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A query plan (or query execution plan) is a sequence of steps used to access data in a SQL relational database management system. This is a specific case of the relational model concept of access plans. Since SQL is declarative, there are typically many
Microsoft SQL Server Management Studio (SSMS) is a software application developed by Microsoft that is used for configuring, managing, and administering all components within Microsoft SQL Server. First launched with Microsoft SQL Server 2005, it is the successor to the Enterprise Manager in SQL 2000 or before. The tool includes both script ...
Microsoft Visual Studio Express 2008 SP1 can create, modify, and query CE 3.5 SP1 database files. SQL Server Management Studio cannot read CE 4.0 files. Visual Studio 2010 SP1 can handle CE 4.0 database files. [citation needed] The .sdf ("Sqlce Database File") naming convention is optional, and any extension can be used. [citation needed]
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
Windows Internal Database (codenamed WYukon, sometimes referred to as SQL Server Embedded Edition) is a variant of SQL Server Express 2005–2014 that is included with Windows Server 2008 (SQL 2005), Windows Server 2008 R2 (SQL 2005), Windows Server 2012 (SQL 2012), Windows Server 2012 R2 (SQL 2012), Windows Server 2016, Windows Server 2019 and Windows Server 2022 (SQL 2014) [1] and is ...
In database management systems (DBMS), a prepared statement, parameterized statement, (not to be confused with parameterized query) is a feature where the database pre-compiles SQL code and stores the results, separating it from data. Benefits of prepared statements are: [1]
Title Authors ----- ----- SQL Examples and Guide 4 The Joy of SQL 1 An Introduction to SQL 2 Pitfalls of SQL 1 Under the precondition that isbn is the only common column name of the two tables and that a column named title only exists in the Book table, one could re-write the query above in the following form:
An alias is a feature of SQL that is supported by most, if not all, relational database management systems (RDBMSs). Aliases provide users with the ability to reduce the amount of code required for a query, and to make queries simpler to understand. In addition, aliasing is required when doing self joins (i.e. joining a table with itself.)