sqlite3 create table index
... the name of a previously created table that is to be indexed, and a parenthesized list of table column names and/or expressions that are used for the index key ... ,An error is still returned if the table cannot be created because of an existing index, even if the "IF NOT EXISTS" clause is specified. It is not an error to create a ... ,SQLite - Indexes - Indexes are special lookup tables that the database search engine can use to ... Indexes can be created or dropped with no effect on the data. ,In this tutorial, you will learn how to create a new table using SQLite CREATE TABLE statement with various options such as WITHOUT ROWID. ,SQLite UNIQUE index example. Let's create a new table named contacts for demonstration. CREATE TABLE contacts ( first_name ... ,索引有助於加快SELECT查詢和WHERE子句，但它會減慢數據的輸入，UPDATE和INSERT語句。索引可以創建或刪除，但數據不會影響。 創建索引涉及CREATE ... ,使用CREATE INDEX 语句创建索引，它允许命名索引，指定表及要索引的一列或多列，并指示索引是升序排列还是降序排列。 索引也可以是唯一的，与UNIQUE 约束 ... ,Introduction to the SQLite expression-based index. When you create an index, you often use one or more columns in a table. Besides the normal indexes, SQLite ... , You can't do precisely what you're asking, but unlike some RDBMSs, SQLite is able to perform DDL inside of a transaction, with the appropriate ...
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 sqlite3 create table index 相關參考資料
create index - SQLite
... the name of a previously created table that is to be indexed, and a parenthesized list of table column names and/or expressions that are used for the index key ... https://www.sqlite.org create table - SQLite
An error is still returned if the table cannot be created because of an existing index, even if the "IF NOT EXISTS" clause is specified. It is not an error to create a ... https://sqlite.org SQLite - Indexes - Tutorialspoint
SQLite - Indexes - Indexes are special lookup tables that the database search engine can use to ... Indexes can be created or dropped with no effect on the data. https://www.tutorialspoint.com SQLite Create Table with Examples - SQLite Tutorial
In this tutorial, you will learn how to create a new table using SQLite CREATE TABLE statement with various options such as WITHOUT ROWID. https://www.sqlitetutorial.net SQLite Index: An Essential Guide to SQLite Indexes
SQLite UNIQUE index example. Let's create a new table named contacts for demonstration. CREATE TABLE contacts ( first_name ... https://www.sqlitetutorial.net SQLite 索引- SQLite教學 - 極客書
索引有助於加快SELECT查詢和WHERE子句，但它會減慢數據的輸入，UPDATE和INSERT語句。索引可以創建或刪除，但數據不會影響。 創建索引涉及CREATE ... http://tw.gitbook.net SQLite 索引| 菜鸟教程
使用CREATE INDEX 语句创建索引，它允许命名索引，指定表及要索引的一列或多列，并指示索引是升序排列还是降序排列。 索引也可以是唯一的，与UNIQUE 约束 ... https://www.runoob.com Using SQLite Expression Based Index To Imporve Query ...
Introduction to the SQLite expression-based index. When you create an index, you often use one or more columns in a table. Besides the normal indexes, SQLite ... https://www.sqlitetutorial.net Using SQLite how do I index columns in a CREATE TABLE ...
You can't do precisely what you're asking, but unlike some RDBMSs, SQLite is able to perform DDL inside of a transaction, with the appropriate ... https://stackoverflow.com |