大约有 6,000 项符合查询结果(耗时:0.0181秒) [XML]
Non-Relational Database Design [closed]
...d in hearing about design strategies you have used with non-relational "nosql" databases - that is, the (mostly new) class of data stores that don't use traditional relational design or SQL (such as Hypertable, CouchDB, SimpleDB, Google App Engine datastore, Voldemort, Cassandra, SQL Data Services...
Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac
...uery method instead.
List<String> strLst = getJdbcTemplate().query(sql,new RowMapper {
public Object mapRow(ResultSet rs, int rowNum) throws SQLException {
return rs.getString(1);
}
});
if ( strLst.isEmpty() ){
return null;
}else if ( strLst.size() == 1 ) { // list contains ...
Combining “LIKE” and “IN” for SQL Server [duplicate]
Is it possible to combine LIKE and IN in a SQL Server-Query?
6 Answers
6
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What happens if you don't commit a transaction to a database (say, SQL Server)?
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Keep in mind that SQL Server Management Studio auto commits if you close the query window/connection, by default.
– Nuno
Sep 11 '15 at 9:37
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Convert a string to int using sql query
How to convert a string to integer using SQL query on SQL Server 2005?
4 Answers
4
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How to specify a port number in SQL Server connection string?
I use the following connection string in SQL Server Management Studio. It failed to connect:
4 Answers
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What are the main performance differences between varchar and nvarchar SQL Server data types?
I'm working on a database for a small web app at my school using SQL Server 2005 .
I see a couple of schools of thought on the issue of varchar vs nvarchar :
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How do you clear the SQL Server transaction log?
I'm not a SQL expert, and I'm reminded of the fact every time I need to do something beyond the basics. I have a test database that is not large in size, but the transaction log definitely is. How do I clear out the transaction log?
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Getting the minimum of two values in SQL
...he other is called OwedPast . They are both results of some subqueries in SQL. How can I select the smaller of the two and return it as a value titled PaidForPast ?
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How do you change the datatype of a column in SQL Server?
... to change a column from a varchar(50) to a nvarchar(200) . What is the SQL command to alter this table?
8 Answers
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