Numerical sequence generation for automatic key creation

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3
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1answer
89 views

How to check with SQL whether a column is an identity column for an Access database?

Knowing how to check whether a column is an identity column for Microsoft SQL Server, I currently still found no solution for doing the same with SQL for a Microsoft Access database. My question: ...
0
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1answer
18 views

mysql autoincrement counter

I need a way to keep auto-increment counter between mysql service restart. As docs states by default after restart mysql autoincrement counter start from max(id)+1. How can I keep the last ...
0
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1answer
38 views

Proper usage of last_insert_id() in PHP procedure

I have a problem with performing sql query from php script. The query in sql looks like this: INSERT INTO `table1` VALUES (NULL, 'Blah', 'blah', 'blah', 'blah'); SET @lastID = LAST_INSERT_ID(); ...
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vote
0answers
42 views

Randomizing the Auto Increment in Mysql

We have a database, where we insert data into table whenever we receive an order from our services. We use auto_increment to generate the ID and assign the order with the same. This is usually same ...
0
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0answers
5 views

How to diagnose MariaDB crash when changing InnoDB column to AUTO_INCREMENT?

I have this table, and I'm trying to change the first column to AUTO_INCREMENT: +------------+---------------------+------+-----+---------+-------+ | Field | Type | Null | Key | ...
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0answers
15 views

MySQL on Server side PRIMARY KEY taking automatically random Id

I have problem in my database which i have uploaded in Database Version libmysql 5.1.73 In that i got problem like one PRIMARY_KEY field incrementing random values. inserted id's like 1, 2, 35, 67, ...
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0answers
45 views

Auto increment holes in primary key - any issues?

I have an application that is creating large holes in the auto incremented primary surrogate key to the table as it uses lots of INSERT ... ON DUPLICATE KEY UPDATE queries. I'm looking into changing ...
0
votes
0answers
182 views

Converting UUID's from CHAR(32) to BIN(16)

I have a few questions relating to UUID's, but before I go on, let me explain our schema a bit, first, we're on MySQL 5.5 (Percona's version to be exact)... In each applicable table, we use a two ...
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0answers
59 views

Autoincrement by 2

I use MariaDB 5.5. It increases every auto_increment value by 2. So all my ai cols look like 1 3 5 7 9 ... Where can I change this behaviour? Or might this be a bug?