Posts Tagged ‘ Table ’

How to Work with MySQL – Basic Tasks

2017/09/16
By
Modified: 2017/09/10
How to Work with MySQL – Basic Tasks

This material is tested with MySQL 5.1 and 5.5 on various Windows versions. This article covers these topics: -010- MySQL Data Location -020- Shortcut to MySQL Command Shell -030- Create a New Database -035- Delete an Existing Database -040- Display a List of All DB Users -050- Display a List of All Tables -060- List All Fields in a Table -070- Free ODBC Connector is Available -080- Create a New User -085- Change User Password -090- Delete a User -100- Grant User Rights to a D/B and Show It -110- Save Database into a Dump File -120- Restore Database From a Dump File -130- Rename Database -140- Backup Database -150- Automate…

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Update Field Based on a Field in Another Table

2017/06/02
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Modified: 2017/04/30

This article contains 3 examples: - T-SQL; – MS Access; – AS/400.   This example shows a standard T-SQL syntax tested on MS SQL 2005 server: update P set P.CertMemberLevelID = Z.CertLevelTo from   UPM_MemberPermissionMask P INNER JOIN zzzCertRegistryUpdate Z ON P.MemberID = Z. Cert2ID Here we are updating one filed CertMemberLevelID in table UPM_MemberPermissionMask based on field Cert2ID in table zzzCertRegistryUpdate. This next example was generated using MS Access 2007 syntax: UPDATE CRPDTA_F1201 INNER JOIN CatCode7 ON CRPDTA_F1201.FANUMB = CatCode7.XXNUMB SET CRPDTA_F1201.FAFA7 = [CatCode7].[XXFA7] A field FAFA7 in CRPDTA_F1201 is being updated. Table  CatCode7 contains 2 fields: – ID Link field XXNUMB and – Update values field XXFA7 SQL statement JOINs two…

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How to Get SQL Table Field Structure?

2017/05/15
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Modified: 2017/04/30
SQL-2008-R2

Sometimes you need to display or print a SQL table structure. This article provides a SQL statement that allows you to do that. We are using MS SQL 2008 Studio interface.

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Work with MySQL – Basic WordPress Queries

2017/04/24
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Modified: 2017/04/30

This article was born, as I was searching for ways to handle thousands of registered WordPress users, who never do anything, never return to the site, and never even change their default password.               Table of Topics -1030- List all registered users sorted by date -1060- Group registered users by email domain name -1090- Users who ever posted articles -1120- List of registered users who ever posted comments -1150- List of users, who posted messages in your bbPress Forum -1180- Group users by year and month of registration -1210- Count users in different roles -1240-  Users who never changed their default password -1270-  Users who changed their default password -1300-…

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