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SQL

PL/SQL
  SQL
Transact-sql
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Working with the IIF Statement in T-SQL
by Hannes du Preez
Language: SQL, Expertise: Beginner - See how to quickly check for certain conditions.
Using fn_builtin_permissions
by Hannes Du Preez
Language: SQL, Expertise: Intermediate - Learn more about an SQL function that allows you to get a list of available permissions.
Resize Your TempDB in SQL
by Hannes du Preez
Language: SQL, Expertise: Intermediate - Learn how to resize the tempdb temporary database in SQL.
Get Current Language ID
by Hannes du Preez
Language: SQL, Expertise: Beginner - See which select statement to use to get the language ID.
Write SQL Results to a Text file
by Hannes du Preez
Diagnose System Slowdowns
by Hannes du Preez
Language: SQL, Expertise: Intermediate - Learn how to quickly diagnose System slowdowns.
Identify Tables Storing GUID Values
by Hannes Du Preez
Language: SQL, Expertise: Intermediate - Learn how to identify tables that store a GUID (Globally Unique Identifier) value.
Using sys.dm_db_missing_index_group_stats
by Hannes du Preez
Language: SQL, Expertise: Intermediate - See how to return summary information about groups of missing indexes, excluding spatial indexes.
Read All SQL Server Log Files
by Hannes du Preez
Language: SQL, Expertise: Intermediate - Learn a script that allows you to read through all SQL Server Log files.
Using the DATALENGTH SQL Function
by Hannes Du Preez
Language: SQL, Expertise: Intermediate - Learn how to use a SQL function to return the length of a column in a table.
Employing DBCC PINTABLE and DBCC UNPINTABLE Functions
by Hannes du Preez
Language: SQL, Expertise: Advanced - See how to ensure a table always stays available in SQL Server's cache. You can Pin the table and Unpin it when it is not needed anymore.
Compress and Decompress SQL Functions
by Hannes Du Preez
Language: SQL, Expertise: Intermediate - Learn how to compress and decompress data in SQL.
Preventing SQL from Running on a Testing SQL Server
by Hannes Du Preez
Language: SQL, Expertise: Intermediate - See the two ways to prevent your SQL code from running on a testing or production server.
Creating an HTML Table with SQL
by Hannes du Preez
Language: SQL, Expertise: Intermediate - Learn how to produce HTML tables with this SQL example code.
Introducing the APPROX_COUNT_DISTINCT SQL Function
by Hannes du Preez
Language: SQL, Expertise: Intermediate - Learn how to return the approximate number of unique non-null values in a group.
Auto Start the SQL Server Agent Service
by Hannes du Preez
Language: SQL, Expertise: Intermediate - Learn how to ensure that your SQL Server Agent always restarts when the SQL Server restarts.
Using ENUM in MySQL Columns
by Sridhar M S
Language: SQL, Expertise: Intermediate - See how ENUMs are very powerful definitions and how they help attain data validation when the values are pre-defined.
Reverse Strings in SQL
by Hannes Du Preez
Language: SQL, Expertise: Intermediate - Learn learn more about a SQL query with which you can reverse strings.
Employ This SQL Stored Procedure to Rename a Column
by Hannes du Preez
Language: SQL, Expertise: Intermediate - See how to use sp_rename to rename a column in a table.
Generating Random Numbers in SQL
by Hannes Du Preez
Language: SQL, Expertise: Intermediate - Learn how to easily generate a random number.
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