11-16-2014
Convert MS Access Queries to AIX SQL
Unix Team,
I'm a recent college graduate entering in the " real world" and boy let me tell you it can quite challenging. I just got a job with a large fortune 50 company lets just say that my expectations and tasks have expanded since I first got hired. Last week I got assigned a pretty big task and I could use some help.
I have a fairly large access database and I need to convert the SQL queries to AIX SQL. All information is pulling from AIX but ms access makes the information look nice and pretty and has an easy interface. The problem is latency. Because the database is so large, the queries take a while to run.
I guess this is my fault because in school I learned that MS access has and gives a SQL view and I had an intro to linux/unix and I simply just made a suggestion to convert the queries to AIX. 3 weeks later I get this seemingly overwhelming task to convert this database to AIX. I have about 326 queries that I need to convert.
Is there a tool or an easy way to do this or do I need to do each on by hand?
Do you have any information or links that I could benefit from on how to convert MS access SQl to AIX SQL?
Some queries are simple and only involve 2 or 3 tables while others are very complex.
Please let me know where I can start?
I really really appreciate everyone's help.
Techstudent01
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LEARN ABOUT PHP
mysql_unbuffered_query
MYSQL_UNBUFFERED_QUERY(3) 1 MYSQL_UNBUFFERED_QUERY(3)
mysql_unbuffered_query - Send an SQL query to MySQL without fetching and buffering the result rows.
SYNOPSIS
Warning
This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should
be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include:
oSee: Buffered and Unbuffered queries
resource mysql_unbuffered_query (string $query, [resource $link_identifier = NULL])
DESCRIPTION
mysql_unbuffered_query(3) sends the SQL query $query to MySQL without automatically fetching and buffering the result rows as
mysql_query(3) does. This saves a considerable amount of memory with SQL queries that produce large result sets, and you can start working
on the result set immediately after the first row has been retrieved as you don't have to wait until the complete SQL query has been per-
formed. To use mysql_unbuffered_query(3) while multiple database connections are open, you must specify the optional parameter $link_iden-
tifier to identify which connection you want to use.
o $query
- The SQL query to execute. Data inside the query should be properly escaped.
o $
link_identifier -The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect(3) is
assumed. If no such link is found, it will try to create one as if mysql_connect(3) was called with no arguments. If no connection
is found or established, an E_WARNING level error is generated.
For SELECT, SHOW, DESCRIBE or EXPLAIN statements, mysql_unbuffered_query(3) returns a resource on success, or FALSE on error.
For other type of SQL statements, UPDATE, DELETE, DROP, etc, mysql_unbuffered_query(3) returns TRUE on success or FALSE on error.
Note
The benefits of mysql_unbuffered_query(3) come at a cost: you cannot use mysql_num_rows(3) and mysql_data_seek(3) on a result set
returned from mysql_unbuffered_query(3), until all rows are fetched. You also have to fetch all result rows from an unbuffered SQL
query before you can send a new SQL query to MySQL, using the same $link_identifier.
mysql_query(3).
PHP Documentation Group MYSQL_UNBUFFERED_QUERY(3)