Category Archives: SQL Server Learning

CHAR Datatype and ConCat in Oracle and SQL Server.

Posted on April 3, 2018 by

Char is a Fixed length data type, provided by database to stored Character Data. It will allocate fix bytes as per length specified for CHAR datatype and will pad with Space for remaining chunks. With Variable declare as CHAR(20), Byte … Continue reading →

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SQL SERVER# : Get last possible time for a DAY.

Posted on June 2, 2017 by

During one of SQL requirement, was trying to form Range of Years for executing a DML in small batches as per YEAR. But due to missing last possible end time, we were not able to manipulate some records. For instance … Continue reading →

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FIXED length character storage and NULL in SQL Server.

Posted on May 31, 2017 by

Most of us must be aware of CHAR datatype and its fixed length storage pattern. If we declare CHAR(32) and store only 4 bytes character ‘ABCD’, It will pads up remaining bytes (28 bytes). Ultimately, whole bytes is consume for … Continue reading →

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SQL Server : Value Constructor Insight.

Posted on April 13, 2017 by

We all must be aware of VALUE Clause for Inserting values specified, in current blob we will explore different ways other then Insert were we can have use VALUE as handy.! 1. Generating Dummy Data! we can use Value to … Continue reading →

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SQL Server : ExecuteNonQuery shows incorrect rows affected.

Posted on April 6, 2017 by

For one of client as per functionality we were invoking a SQL Server procedure using ExecuteNonQuery method. Within procedure we had a DML statement performing update and on rows affected as return from ExecuteNonQuery performing further functional stuff. In one … Continue reading →

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SQL Server : Get Numeric part from a varchar/string.

Posted on April 6, 2017 by

Found question to fetch only numeric information from a string/varchar in some of blogs, so thought let try and share my attempt. Implement logic: 1. Using Recursive With clause, segregated each and every character as separate row. 2. Using Regex … Continue reading →

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Date Generator in SQL Server using Recursive With Clause.

Posted on April 5, 2017 by

During one of performance analysis, identified lofty insert statements populating static tables with Date information. As part of one of functionality, we were generating dates and applying necessary function on it within date range specified. As part of performance improvement, … Continue reading →

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#SQLSERVERLearning : Order By Learning.

Posted on March 3, 2017 by

Most of folks feel , both(Oracle-SQLServer) are traditional RDBMS database and should or need to work some what “SIMILAR”. But, But when we actually start working on core with queries, development and tuning.We identified a lot of difference between any … Continue reading →

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#SQLSERVERLearning : String Padding in Sql Server (LPAD/RPAD)

Posted on January 6, 2017 by

All my blogs with #SQLSERVERLearning is intended to cover all stuff identified as difference between Oracle and SQL Server. Hopefully it might be helpful for Oracle guy also working in SQL Server world. All finding or Observations with SQL Server … Continue reading →

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#SQLSERVERLearning : Export Table data as Insert statement in SQL Server.

Posted on January 5, 2017 by

All my blogs with #SQLSERVERLearning is intended to cover all stuff identified as difference between Oracle and SQL Server. Hopefully it might be helpful for Oracle guy also working in SQL Server world. All finding or Observations with SQL Server … Continue reading →

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