenate multiple MySQL rows into one field?

... You can use GROUP_CONCAT: SELECT person_id, GROUP_CONCAT(hobbies SEPARATOR ', ') FROM peoples_hobbies GROUP BY person_id; As Ludwig stated in his comment, you can add the DISTINCT operator to avoid duplicates: SELECT person_id, GROUP_CONCAT(DISTINCT ...
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Combining “LIKE” and “IN” for SQL Server [duplicate]

... Effectively, the IN statement creates a series of OR statements... so SELECT * FROM table WHERE column IN (1, 2, 3) Is effectively SELECT * FROM table WHERE column = 1 OR column = 2 OR column = 3 And sadly, that is the route you'll have to take with your LIKE statements SELECT * FROM tabl...
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In SQL, how can you “group by” in ranges?

...version. Here are the correct versions of both of them on SQL Server 2000. select t.range as [score range], count(*) as [number of occurences] from ( select case when score between 0 and 9 then ' 0- 9' when score between 10 and 19 then '10-19' else '20-99' end as range from scores)...
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How to list active / open connections in Oracle?

... Error starting at line 1 in command: select * from FROM v$session Error at Command Line:1 Column:14 Error report: SQL Error: ORA-00903: invalid table name 00903. 00000 - "invalid table name" *Cause: *Action: – pistacchio ...
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jQuery - setting the selected value of a select control via its text description

I have a select control, and in a javascript variable I have a text string. 21 Answers ...