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select into in mysql
I am a MSSQL user and now I am converting my database to MySQL. I am writing the following query in MySQL:
2 Answers
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SQLiteDatabase.query method
...By using the Where/Bind -Args version you get automatically escaped values and you don't have to worry if input-data contains '.
Unsafe: String whereClause = "column1='" + value + "'";
Safe: String whereClause = "column1=?";
because if value contains a ' your statement either breaks and you get ex...
What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
...at are the different cases when we use these three? Where should I use one and where should I not?
9 Answers
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dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
...t without the .. in the middle. Changing this value is important if you've converted a target from one OS to the other.
– Matt Gallagher
Apr 29 '18 at 10:50
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How to recover MySQL database from .myd, .myi, .frm files
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I found a solution for converting the files to a .sql file (you can then import the .sql file to a server and recover the database), without needing to access the /var directory, therefore you do not need to be a server admin to do this either.
It...
How do I delete from multiple tables using INNER JOIN in SQL server
...table.
As a side note, you can also do inserted.* on an insert statement, and both inserted.* and deleted.* on an update statement.
EDIT:
Also, have you considered adding a trigger on table1 to delete from table2 + 3? You'll be inside of an implicit transaction, and will also have the "inserted." ...
How can I check if multiplying two numbers in Java will cause an overflow?
I want to handle the special case where multiplying two numbers together causes an overflow. The code looks something like this:
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How do I programmatically change file permissions?
In Java, I'm dynamically creating a set of files and I'd like to change the file permissions on these files on a linux/unix file system. I'd like to be able to execute the Java equivalent of chmod . Is that possible Java 5? If so, how?
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Reading header data in Ruby on Rails
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Rails now attaches HTTP_ to the header as well as converting it to all caps so it would now be:
request.headers["HTTP_CONTENT_TYPE"]
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How can I turn a List of Lists into a List in Java 8?
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You can use flatMap to flatten the internal lists (after converting them to Streams) into a single Stream, and then collect the result into a list:
List<List<Object>> list = ...
List<Object> flat =
list.stream()
.flatMap(List::stream)
.collec...