大约有 1,948 项符合查询结果(耗时:0.0200秒) [XML]

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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?

... DECIMAL is the MySQL data-type for exact arithmetic. Unlike FLOAT its precision is fixed for any size of number, so by using it instead of FLOAT you might avoid precision errors when doing some calculations. If you were just storing and ret...
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How to get the sizes of the tables of a MySQL database?

I can run this query to get the sizes of all tables in a MySQL database: 16 Answers 16...
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Does MySQL foreign_key_checks affect the entire database?

When I execute this command in MySQL: 6 Answers 6 ...
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MySQL Great Circle Distance (Haversine formula)

...script that gets Longitude and Latitude values and then inputs them into a MySQL query. I'd like to make it solely MySQL. Here's my current PHP Code: ...
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]

...l meaning when it's naked or in double quoted strings: use single quotes. MYSQL='mysql AMORE -u username -ppassword -h localhost -e' QUERY="SELECT "'*'" FROM amoreconfig" ;# <-- "double"'single'"double" eval $MYSQL "'$QUERY'" Bonus: It also reads nice: eval mysql query ;-) ...
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Convert JS date time to MySQL datetime

Does anyone know how to convert JS dateTime to MySQL datetime? Also is there a way to add a specific number of minutes to JS datetime and then pass it to MySQL datetime? ...
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How to get all columns' names for all the tables in MySQL?

Is there a fast way of getting all column names from all tables in MySQL , without having to list all the tables? 10 Answe...
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AWS MySQL RDS vs AWS DynamoDB [closed]

I've been using MySQL for a fair while now and I'm comfortable with its structure & SQL Queries etc. 4 Answers ...
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Cannot use identity column key generation with ( TABLE_PER_CLASS )

... Is this issue is with MySql only or its regular as I watch one of a video for Table per class approach and it was working fine in that postgres was used – Prashant Jan 22 '14 at 5:47 ...
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SQL (MySQL) vs NoSQL (CouchDB) [closed]

...then 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. ...