How mu开发者_如何学运维ch I can rely on GUID in .Net ? My SA told me that we will use GUID as primary keys in all tables.
I have a table where the primary key is set to VARCHAR(14). When I ge开发者_运维知识库t a high volume of visitors, the server\'s I/O rate goes crazy and when using iotop I can see the mysql is the pr
I am reading a book called \"MySQL developer\'s library\" by Paul DuBois and in the book he says: CREATE TABLE score
Is possible to have two tables with the same incrementing sequence? I was trying to do a tree with ID, NAME, ParentID and i have to join two tables.
I\'m beginning to work with Oracle and I\'ve learn that in Oracle 9 statistics aren\'t collected for an index unless you use COMPUTE STATISTICS, but you can\'t use that option when defining a primary
What I am doing: (wp_posts has ID as primary key and it auto-increase) mysql_query(\"INSERT INTO wp_posts (post_content, post_开发者_Python百科title) VALUES (\'$addEP\', \'$title\')\");
I\'ve got a two classes that look like this: @PersistenceCapable(detachable=\"true\") @Inheritance(strategy=InheritanceStrategy.SUBCLASS_TABLE)
I am in the process of re-writing an MS Access database to SQL server and have found an strange issue开发者_高级运维 in Access that I am hoping someone can help with.
I have this: ID1 INTEGER 开发者_JAVA百科PRI ID2 INTEGER PRI NAME VARCHAR now I need to: ID1_REF INTEGER REFERENCE TO ID1
I\'m working on designing a system of tables that will let me create a small planner of sorts. The planner itself is an HTML table that draws on two different MySQL tables.
加载中,请稍侯......