Story Category: SQL

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ORM For Delphi

Muminjon Muminjon Object Relational Mapping is the idea of being able to write queries using the object-oriented paradigm in your preferred programming language. So this means we are trying to utilize our language to talk with the… – Details… 2 months ago in connection pooling, database, Delphi, delphi orm, embarcadero delphi, orm, orm for delphi, orm library, programming, seeds, SQL, streams, Transactions 0

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Learn How To Work With Powerful In Memory DataSets Using Local SQL In Delphi

Konstantin Tomov Konstantin Tomov The sample shows in a nice way how to use the TFDLocalSQL component to execute SQL commands on in-memory database, represented by several TFDMemTables. This sample uses a TFDConnection to connect to the SQLite in-memory database (with empty Database parameter value)…. – Details… 4 months ago in android, Code, database, dataset, Delphi, firedac, ios, linux, localsql, macos, object pascal, programming, RAD Studio, SQL, tfdmemtable, windows 0

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HeidiSQL Is A Lightweight Open Source Database Management Tool Built In Delphi

Embarcadero Embarcadero Developer Ansgar Becker created HeidiSQL as lightweight open source database management tool which supports MariaDB, MySQL, MS SQL, PostgreSQL and SQLite. It makes use of Delphi’s native VCL styles very effectively to provide a nice… – Details… 4 months ago in Delphi, heidisql, object pascal, Open Source, programming, Showcase, SQL 0

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Learn How To Use The Powerful In-Memory FireDAC Local SQL Engine In Delphi

Konstantin Tomov Konstantin Tomov The xDBMS sample shows you how use the TFDLocalSQL class to implement a cross-DBMS query application. To this end, each queryable dataset must be registered with the Local SQL engine using the DataSets collection property.Note: The Local SQL feature allows executing SQL commands, where… – Details… 4 months ago in android, Code, Delphi, firedac, ios, linux, macos, object pascal, programming, RAD Studio, SQL, SQLite, windows 0

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Learn How to Asynchronously Execute SQL In Delphi With FireDAC

Konstantin Tomov Konstantin Tomov The Async sample shows you how to use the IFDPhysCommand interface to configure the different asynchronous execution modes. To this end, the sample uses a group of four radio buttons. Each radio button sets the Options.ResourceOptions.CmdExecMode property of the IFDPhysCommand interface to one of… – Details… 4 months ago in Code, database, Delphi, firedac, IFDPhysCommand, object pascal, programming, RAD Studio, SQL, windows 0

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Easily Optimize Multiple SQL INSERT Commands In A Single Step With Array DML In Delphi

Konstantin Tomov Konstantin Tomov The Batch sample shows you how to use the Array DML execution technique to execute multiple SQL INSERT commands in a single step to optimize database population performance. To this end, the sample uses the IFDPhysCommand interface to set an array of values… – Details… 4 months ago in Array, Code, database, Delphi, firedac, insert, object pascal, optimize, programming, RAD Studio, SQL, windows 0

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Learn How To Use Range Types On A PostgreSQL Database In Windows Using FireDAC With Delphi

Konstantin Tomov Konstantin Tomov  FireDAC represents a range type column as a ftADT field with 3 subfields: lbound – lower range bound. hbound – upper range bound. flags – range flags. Note: Columns of range type are read-only. This sample updates them using SQL commands…. – Details… 5 months ago in Code, database, Delphi, firedac, object pascal, PostgreSql, programming, RAD Studio, ranges, SQL, windows 0

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HeidiSQL Is A Lightweight Open Source Database Management Tool Built In Delphi

Embarcadero Admin Embarcadero Admin Developer Ansgar Becker created HeidiSQL as lightweight open source database management tool which supports MariaDB, MySQL, MS SQL, PostgreSQL and SQLite. It makes use of Delphi’s native VCL styles very effectively to provide a nice…… – Details… 6 months ago in database, Delphi, object pascal, programming, Showcase, SQL 0

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FireDAC can do DBMS back-end conditional SQL via Conditional Substitution

jpluimers jpluimers Though the field-types mentioned in the problem and solution are equal (so either is wrong), the solution in [WayBack] I have a little problem with FireDAC and the TStringField and TWideStringField design time generation… – Juan… – Details… 8 months ago in Database Development, Delphi, Development, Firebird, InterBase, Software Development, SQL, SQL Server 0

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In SQL Server use `SET NOCOUNT ON` so tools taking the last modified record count won’t be confused by your trigger.

jpluimers jpluimers Interesting read: Time eating bug of the day… – Fabian S. Biehn – Google+. TL;DR: in SQL Server use SET NOCOUNT ON so tools taking the last modified record count won’t be confused by your trigger…. – Details… 1 year ago in Database Development, Delphi, Development, Office VBA, Scripting, Software Development, SQL, SQL Server 0