LENGTH_SHORT).show(); break; case R.id.btn_update: ContentValues values2 = new ContentValues(); values2.put("name", "嘻嘻~"); //参数依次是表名,修改后的值,where条件,以及约束,如果不指定三四两个参数,会更改所有行 db.update("person", values2, "name = ?", new String[]{"呵呵~2"})...
如果length 长度大于character_expression1 中 start_ position 以右的长度,则character_expression1 只保留首字符。 六、数据类型转换函数 1、CAST() CAST (<expression> AS <data_ type>[ length ]) 2、CONVERT() CONVERT (<data_ type>[ length ], <expression> [, style]) 1)data_type为SQL Server系统...
line One value per line( 一行一个值) list Values delimited by separator string(值用 string 分隔) tabs Tab-separated values(以 tab 分隔的值) tcl TCL list elements(TCL 列表元素) .nullvalue STRING Print STRING in place of NULL values(以 STRING 代替 NULL 值的输出) .output FILENAME Send out...
int nByte, /* Maximum length of zSql inbytes.(如果nByte小于0,则函数取出zSql中从开始到第一个0终止符的内容;如果nByte为非负数,那么它就是这个函数能从zSql中读取的最大字节数。zSql在第一次遇见/000或u000的时候终止) */ sqlite3_stmt*ppStmt, /OUT:Statement handle(能够使用sqlite3_step()执行...
String appendIdentitySelectToInsert(String insertString) { return new StringBuffer(insertString.length()+30). // As specified in NHibernate dialect append(insertString). append("; ").append(getIdentitySelectString()). toString(); } */ @Override public String getIdentitySelectString(String table,...
string.IsNullOrEmpty(pk)) { createTable += $"CONSTRAINT \"PK_{name}\" PRIMARY KEY (\"" + pk + "\")"; } else { createTable = createTable.Substring(0, createTable.Length - 1); } createTable += ");"; AddLog("创建表:"
全面支持NSArray,NSDictionary,ModelClass,NSNumber,NSString,NSDate,NSData,UIColor,UIImage,CGRect,CGPoint,CGSize,NSRange,int,char,float,double,long.. 等属性的自动化操作(插入和查询) Requirements iOS 12.0+ ARC only FMDB(https://github.com/ccgus/fmdb) ...
SQLITE_APIintsqlite3_prepare_v2(sqlite3 *db,/* Database handle */constchar*zSql,/* SQL statement, UTF-8 encoded */intnByte,/* Maximum length of zSql in bytes. */sqlite3_stmt **ppStmt,/* OUT: Statement handle */constchar**pzTail/* OUT: Pointer to unused portion of zSql */)...
stringValue.EndsWith(value)@stringValue LIKE '%' || @value stringValue.FirstOrDefault()substr(@stringValue, 1, 1) stringValue.IndexOf(value)instr(@stringValue, @value) - 1 stringValue.LastOrDefault()substr(@stringValue, length(@stringValue), 1) ...
(@"cities.sqlite", out db) == SQLiteNative.SQLITE_OK) { // Prepare a simple DDL "CREATE TABLE" statement string query = "CREATE TABLE City " + "(name TEXT, state TEXT, population INTEGER)"; IntPtr stmHandle; if (SQLiteNative.sqlite3_prepare_v2(db, query, query.Length, ...