Commit f04c4fd4 authored by arjen@fred.bitbike.com's avatar arjen@fred.bitbike.com
Browse files

Add a few common synonyms to aid searching: 

DROP: delete, ALTER: change, column: field.
parent f922064d

Docs/manual.texi

+22 −0
Original line number Diff line number Diff line
@@ -35664,6 +35664,8 @@ You can also create databases with @code{mysqladmin}. 
@subsection @code{DROP DATABASE} Syntax









@findex DROP DATABASE









@cindex deleting, database









@cindex database, deleting

















@example









DROP DATABASE [IF EXISTS] db_name








@@ -36241,6 +36243,8 @@ using @code{myisampack}. @xref{Compressed format}.







@subsection @code{ALTER TABLE} Syntax

















@findex ALTER TABLE









@cindex changing, table









@cindex table, changing

















@example









ALTER [IGNORE] TABLE tbl_name alter_spec [, alter_spec ...]








@@ -36382,6 +36386,10 @@ From MySQL Version 4.0.1, you can also use the @code{FIRST} and







@code{AFTER} keywords in @code{CHANGE} or @code{MODIFY}.

















@findex ALTER COLUMN









@cindex changing, column









@cindex column, changing









@cindex changing, field









@cindex field, changing









@item









@code{ALTER COLUMN} specifies a new default value for a column









or removes the old default value.








@@ -36391,6 +36399,8 @@ assigns a default value, as described in







@ref{CREATE TABLE, , @code{CREATE TABLE}}.

















@findex DROP INDEX









@cindex deleting, index









@cindex index, deleting









@item









@code{DROP INDEX} removes an index. This is a MySQL extension to









ANSI SQL92. @xref{DROP INDEX}.








@@ -36405,6 +36415,8 @@ If a table contains only one column, the column cannot be dropped.







If what you intend is to remove the table, use @code{DROP TABLE} instead.

















@findex DROP PRIMARY KEY









@cindex deleting, primary key









@cindex primary key, deleting









@item









@code{DROP PRIMARY KEY} drops the primary index. If no such









index exists, it drops the first @code{UNIQUE} index in the table.








@@ -36429,6 +36441,8 @@ option after big changes to the table, you may be able to get higher







performance.

















@findex ALTER TABLE









@cindex changing, table









@cindex table, changing









@item









If you use @code{ALTER TABLE} on a @code{MyISAM} table, all non-unique









indexes are created in a separate batch (like in @code{REPAIR}).








@@ -36573,6 +36587,8 @@ to the original state.







@subsection @code{DROP TABLE} Syntax

















@findex DROP TABLE









@cindex deleting, table









@cindex table, deleting

















@example









DROP TABLE [IF EXISTS] tbl_name [, tbl_name,...] [RESTRICT | CASCADE]








@@ -36654,6 +36670,8 @@ are available in MySQL Version 3.23.23 and later.







@subsection @code{DROP INDEX} Syntax

















@findex DROP INDEX









@cindex deleting, index









@cindex index, deleting

















@example









DROP INDEX index_name ON tbl_name








@@ -45987,6 +46005,8 @@ native functions such as @code{ABS()} or @code{SOUNDEX()}.















@findex CREATE FUNCTION









@findex DROP FUNCTION









@cindex deleting, function









@cindex function, deleting









@findex UDF functions









@findex User-defined functions









@findex Functions, user-defined








@@ -48649,6 +48669,8 @@ mysql> SELECT i, SUM(d1) AS a, SUM(d2) AS b FROM t1







@appendixsubsec Problems with @code{ALTER TABLE}.

















@tindex ALTER TABLE









@cindex changing, table









@cindex table, changing

















@code{ALTER TABLE} changes a table to the current character set.









If you during @code{ALTER TABLE} get a duplicate key error, then the cause