Recent questions tagged primary

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primary key - Identifying Sybase tables, fields, keys, constraints

I'm trying to set up a Sybase query that will give me the following output: Table KeyType KeyNumber Column ... how they interlink. Thanks Karl See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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primary key - Mysql - how to set auto-increment to start from zero

I just want my mysql table id(primary key) to start from 0.. As I have seen, I used ALTER TABLE ... also emptied my table with truncate option See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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primary key - DynamoDB: When to use what PK type?

I am trying to read up on best practices on DynamoDB. I saw that DynamoDB has two PK types: Hash Key ... directly address this question. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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primary key - SQL Server "pseudo/synthetic" composite Id(key)

Sorry but I don't know how to call in the Title what I need. I want to create an unique key where ... number each X digits by my definition. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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primary key - make an ID in a mysql table auto_increment (after the fact)

I acquired a database from another developer. He didn't use auto_incrementers on any tables. They all ... ' to '.DBNAMEdealer_master_events' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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primary key - MySQL: #1075 - Incorrect table definition; autoincrement vs another key?

Here is a table in MySQL 5.3.X+ db: CREATE TABLE members` ( `id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT, ... (although the disk space is not)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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