Add an ID column to an already existing MySQL table?

Add an ID column to an already existing MySQL table?
by

1 Answer

Answer :

I’m not an expert on MySQL [@stewartwb?], but in SQLServer that works just fine. Add the column and set the identity property and it autogenerates. What happens when you try that in MySQL? Do you get an error? or does it just not populate?
by

Related questions

If I already know basic PHP/MySQL, what else should I learn to use Google App Engine?

Description : If I already know basic PHP/MySQL, what else should I learn to use Google App Engine?

Last Answer : answer:I am not an expert, I just started reading up on this myself, but here are a couple of starting points on data storage. Rather than a separately maintained SQL database, ... .com/appengine/articles/datastore/overview.html http://code.google.com/appengine/docs/python/datastore/overview.html

MySQL help!

Description : MySQL help!

Last Answer : answer:You spelled “propeller” wrong, for one thing. Table SERVICE_REQUEST has a primary key, SERVICE_ID, which is a DECIMAL field. In your attempt to load the table with the error record, the secondary key value you attempted to insert for SERVICE_ID, ‘7’ is a CHAR value. That’s a show-stopper.

Empty entries in a mysql/php5 site database,... why?

Description : Empty entries in a mysql/php5 site database,... why?

Last Answer : How are you migrating the database? What are you using to export and import?

MySQL order by primary key, put one row on top.

Description : MySQL order by primary key, put one row on top.

Last Answer : answer:If you can guarantee that there is only one or zero active records select * from presets order by active asc, id asc

MySQL Sort by every other row?

Description : MySQL Sort by every other row?

Last Answer : Couldn’t you just grab the males in a query and do the same for the females. Then loop through them in PHP. If that made any sense.

How do I do a MySQL Insert statement into 2 different tables?

Description : How do I do a MySQL Insert statement into 2 different tables?

Last Answer : sounds to me like two separate insert statements... or maybe i don't understand the question...

Good advanced MySQL tutorial?

Description : Good advanced MySQL tutorial?

Last Answer : I don’t know of a specific one but I know http://www.pixel2life.com/ has lots of web-related tutorials, I’ve always found it to be a great resource. Joining irritates me, covered it in SQL w/ Oracle, hated every minute of it! If I find anything in the mean time I’ll post it here.

How do I see if a Ruby symbol has already been defined?

Description : How do I see if a Ruby symbol has already been defined?

Last Answer : Your question seems a little odd. Can you pastie the code you’re looking at with some comments?

How can I add HTML markup to this ajax result?

Description : How can I add HTML markup to this ajax result?

Last Answer : Need Answer

How much does it cost to add notification system to Q&A site ?

Description : How much does it cost to add notification system to Q&A site ?

Last Answer : You need to use the plugin to turn on notifications on the Q&A site. If you want to use paid plugin it will cost a little and if you use free plugin then you can do it for free.

How do I add a category to my Wapkiz site ?

Description : How do I add a category to my Wapkiz site ?

Last Answer : [fm] d =: to-fid:, o = u, l = 5, s =: to-page:, no = no file || Code Name: % name% font> Code Size: [% size%] font> % hits% Download < [Download Now] b [/ fm]

How to add site map to Blogger ? What is a sitemap ?

Description : How to add site map to Blogger ? What is a sitemap ?

Last Answer : How to submit a Sitemap for Blogspot Blog: For this you will need a Gmail account and sign up for Google Webmaster Tools. First visit https://www.google.com/webmasters/tools/ . Log in with your Gmail ... -index = 1001 & max-results = 1500 Submit. You can also submit your sitemap to Bing Webmaster.

How can I create an ordered list of the most common substrings inside of a MySQL varchar column?

Description : How can I create an ordered list of the most common substrings inside of a MySQL varchar column?

Last Answer : SQL is definitely not my specialty but you can use regular expressions within your select statement is this something you want to pull on the fly each time though? It seems like as your data set grows it ... ve got me wondering if I can write one SQL statement for it though, let me take a look.

How can I search for a specific column name in MySQL?

Description : How can I search for a specific column name in MySQL?

Last Answer : SELECT table_name, column_name from information_schema.columns WHERE column_name LIKE 'Name';

If I am going to have a data table with million records and every record is going to be update every 30 seconds. Where should I save all this table data?

Description : If I am going to have a data table with million records and every record is going to be update every 30 seconds. Where should I save all this table data?

Last Answer : What I think is that you’d better be talking to professionals who have a stake in the answer they give, rather than a bunch of random strangers on the Interwebz.

In a school, a database named “school” is created in mysql whose password is “cbse”. Smith is trying to add a new record of a student having details -Technology

Description : In a school, a database named “school” is created in mysql whose password is “cbse”. Smith is trying to add a new record of a student having details -Technology

Last Answer : import mysql.connectormydb = mysql.connector.connect{host='localhost',user='root',passwd='cbse',database='school'}mycursor = mydb.cursor()mycursor.execute('INSERT INTO student values(3,'Michelle', 'Agartala');')mydb.commit()

Place three piles of matches on a table, one with 11 matches, the second with 7, and the third with 6. You are to move matches so that each pile holds 8 matches. You may add to any pile only as many matches as it already contains. All the matches must come from one other pile. For example, if a pile holds 6 matches, you may add 6 to it, no more or less. You have three moves. -Riddles

Description : Place three piles of matches on a table, one with 11 matches, the second with 7, and the third with 6. You are to move matches so that each pile holds 8 matches. You may add to any pile only as many ... a pile holds 6 matches, you may add 6 to it, no more or less. You have three moves. -Riddles

Last Answer : First pile to second; second to third; third to first:Pile Initial number First move Second move Third move First1111-7=444+4=8Second77+7=1414-6=88Third666+6=1212-4=8

How do I check for the existence of a particular MySQL table using PHP? (Using an IF statement.)

Description : How do I check for the existence of a particular MySQL table using PHP? (Using an IF statement.)

Last Answer : answer:I don't know of a preexisting function, so here's one I wrote real quick (untested): function checkTable ($table_name, $database_name) { $my_tables [equal] mysql_list_tables($database_name); while (list($foo) ... , your_database )) { // Table exists } else { // Table does not exist }

How to import a html table into mysql?

Description : How to import a html table into mysql?

Last Answer : Do you have a link to the table? Unless somebody is aware of a script that I haven’t come across, the script would be specific to the table and shouldn’t be too hard to write.

Write the code in python to read the contents of “number.csv” file consisting of data from a mysql table and print the data of the table -Technology

Description : Write the code in python to read the contents of “number.csv” file consisting of data from a mysql table and print the data of the table -Technology

Last Answer : f = open('numbers.csv', 'r') with f:reader = csv.reader(f)for row in reader:for e in row:print(e)

How do I enable single sign in to WordPress backend from my already existing website backend?

Description : How do I enable single sign in to WordPress backend from my already existing website backend?

Last Answer : As far as I’m concerned, just keep yourself logged in

When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment given is (A) Seal coat (B) Tack coat (C) Prime coat (D) Spray of emulsion

Description : When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment given is (A) Seal coat (B) Tack coat (C) Prime coat (D) Spray of emulsion

Last Answer : Answer: Option B

Some friends in college are already into personal budgeting and financial planning. I’d like to do it myself. Any help here?

Description : Some friends in college are already into personal budgeting and financial planning. I’d like to do it myself. Any help here?

Last Answer : Keep track of your spending over a month or two and categorize every dime. Use that information to decide what types of spending you can cut, then prepare a budget.

Do I need to program the VTech digital cordless phone for caller ID, or is it already set up for that?

Description : Do I need to program the VTech digital cordless phone for caller ID, or is it already set up for that?

Last Answer : The phone is shipped set up for both Caller-ID and Call Waiting services. The manual will instruct you on the procedures to be followed to add, delete and scroll through saved numbers. However ... and there may be an additional charge on your monthly phone bill to reflect these additional services.

How to connect a RCC tie beam with existing RCC foundation/ RCC column

Description : How to connect a RCC tie beam with existing RCC foundation/ RCC column

Last Answer : Need Answer

How can a break order be created on a column in an existing group? What are the various sub events a mouse double click event involves?

Description : How can a break order be created on a column in an existing group? What are the various sub events a mouse double click event involves?

Last Answer : By dragging the column outside the group.

How do I add a png to an existing pdf in Acrobat Pro 8?

Description : How do I add a png to an existing pdf in Acrobat Pro 8?

Last Answer : Could you just let it create the new file, delete the old and rename?

if i need more ram (for a laptop)do i have to replace it all together or can i add additional ram to supplement my existing ram?

Description : if i need more ram (for a laptop)do i have to replace it all together or can i add additional ram to supplement my existing ram?

Last Answer : It depends if you have more slots or not. What kind of laptop to do you have and what kind of RAM/how much do you have now?

How can I add original characters to an existing font?

Description : How can I add original characters to an existing font?

Last Answer : I know there are programs that let you make and edit fonts like Fontographer.

How much is it to add an iPhone to an existing iPhone contract?

Description : How much is it to add an iPhone to an existing iPhone contract?

Last Answer : yes…they have different family plans, you should call them

When correcting specific gravity readings of a lead-acid battery for existing temperature conditions, you should ______________. A. add 10 points for each 4° above 80°F B. subtract 10 points for each 4° above 80°F C. add 4 points for each 10° above 80°F D. add 4 points for each 10° below 80°F

Description : When correcting specific gravity readings of a lead-acid battery for existing temperature conditions, you should ______________. A. add 10 points for each 4° above 80°F B. subtract 10 points for each 4° above 80°F C. add 4 points for each 10° above 80°F D. add 4 points for each 10° below 80°F

Last Answer : Answer: C

Which type of PaaS allows to customize the existing SaaS platform? A. Stand-alone development environments B. Application delivery-only environments C. Open platform as a service D. Add-on development facilities

Description : Which type of PaaS allows to customize the existing SaaS platform? A. Stand-alone development environments B. Application delivery-only environments C. Open platform as a service D. Add-on development facilities

Last Answer : Add-on development facilities

How can you increase the capacity of an Oracle tablespace? Note: there are 2 correct answers in this question A. Resize the existing data file B. Add a new data file to the existing tablespace C. Enable compression of backup data using Oracle advanced compression D. Increase the value of the database parameter DB_BLOCK_SIZE

Description : How can you increase the capacity of an Oracle tablespace? Note: there are 2 correct answers in this question A. Resize the existing data file B. Add a new data file to ... compression of backup data using Oracle advanced compression D. Increase the value of the database parameter DB_BLOCK_SIZE

Last Answer : B. Add a new data file to the existing tablespace

Which of the following cannot be treated as revenue expenditure? A. Cost of goods purchased for resale. B. Wages paid for the erection of plant and machinery. C. Obsolescence cost. D. Expenses incurred by way of repairs of existing assets which do not in any way add to their earning capacity.

Description : Which of the following cannot be treated as revenue expenditure? A. Cost of goods purchased for resale. B. Wages paid for the erection of plant and machinery. C. Obsolescence cost. D. Expenses incurred by way of repairs of existing assets which do not in any way add to their earning capacity.

Last Answer : B. Wages paid for the erection of plant and machinery.

A project, which may not add to the existing profits, should be financed by _________ A. debentures. B. preference share capital. C. equity capital. D. public deposits.

Description : A project, which may not add to the existing profits, should be financed by _________ A. debentures. B. preference share capital. C. equity capital. D. public deposits.

Last Answer : A. debentures.

Setting up Skype - do I have to add a number for contacts or just their Skype ID?

Description : Setting up Skype - do I have to add a number for contacts or just their Skype ID?

Last Answer : No phone number required – just the ID. Neither party’s phone is involved in Skype.

Salesforce SDK uninstallation from XCode?

Description : Salesforce SDK uninstallation from XCode?

Last Answer : Too many variables – only you know your code, how it was written, and how extensible (or not) it was in the first place. I assume you have been to the Saleforce API and SDK pages.

Is there a program where you can identify music in a specific website?

Description : Is there a program where you can identify music in a specific website?

Last Answer : Need Answer

What is a good programming language to make a multiple choice quiz?

Description : What is a good programming language to make a multiple choice quiz?

Last Answer : Google classroom should work.

Is there a website that shows all the English words, idioms, etc ever invented, including archaic, unofficial, and newest words that have just been invented?

Description : Is there a website that shows all the English words, idioms, etc ever invented, including archaic, unofficial, and newest words that have just been invented?

Last Answer : The problem with such a lexicon would be that there have been a lot of slang, dialect, idioms, and unofficial words that 99% of people have never heard of. Besides that, the English language is ... pretty good vocabulary. Hopefully, someone will recommend some. I am unable to do this at the moment.

Function or application allowing me to connect or disconnect wifi?

Description : Function or application allowing me to connect or disconnect wifi?

Last Answer : Some routers - Belkins and older Ciscos, had an app that would allow you to remotely-control your router from your phone. You didn't say what kind of router you have, so it's hard to guess. You can ... . Bottom line - you can do this easily if you have a wifi-based power switch and an app. example

How can I become advanced in javascript in 2 months?

Description : How can I become advanced in javascript in 2 months?

Last Answer : Study hard…work hard!!!

Can you help fix this programming problem in Python?

Description : Can you help fix this programming problem in Python?

Last Answer : You can’t treat arrays of digits as a single number. The easiest way to read a numeric string is to use the sys library to read a line from the keyboard. import sys print(“Enter value for mass”) mass = sys.stdin.readline() mass = float(mass)

What's the best book for understanding Unity 2D?

Description : What's the best book for understanding Unity 2D?

Last Answer : Are you a beginner programmer in general, or just new to Unity? That would make a big difference in how I would respond.

Programmers: Is this puzzle a "named problem?" and can you help me with it?

Description : Programmers: Is this puzzle a "named problem?" and can you help me with it?

Last Answer : I'd call it enumerating a list of all combinations . There's a field of math called combinatorics which I did not study but I assume probably has a word for this. It doesn't seem like a puzzle ... each iteration, and tweak it to get the output format you want, but that's essentially it, I think.

How do you get the link posted and not the updated page?

Description : How do you get the link posted and not the updated page?

Last Answer : You don't have control over it. The URL that you referred to today is pointing to a page that is housed at a server somewhere else. It isn't under your control or Fluther's - it is under the control of ... a month or a year ago. Summary: it isn't under your control. You get the page they send you.

I'm looking for a IT Project Idea for my Final Year. Can anyone suggest something?

Description : I'm looking for a IT Project Idea for my Final Year. Can anyone suggest something?

Last Answer : How to maintain a question and answer site with trolls, spammers, and questions that violate the guidelines?

How can i improve my skill sets?

Description : How can i improve my skill sets?

Last Answer : You didn't say what you already know, but my main recommendation for something to learn is Python. It's a great learning language, it's free and easy to install, there are great ... and relatively easily. https://www.python.org/about/gettingstarted/ https://www.programiz.com/python-programming

What should I study in order to write/program a career search software?

Description : What should I study in order to write/program a career search software?

Last Answer : More programming. And logic. You need to understand how to develop a search for terms, and then also determine where to search, and then how to optimize search results in a relational database.

Is it on all smartphones you can't post a link?

Description : Is it on all smartphones you can't post a link?

Last Answer : I can’t cut and paste easily with a smart phone. I could type the link by hand. I would have to write it to a pen and paper first and it would work. If I really need too I could boot up my new chrome book and make a link.