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How to set initial value and auto increment in MySQL?
How do I set the initial value for an "id" column in a MySQL table that start from 1001?
10 Answers
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Difference between left join and right join in SQL Server [duplicate]
...ed completely interchangeable. Try however Table2 left join Table1 (or its identical pair, Table1 right join Table2) to see a difference. This query should give you more rows, since Table2 contains a row with an id which is not present in Table1.
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T-SQL stored procedure that accepts multiple Id values
Is there a graceful way to handle passing a list of ids as a parameter to a stored procedure?
6 Answers
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What are sessions? How do they work?
...t good in case you don't want that data to be readable/editable on client side.
The solution is to store that data server side, give it an "id", and let the client only know (and pass back at every http request) that id. There you go, sessions implemented. Or you can use the client as a convenient ...
How to pass table value parameters to stored procedure from .net code
... to a stored proc as an nvarchar (separated by commas) and internally divide into single values. I add it to the SQL command parameters list like this:
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Drop all tables whose names begin with a certain string
...lution may also delete tables created by SQL Server! My solution below avoids this and deletes tables in foreign key dependency order.
– Tony O'Hagan
Jul 19 '15 at 1:15
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how to show progress bar(circle) in an activity having a listview before loading the listview with d
...rminateVisibility(true);
And after you are done displaying the list, to hide it.
setProgressBarIndeterminateVisibility(false);
IN THE LAYOUT (The XML)
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:orien...
PostgreSQL Autoincrement
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Yes, SERIAL is the equivalent function.
CREATE TABLE foo (
id SERIAL,
bar varchar);
INSERT INTO foo (bar) values ('blah');
INSERT INTO foo (bar) values ('blah');
SELECT * FROM foo;
1,blah
2,blah
SERIAL is just a create table time macro around sequences. You can not alter SERIAL...
Is it possible to rename a maven jar-with-dependencies?
...property to give the jar the name you want, and specify that appendAssemblyId should be false to avoid the "jar-with-dependencies" suffix.
The configuration below will output a jar called "test.jar"
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.2-be...
SQL Joins Vs SQL Subqueries (Performance)?
...vary. The speed will depend a lot on indexes (do you have indexes on both ID columns? That will help a lot...) among other things.
The only REAL way to tell with 100% certainty which is faster is to turn on performance tracking (IO Statistics is especially useful) and run them both. Make sure to...