Category: Count number of tables in database oracle

Count number of tables in database oracle

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You can not post a blank message. Please type your message and try again. This discussion is archived. There are number of tables. I need to find out the tables with records more than say or so at on go. Can it be possible If so kindly let me know. Edited by: user on Oct 21, AM. This content has been marked as final. Show 22 replies.

If it's urgent, call Oracle and request assistence. See: Record count of entire database regarding the record count Are table statistics present for your tables? Edited by: hoek on Oct 21, PM.

I woiuldn't. I can't imagine why one would make that assumption since they are two entirely different databases. Had that been enabled, it would show some records, is it not.

Well, I get your point for further enabling it has to be done on my computer. What is 'IT'? If so, then please post an example. And please post the full, unedited error message. Also: you can edit your own posts, and remove terminology you regret like the 'U-word'. DB-version: My db version is 9i. Hi, You tables are counted in order by name.

Number of tables by the number of rows in Oracle database

Regards Peter.Count number of tables in database mysql. After creating a database table, if we want to know number of rows in a table then we can get it very easily by using the simple database query.

InnoDB permits up to 4 billion tables. Despite that you may need to review this faster - for example after huge data import or another event. Content reproduced on this site is the property of the respective copyright holders. It's quiet Are you looking for simple way, how to get count of distinct values for each column in a table on MS-SQL database? There is a simple script with solution to help you. However, seems like a fairly small number. IF you are to use PHP to query the record count, use the below code.

Count User-Defined Tables. Curious as to where all that data was hiding I whipped up a quick SQL query that calculates the total number of rows per table in a single database. I recently asked this question in the interview and user answered me that I can find this by looping over every single table in a cursor. MySQL has no limit on the number of databases.

Create an object of Connection class and connect to the database. The table or tables appear in a window in the upper section of the query designer.

It is a simple method to find out and echo rows count value.

count number of tables in database oracle

This can take more time as every row must be examined for the presense of NULL. Easily use this query to generate SQL statement for you with distinct count for each value in a table.

This reference contains string, numeric, date, and some advanced functions in MySQL.

count number of tables in database oracle

We can also count the number of records that meet certain criteria. Selecting Particular Records Aggregate functions.Will return the number of tables not including system tables in the database you are currently attached to. If you need a list of all tables you can query that table to OR and even better you can use exec sys.

That procedure will result in a small sorted list of all the tables, after that there will be a list with all the views. I am using subreports in main report.

Two subreports are not displaying data. When I execute them separately, I am getting data. When I place in main report, I am not able to get. Can anyone help on this? I assume this is mis posted if you can let us know what the reports are written in we may be able to guide you to the right forum. I don't think this one works, I just tested and got back 6 on a test server that has AdventureWorks on it which should yield a couple dozen or so, plus master plus a couple of test DBs no idea how many tables so I was expecting at least 50 to and got 6.

Have I may be misunderstood the question? Tech Sign In Page. Forgot Password? Don't have an account? Sign up. September 05, AM.

Something went wrong on our end. Please try again later. Hope this helps. Tables CZS. What do I do to the query to see only the user created tables? September 06, AM. Sumit Sahay. November 26, AM. In a server or database? November 28, AM. September 27, AM. Where have the last 8 years gone since this question was firsted asked! I think SK may be in a time warp! Alun Davies. You can use the following query for objects counts. I think this will help You. September 27, PM. November 15, AM.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I am growing the number of tables I have and I am sometimes curious just to do a quick command line query to count the number of tables in my database.

TSQL: How To Get All Table Names In A Database

Is that possible? If so, what is the query? Learn more. Asked 9 years, 1 month ago. Active 2 years, 4 months ago. Viewed k times. Genadinik Genadinik Active Oldest Votes. Ajay 4, 4 4 gold badges 27 27 silver badges 45 45 bronze badges. Joseadrian Joseadrian 3, 2 2 gold badges 13 13 silver badges 7 7 bronze badges. I only got it working when I used only the subquery. Gaia Sorry, I forgot that Database was a reserved word. So, I surrounded the word with Double Quotes.

Scott Elblein Nov 20 '13 at SE post : dba. Why the subquery in the FROM clause? Mukund Mukund 1, 13 13 silver badges 19 19 bronze badges. This should be the answer since does not include views! Rohit Dubey Rohit Dubey 11 11 silver badges 12 12 bronze badges. This is exactly what is in the accepted answer added 5 years ago. Arun Kasyakar Arun Kasyakar 6 6 silver badges 9 9 bronze badges. This is pretty self-explanatory for those that are familiar with this query, but for those that are not, a bit of explanation would be a great accompaniment with this answer.

This seems to be just a repeat of this existing answer. For the record: Remember the total elementos includes Tables and Views as Database objects. There may be multiple ways to count the tables of a database. Prasad Khode 5, 9 9 gold badges 34 34 silver badges 49 49 bronze badges.This question is Latest Followup You Asked hi tom i have a databse with tables.

Well, if you are doing things correctly, you are using the cost based optimizer and statistics are generally up to date. Reviews October 19, - am UTC. You can also catch regular content via Connor's blog and Chris's blog.

How to Count Number of Tables in a Database

Or if video is more your thing, check out Connor's latest video and Chris's latest video from their Youtube channels. And of course, keep up to date with AskTOM via the official twitter account. Questions Finding the number of rows in each table by a single sql. Question and Answer. Latest Followup. You Asked hi tom i have a databse with tables.

Hi Tom, Love your column. Just one comment. You may have to perform table 'analyze' operation against all tables. Hi Tom, I'm one of your fans and keep collecting your replies. While printing the questions, everything prints fine, but your Followup answers are truncated from the right, so I need to take a pen and complete the missed info.

Could you please make it printable on A4. Thanking you. What am I doing wrong. More to Explore. Dev Gym Classes, workouts and quizzes on Oracle Database technologies. Expertise through exercise!Register and Participate in Oracle's online communities. Learn from thousand of experts, get answers to your questions and share knowledge with peers. Error: You don't have JavaScript enabled. This tool uses JavaScript and much of it will not work correctly without it enabled. Please turn JavaScript back on and reload this page.

Welcome to Oracle Communities. Please enter a title. You can not post a blank message. Please type your message and try again. This discussion is archived. Hi All, Can someone let me know the rowcount of all the tables in all the schemas in Oracle Database. Thanks Maverick. I have the same question Show 0 Likes 0. This content has been marked as final. Show 7 replies. Maverick wrote: Hi All, Can someone let me know the rowcount of all the tables in all the schemas in Oracle Database.

What you are going to do with this information? Where you are planning to use it? Maverick, what purpose does the row count serve? There are several ways to get a quick estimate and below is a link to an article on how to get the exact row count but a table with a million 30 bytes rows will not consume as much space as a tab le with onlysix hundred byte rows so there may or may not be better choices for what you need.

Finding the number of rows in each table by a single sql

Is there a simple way to produce a report of all tables in the database with current number of rows? This will yeild you the rowcounts of each of schemas.

This will ascertain that you will get the latest row counts. But you will have to wait for a long time if the number of tables and the records in each tables are huge. I would rather suggest to have a quick snack meanwhile.

Are you comparing the schemas with the row count? If yes, then it is a wrong metric for comparison. Go to original post.Register and Participate in Oracle's online communities. Learn from thousand of experts, get answers to your questions and share knowledge with peers. Error: You don't have JavaScript enabled. This tool uses JavaScript and much of it will not work correctly without it enabled. Please turn JavaScript back on and reload this page. Welcome to Oracle Communities.

Please enter a title. You can not post a blank message. Please type your message and try again. This discussion is archived.

count number of tables in database oracle

Please let me know?? I have the same question Show 0 Likes 0. This content has been marked as final. Show 23 replies. Otherwise you need to construct SQL to query all your tables.

A XML solution. This question comes up often in this forum. And once i saw this answer. And i thought its really cool so just saved it in my Google Note Book.

I want sql query only. This one is not mine.


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