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How can I make SQL case sensitive string comparison on MySQL?

... @BT To make utf8 column case sensitive you could use bin colation like: SELECT 'email' COLLATE utf8_bin = 'Email' – piotrekkr Apr 23 '13 at 11:43 ...
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Generate list of all possible permutations of a string

...re x and y is how you define them and r is the number of characters we are selecting from --if I am understanding you correctly. You should definitely generate these as needed and not get sloppy and say, generate a powerset and then filter the length of strings. The following definitely isn't the b...
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T-SQL split string

...ers on StackOverflow but none of them works in R2. I have made sure I have select permissions on any split function examples. Any help greatly appreciated. ...
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How to create Android Facebook Key Hash?

...of your app on facebook. To get there, go to developers.facebook.com/apps, select your app, go to Edit settings and scroll down. After that, wait a few minutes until the changes take effect. share | ...
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]

... EXEC sp_MSForEachTable @command1='INSERT #counts (table_name, row_count) SELECT ''?'', COUNT(*) FROM ?' SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC DROP TABLE #counts The output will be a list of tables and their row counts. If you just want the total row count...
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How to read the output from git diff?

... On my mac: info diff then select: Output formats -> Context -> Unified format -> Detailed Unified : Or online man diff on gnu following the same path to the same section: File: diff.info, Node: Detailed Unified, Next: Example Unified...
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Why is the gets function so dangerous that it should not be used?

...deal would have been to have a "string pointer" identify a byte that would select among a few different string/buffer/buffer-info formats, with one value of prefix byte indicating a struct that contained the prefix byte [plus padding], plus the buffer size, used size, and address of the actual text....
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ROW_NUMBER() in MySQL

...asy, but actually it kind of isn't). I often plump for a null-self-join: SELECT t0.col3 FROM table AS t0 LEFT JOIN table AS t1 ON t0.col1=t1.col1 AND t0.col2=t1.col2 AND t1.col3>t0.col3 WHERE t1.col1 IS NULL; “Get the rows in the table for which no other row with matching col1,col2 has a hi...
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初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...插件目录我们能看到innodb_engine.so和libmemcached.so: mysql> SELECT @@plugin_dir; +------------------------------+ | @@plugin_dir | +------------------------------+ | /usr/local/mysql/lib/plugin/ | +------------------------------+ 此外还需要导入Memcached插...
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How to drop SQL default constraint without knowing its name?

...MySchema' set @table_name = N'Department' set @col_name = N'ModifiedDate' select @Command = 'ALTER TABLE ' + @schema_name + '.[' + @table_name + '] DROP CONSTRAINT ' + d.name from sys.tables t join sys.default_constraints d on d.parent_object_id = t.object_id join sys.columns c on c.object_id ...